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An optical fiber spool for laser stabilization with reduced acceleration sensitivity to 10-12/g

NASA Astrophysics Data System (ADS)

Hu, Yong-Qi; Dong, Jing; Huang, Jun-Chao; Li, Tang; Liu, Liang

2015-10-01

Environmental vibration causes mechanical deformation in optical fibers, which induces excess frequency noise in fiber-stabilized lasers. In order to solve such a problem, we propose an ultralow acceleration sensitivity fiber spool with symmetrically mounted structure. By numerical analysis with the finite element method, we obtain the optimal geometry parameters of the spool with which the horizontal and vertical acceleration sensitivity can be reduced to 3.25 × 10-12/g and 5.38 × 10-12/g respectively. Moreover, the structure features the insensitivity to the variation of geometry parameters, which will minimize the influence from numerical simulation error and manufacture tolerance. Project supported by the National Natural Science Foundation of China (Grant Nos. 11034008 and 11274324) and the Key Research Program of the Chinese Academy of Sciences (Grant No. KJZD-EW-W02).

Facts and Statistics

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2011-03-01

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2010-10-12

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Impact of compressibility and a guide field on Fermi acceleration during magnetic island coalescence

NASA Astrophysics Data System (ADS)

Montag, Peter; Egedal, Jan; Lichko, Emily; Wetherton, Blake

2017-10-01

Previous work has shown that Fermi acceleration can be an effective heating mechanism during magnetic island coalescence, where electrons may undergo repeated reflections as the magnetic field lines contract. This energization has the potential to account for the power-law distributions of particle energy inferred from observations of solar flares. Here, we develop a generalized framework for the analysis of Fermi acceleration that can incorporate the effects of compressibility and non-uniformity along field lines, which have commonly been neglected in previous treatments of the problem. Applying this framework to the simplified case of the uniform flux tube allows us to find both the power-law scaling of the distribution function and the rate at which the power-law behavior develops. We find that a guide magnetic field of order unity effectively suppresses the development of power-law distributions. The work was supported by NASA Grant No. NNX14AC68G, NSF GEM Grant No. 1405166, NSF Award 1404166, and NASA Award NNX15AJ73G.

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2013-03-18

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Generation of high quality electron beams via ionization injection in a plasma wakefield accelerator

NASA Astrophysics Data System (ADS)

Vafaei-Najafabadi, Navid; Joshi, Chan; E217 SLAC Collaboration

2016-10-01

Ionization injection in a beam driven plasma wakefield accelerator has been used to generate electron beams with over 30 GeV of energy in a 130 cm of lithium plasma. The experiments were performed using the 3 nC, 20.35 GeV electron beam at the FACET facility of the SLAC National Accelerator Laboratory as the driver of the wakefield. The ionization of helium atoms in the up ramp of a lithium plasma were injected into the wake and over the length of acceleration maintained an emittance on the order of 30 mm-mrad, which was an order of magnitude smaller than the drive beam, albeit with an energy spread of 10-20%. The process of ionization injection occurs due to an increase in the electric field of the drive beam as it pinches through its betatron oscillations. Thus, this energy spread is attributed to the injection region encompassing multiple betatron oscillations. In this poster, we will present evidence through OSIRIS simulations of producing an injected beam with percent level energy spread and low emittance by designing the plasma parameters appropriately, such that the ionization injection occurs over a very limited distance of one betatron cycle. Work at UCLA was supported by the NSF Grant Number PHY-1415386 and DOE Grant Number DE-SC0010064. Work at SLAC was supported by DOE contract number DE-AC02-76SF00515. Simulations used the Hoffman cluster at UCLA.

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2010-04-16

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Evolution of the “Drivers” of Translational Cancer Epidemiology: Analysis of Funded Grants and the Literature

PubMed Central

Lam, Tram Kim; Chang, Christine Q.; Rogers, Scott D.; Khoury, Muin J.; Schully, Sheri D.

2015-01-01

Concurrently with a workshop sponsored by the National Cancer Institute, we identified key “drivers” for accelerating cancer epidemiology across the translational research continuum in the 21st century: emerging technologies, a multilevel approach, knowledge integration, and team science. To map the evolution of these “drivers” and translational phases (T0–T4) in the past decade, we analyzed cancer epidemiology grants funded by the National Cancer Institute and published literature for 2000, 2005, and 2010. For each year, we evaluated the aims of all new/competing grants and abstracts of randomly selected PubMed articles. Compared with grants based on a single institution, consortium-based grants were more likely to incorporate contemporary technologies (P = 0.012), engage in multilevel analyses (P = 0.010), and incorporate elements of knowledge integration (P = 0.036). Approximately 74% of analyzed grants and publications involved discovery (T0) or characterization (T1) research, suggesting a need for more translational (T2–T4) research. Our evaluation indicated limited research in 1) a multilevel approach that incorporates molecular, individual, social, and environmental determinants and 2) knowledge integration that evaluates the robustness of scientific evidence. Cancer epidemiology is at the cusp of a paradigm shift, and the field will need to accelerate the pace of translating scientific discoveries in order to impart population health benefits. While multi-institutional and technology-driven collaboration is happening, concerted efforts to incorporate other key elements are warranted for the discipline to meet future challenges. PMID:25767265

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2010-03-22

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Experimental, Theoretical and Computational Studies of Plasma-Based Concepts for Future High Energy Accelerators

DOE Office of Scientific and Technical Information (OSTI.GOV)

Joshi, Chan; Mori, W.

2013-10-21

This is the final report on the DOE grant number DE-FG02-92ER40727 titled, “Experimental, Theoretical and Computational Studies of Plasma-Based Concepts for Future High Energy Accelerators.” During this grant period the UCLA program on Advanced Plasma Based Accelerators, headed by Professor C. Joshi has made many key scientific advances and trained a generation of students, many of whom have stayed in this research field and even started research programs of their own. In this final report however, we will focus on the last three years of the grant and report on the scientific progress made in each of the four tasksmore » listed under this grant. Four tasks are focused on: Plasma Wakefield Accelerator Research at FACET, SLAC National Accelerator Laboratory, In House Research at UCLA’s Neptune and 20 TW Laser Laboratories, Laser-Wakefield Acceleration (LWFA) in Self Guided Regime: Experiments at the Callisto Laser at LLNL, and Theory and Simulations. Major scientific results have been obtained in each of the four tasks described in this report. These have led to publications in the prestigious scientific journals, graduation and continued training of high quality Ph.D. level students and have kept the U.S. at the forefront of plasma-based accelerators research field.« less

Particle-in-cell simulations on graphic processing units

NASA Astrophysics Data System (ADS)

Ren, C.; Zhou, X.; Li, J.; Huang, M. C.; Zhao, Y.

2014-10-01

We will show our recent progress in using GPU's to accelerate the PIC code OSIRIS [Fonseca et al. LNCS 2331, 342 (2002)]. The OISRIS parallel structure is retained and the computation-intensive kernels are shipped to GPU's. Algorithms for the kernels are adapted for the GPU, including high-order charge-conserving current deposition schemes with few branching and parallel particle sorting [Kong et al., JCP 230, 1676 (2011)]. These algorithms make efficient use of the GPU shared memory. This work was supported by U.S. Department of Energy under Grant No. DE-FC02-04ER54789 and by NSF under Grant No. PHY-1314734.

GPU Accelerated DG-FDF Large Eddy Simulator

NASA Astrophysics Data System (ADS)

Inkarbekov, Medet; Aitzhan, Aidyn; Sammak, Shervin; Givi, Peyman; Kaltayev, Aidarkhan

2017-11-01

A GPU accelerated simulator is developed and implemented for large eddy simulation (LES) of turbulent flows. The filtered density function (FDF) is utilized for modeling of the subgrid scale quantities. The filtered transport equations are solved via a discontinuous Galerkin (DG) and the FDF is simulated via particle based Lagrangian Monte-Carlo (MC) method. It is demonstrated that the GPUs simulations are of the order of 100 times faster than the CPU-based calculations. This brings LES of turbulent flows to a new level, facilitating efficient simulation of more complex problems. The work at Al-Faraby Kazakh National University is sponsored by MoES of RK under Grant 3298/GF-4.

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2013-02-28

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The United States Particle Accelerator School: Educating the Next Generation of Accelerator Scientists and Engineers

NASA Astrophysics Data System (ADS)

Barletta, William A.

2009-03-01

Only a handful of universities in the US offer any formal training in accelerator science. The United States Particle Accelerator School (USPAS) is National Graduate Educational Program that has developed a highly successful educational paradigm that, over the past twenty-years, has granted more university credit in accelerator/beam science and technology than any university in the world. Sessions are held twice annually, hosted by major US research universities that approve course credit, certify the USPAS faculty, and grant course credit. The USPAS paradigm is readily extensible to other rapidly developing, cross-disciplinary research areas such as high energy density physics.

Pressure fluctuation caused by moderate acceleration

NASA Astrophysics Data System (ADS)

Tagawa, Yoshiyuki; Kurihara, Chihiro; Kiyama, Akihito

2017-11-01

Pressure fluctuation caused by acceleration of a liquid column is observed in various important technologies, e.g. water-hammer in a pipeline. The magnitude of fluctuation can be estimated by two different approaches: When the duration time of acceleration is much shorter than the propagation time for a pressure wave to travel the length of the liquid column, e.g. sudden valve closure for a long pipe, Joukowsky equation is applied. In contrast, if the acceleration duration is much longer, the liquid is modeled as a rigid column, ignoring compressibility of the fluid. However, many of practical cases exist between these two extremes. In this study we propose a model describing pressure fluctuation when the duration of acceleration is in the same order of the propagation time for a pressure wave, i.e. under moderate acceleration. The novel model considers both temporal and spatial evolutions of pressure propagation as well as gradual pressure rise during the acceleration. We conduct experiments in which we impose acceleration to a liquid with varying the length of the liquid column, acceleration duration, and properties of liquids. The ratio between the acceleration duration and the propagation time is in the range of 0.02 - 2. The model agrees well with measurement results. JSPS KAKENHI Grant Numbers 26709007 and 17H01246.

Search for strongly coupled Chameleon scalar field with neutron interferometry

NASA Astrophysics Data System (ADS)

Li, K.; Arif, M.; Cory, D.; Haun, R.; Heacock, B.; Huber, M.; Nsofini, J.; Pushin, D. A.; Saggu, P.; Sarenac, D.; Shahi, C.; Skavysh, V.; Snow, M.; Young, A.

2015-04-01

The dark energy proposed to explain the observed accelerated expansion of the universe is not understood. A chameleon scalar field proposed as a dark energy candidate can explain the accelerated expansion and evade all current gravity experimental bounds. It features an effective range of the chameleon scalar field that depends on the local mass density. Hence a perfect crystal neutron interferometer, that measures relative phase shift between two paths, is a prefect tool to search for the chameleon field. We are preparing a two-chamber helium gas cell for the neutron interferometer. We can lower the pressure in one cell so low that the chameleon field range expands into the cell and causes a measurable neutron phase shift while keeping the pressure difference constant. We expect to set a new upper limit of the Chameleon field by at least one order of magnitude. This work is supported by NSF Grant 1205977, DOE Grant DE-FG02-97ER41042, Canadian Excellence Research Chairs program, Natural Sciences and Engineering Research Council of Canada and Collaborative Research and Training Experience Program

Achieving Stable Radiation Pressure Acceleration of Heavy Ions via Successive Electron Replenishment from Ionization of a High-Z Material Coating

NASA Astrophysics Data System (ADS)

Qiao, Bin; Shen, X. F.; Zhang, H.; Kar, S.; Zhou, C. T.; Chang, H. X.; Borghesi, M.; He, X. T.

2017-10-01

Among various laser-driven acceleration schemes, radiation pressure acceleration (RPA) is regarded as one of the most promising schemes to obtain high-quality ion beams. Although RPA is very attractive in principle, it is difficult to be achieved experimentally. One of the most important reasons is the dramatic growth of the multi-dimensional Rayleigh-Taylor-like (RT) instabilities. In this talk, we report a novel method to achieve stable RPA of ions from laser-irradiated ultrathin foils, where a high-Z material coating in front is used. The coated high-Z material, acting as a moving electron repository, continuously replenishes the accelerating ion foil with comoving electrons in the light-sail acceleration stage due to its successive ionization under laser fields with Gaussian temporal profile. As a result, the detrimental effects such as electron loss induced by the RT and other instabilities are significantly offset and suppressed so that stable acceleration of ions are maintained. Supported by the NSAF, Grant No. U1630246; the NNSF China Grants No. 11575298; and the National Key Program of S&T Research and Development, Grant No. 2016YFA0401100.

The hydrodynamics of linear accelerations in bluegill sunfish, Lepomis macrochirus

NASA Astrophysics Data System (ADS)

Wise, Tyler; Boden, Alex; Schwalbe, Margot; Tytell, Eric

2015-11-01

As fish swim, their body interacts with the fluid around them in order to generate thrust. In this study, we examined the hydrodynamics of linear acceleration by bluegill sunfish, Lepomis macrochirus, which swims using a carangiform mode. Carangiform swimmers primarily use their caudal fin and posterior body for propulsion, which is different from anguilliform swimmers, like eels, that undulate almost their whole body to swim. Most previous studies have examined steady swimming, but few have looked at linear accelerations, even though most fish do not often swim steadily. During steady swimming, thrust and drag forces are balanced, which makes it difficult to separate the two, but during acceleration, thrust exceeds drag, making it easier to measure; this may reveal insights into how thrust is produced. This study used particle image velocimetry (PIV) to compare the structure of the wake during steady swimming and acceleration and to estimate the axial force. Axial force increased during acceleration, but the orientation of the vortices did not differ between steady swimming and acceleration, which is different than anguilliform swimmers, whose wakes change structure during acceleration. This difference may point to fundamental differences between the two swimming modes. This material is based upon work supported by the U. S. Army Research Office under grant number W911NF-14-1-0494.

77 FR 50730 - Self-Regulatory Organizations; The Depository Trust Company; Notice of Filing of Amendment No. 1...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-08-22

...The Securities and Exchange Commission published a document in the Federal Register of August 10, 2012, concerning a Notice of Filing of Amendment No. 1 and Order Granting Accelerated Approval of a Proposed Rule Change, as Modified by Amendment No. 1, to Implement a Change in the Practices of The Depository Trust Company as They Relate to Post-payable Adjustments; The request for comment information was inadvertently omitted from the document.

Do the EMA accelerated assessment procedure and the FDA priority review ensure a therapeutic added value? 2006-2015: a cohort study.

PubMed

Boucaud-Maitre, Denis; Altman, Jean-Jacques

2016-10-01

The Food and Drug Administration (FDA) and the European Medicines Agency (EMA) have both implemented procedures in order to shorten review time for marketing authorizations with potential therapeutic added value, called priority review and accelerated assessment procedure, respectively. The aim of this study is to compare the new molecular entities (NME) assessed in shorter review time by both agencies and to investigate whether granting a shorter review time status subsequently predicts its therapeutic value attributed by a health technology assessment agency, the French Haute Autorité de Santé (HAS). All NME approved by the EMA and the FDA with a therapeutic added value between 2007 and June 30, 2015 were extracted. We assessed the sensibility, the positive predictive value, and the EMA review time. One hundred seventy-eight NME were approved by the FDA and the EMA and a therapeutic value was available for 160 NME. Eighty-eight (55.0 %) NME were on FDA priority review, 24 (15.0 %) on EMA accelerated procedure and 43 (26.9 %) were considered of high clinical added value. The sensibility was 86.0 % for the FDA and 30.2 % for the EMA. The positive predictive value was, respectively, 42.0 and 54.2 %. Twenty-five NME on FDA priority review and of high therapeutic added value were not on EMA accelerated assessment procedure, leading to a supplementary mean EMA review time of 146 days. The EMA was restrictive to grant a shorten review time status for products with therapeutic interest during the study period.

High-performance modeling of plasma-based acceleration and laser-plasma interactions

NASA Astrophysics Data System (ADS)

Vay, Jean-Luc; Blaclard, Guillaume; Godfrey, Brendan; Kirchen, Manuel; Lee, Patrick; Lehe, Remi; Lobet, Mathieu; Vincenti, Henri

2016-10-01

Large-scale numerical simulations are essential to the design of plasma-based accelerators and laser-plasma interations for ultra-high intensity (UHI) physics. The electromagnetic Particle-In-Cell (PIC) approach is the method of choice for self-consistent simulations, as it is based on first principles, and captures all kinetic effects, and also scale favorably to many cores on supercomputers. The standard PIC algorithm relies on second-order finite-difference discretization of the Maxwell and Newton-Lorentz equations. We present here novel formulations, based on very high-order pseudo-spectral Maxwell solvers, which enable near-total elimination of the numerical Cherenkov instability and increased accuracy over the standard PIC method for standard laboratory frame and Lorentz boosted frame simulations. We also present the latest implementations in the PIC modules Warp-PICSAR and FBPIC on the Intel Xeon Phi and GPU architectures. Examples of applications will be given on the simulation of laser-plasma accelerators and high-harmonic generation with plasma mirrors. Work supported by US-DOE Contracts DE-AC02-05CH11231 and by the European Commission through the Marie Slowdoska-Curie fellowship PICSSAR Grant Number 624543. Used resources of NERSC.

Visual-vestibular interaction

NASA Technical Reports Server (NTRS)

Young, Laurence R.; Merfeld, D.

1994-01-01

Significant progress was achieved during the period of this grant on a number of different fronts. A list of publications, abstracts, and theses supported by this grant is provided at the end of this document. The completed studies focused on three general areas: eye movements induced by dynamic linear acceleration, eye movements and vection reports induced by visual roll stimulation, and the separation of gravito-inertial force into central estimates of gravity and linear acceleration.

Anderson Acceleration for Fixed-Point Iterations

DOE Office of Scientific and Technical Information (OSTI.GOV)

Walker, Homer F.

The purpose of this grant was to support research on acceleration methods for fixed-point iterations, with applications to computational frameworks and simulation problems that are of interest to DOE.

Test of the Equivalence Principle in an Einstein Elevator

NASA Technical Reports Server (NTRS)

Shapiro, Irwin I.; Glashow, S.; Lorenzini, E. C.; Cosmo, M. L.; Cheimets, P. N.; Finkelstein, N.; Schneps, M.

2004-01-01

The scientific goal of the experiment is to test the equality of gravitational and inertial mass (i.e., to test the Principle of Equivalence) by measuring the independence of the rate of fall of bodies from their compositions. The measurement is accomplished by measuring the relative displacement (or equivalently acceleration) of two falling bodies of different materials which are the proof masses of a differential accelerometer spinning about an horizontal axis to modulate a possible violation signal. A non-zero differential acceleration appearing at the signal frequency will indicate a violation of the Equivalence Principle. The goal of the experiment is to measure the Eotvos ratio og/g (differential acceleration/common acceleration) with a targeted accuracy that is about two orders of magnitude better than the state of the art (presently at several parts in 10(exp 13). The analyses carried out during this first grant year have focused on: (1) evaluation of possible shapes for the proof masses to meet the requirements on the higher-order mass moment disturbances generated by the falling capsule; (2) dynamics of the instrument package and differential acceleration measurement in the presence of errors and imperfections; (3) computation of the inertia characteristic of the instrument package that enable a separation of the signal from the dynamics-related noise; (4) a revised thermal analysis of the instrument package in light of the new conceptual design of the cryostat; (5) the development of a dynamic and control model of the capsule attached to the gondola and balloon to define the requirements for the leveling mechanism (6) a conceptual design of the leveling mechanism that keeps the capsule aligned before release from the balloon; and (7) a new conceptual design of the customized cryostat and a preliminary valuation of its cost. The project also involves an international cooperation with the Institute of Space Physics (IFSI) in Rome, Italy. The group at IFSI is in charge of prototyping the differential accelerometer and carrying out precursor laboratory measurements. During this grant year, our partners analyzed and then designed a new prototype of differential accelerometer that has several characteristics in common with the flight accelerometer at this point of the instrument development. The highlights of these activities are documented in a section of this report.

Investigation of Accelerated Methods for the Determination of Available Alkali in Pozzolans

DTIC Science & Technology

1974-02-01

181 p PC$9.50/MFS3.O0 Guidelines for Documentation of Computer Pro - Evaluation of Home Solar Heating System grams and Automated Data Systems UCL5...GrANT NO. 90, ORIGINATOR S REPORT NUMVIEEISI .PROJECT NO. Miscellaneous Pdper C-74-1 C. S. OTHER REPORT NOISP (AIr .dborms"M .0# Gmo Meol o SOl reo") tO...specification limit of 1.5 percent wifll not be exceeded when the pozzolan is evaluated by the present Standard Con - dition, 28 days at 38 C. In order to

Effects of Three Typical Resistivity Models on Pulsed Inductive Plasma Acceleration Modeling

NASA Astrophysics Data System (ADS)

Sun, Xin-Feng; Jia, Yan-Hui; Zhang, Tian-Ping; Wu, Chen-Chen; Wen, Xiao-Dong; Guo, Ning; Jin, Hai; Ke, Yu-Jun; Guo, Wei-Long

2017-12-01

Not Available Supported by the Fund of Science and Technology on Vacuum Technology and Physics Laboratory of Lanzhou Institute of Physics under Grant No YSC0715, the National Natural Science Foundation of China under Grant No 62601210, and the Civil Aerospace Technology Research Project under Grant No D010509.

$13.5M Moore Grant to Develop Working ‘Accelerator on a Chip’ Prototype

ScienceCinema

None

2018-06-21

An international team of researchers has begun a 5-year effort to build a working particle accelerator the size of a shoebox based on an innovative technology known as “accelerator on a chip.”

Electron Acceleration by Beating of Two Intense Cross-Focused Hollow Gaussian Laser Beams in Plasma

NASA Astrophysics Data System (ADS)

Mahmoud, Saleh T.; Gauniyal, Rakhi; Ahmad, Nafis; Rawat, Priyanka; Purohit, Gunjan

2018-01-01

This paper presents propagation of two cross-focused intense hollow Gaussian laser beams (HGBs) in collisionless plasma and its effect on the generation of electron plasma wave (EPW) and electron acceleration process, when relativistic and ponderomotive nonlinearities are simultaneously operative. Nonlinear differential equations have been set up for beamwidth of laser beams, power of generated EPW, and energy gain by electrons using WKB and paraxial approximations. Numerical simulations have been carried out to investigate the effect of typical laser-plasma parameters on the focusing of laser beams in plasmas and further its effect on power of excited EPW and acceleration of electrons. It is observed that focusing of two laser beams in plasma increases for higher order of hollow Gaussian beams, which significantly enhanced the power of generated EPW and energy gain. The amplitude of EPW and energy gain by electrons is found to enhance with an increase in the intensity of laser beams and plasma density. This study will be useful to plasma beat wave accelerator and in other applications requiring multiple laser beams. Supported by United Arab Emirates University for Financial under Grant No. UPAR (2014)-31S164

77 FR 53912 - Agency Information Collection Activities; Submission for OMB Review; Comment Request; H-1B...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-09-04

... for OMB Review; Comment Request; H-1B Technical Skills Training Grants and H-1B Jobs and Innovation..., ``H-1B Technical Skills Training Grants and H-1B Jobs and Innovation Accelerator Challenge Grants,'' to the Office of Management and Budget (OMB) for review and approval for use in accordance with the...

Understanding District-Charter Collaboration Grants. Final Report

ERIC Educational Resources Information Center

Tuttle, Christina; McCullough, Moira; Richman, Scott; Booker, Kevin; Burnett, Alyson; Keating, Betsy; Cavanaugh, Michael

2016-01-01

In November 2012, the Bill & Melinda Gates Foundation invested in seven innovative district-charter partnerships with "the potential capacity and commitment to accelerate student college ready rates through deep collaboration and sharing of best practices" (District-Charter Collaboration Grant Request for Proposal [RFP]). These…

Characteristics of Preapproval and Postapproval Studies for Drugs Granted Accelerated Approval by the US Food and Drug Administration

PubMed Central

Smalley, Katelyn R.; Kesselheim, Aaron S.

2017-01-01

Importance Drugs treating serious or life-threatening conditions can receive US Food and Drug Administration (FDA) accelerated approval based on showing an effect in surrogate measures that are only reasonably likely to predict clinical benefit. Confirmatory trials are then required to determine whether these effects translate to clinical improvements. Objective To characterize preapproval and confirmatory clinical trials of drugs granted accelerated approval. Design and Setting Publicly available FDA documents were reviewed to identify the preapproval trials leading to accelerated approval between 2009 and 2013. Information on the status and findings of required confirmatory studies was extracted from the FDA’s database of postmarketing requirements and commitments, ClinicalTrials.gov, and matched peer-reviewed publications. Follow-up ended on April 7, 2017. Exposures Granting of accelerated approval. Main Outcomes and Measures Characteristics of preapproval and confirmatory studies were compared in terms of study design features (randomization, blinding, comparator, primary end point). Subsequent regulatory decisions and estimated time between accelerated approval and fulfillment of regulatory requirements were summarized. Results The FDA granted accelerated approval to 22 drugs for 24 indications (19 for indications involving cancer treatment) between 2009 and 2013. A total of 30 preapproval studies supported the 24 indications. The median number of participants enrolled in the preapproval studies was 132 (interquartile range, 89-224). Eight studies (27%) included fewer than 100 participants and 20 (67%) included fewer than 200. At a minimum 3 years of follow-up, 19 of 38 (50%) required confirmatory studies were completed, including 18 published reports. Twenty-five of the 38 (66%) examined clinical efficacy, 7 (18%) evaluated longer follow-up, and 6 (16%) focused on safety The proportion of studies with randomized designs did not differ before and after accelerated approval (12/30 [40%] vs 10/18 [56%]; difference, 16%; 95% CI, −15% to 46%; P = .31). Postapproval requirements were completed and demonstrated efficacy in 10 of 24 indications (42%) on the basis of trials that evaluated surrogate measures. Among the 14 of 24 indications (58%) that had not yet completed all requirements, at least 1 of the confirmatory studies failed to demonstrate clinical benefit in 2 (8%), were terminated in 2 (8%), and were delayed by more than 1 year in 3 (13%). Studies were progressing according to target timelines for the remaining 7 indications (29%). Clinical benefit had not yet been confirmed for 8 indications that had been initially approved 5 or more years prior. Conclusions and Relevance Among 22 drugs with 24 indications granted accelerated approval by the FDA in 2009-2013, efficacy was often confirmed in postapproval trials a minimum of 3 years after approval, although confirmatory trials and preapproval trials had similar design elements, including reliance on surrogate measures as outcomes. PMID:28810023

Accelerated Schools Centers: How To Address Challenges to Institutionalization and Growth.

ERIC Educational Resources Information Center

Meza, James, Jr.

The Accelerated Schools Project (ASP) at the University of New Orleans (UNO) was established in spring 1990, funded by a 3-year grant from Chevron. Beginning with 1 pilot school in 1991, the UNO Accelerated Schools Center has expanded to 36 schools representing 19 school districts in Louisiana and 3 schools from the Memphis City Schools district.…

Generation, and applications of stable, 100-500-MeV, dark-current-free beams, from a laser-wakefield accelerator

NASA Astrophysics Data System (ADS)

Banerjee, Sudeep

2011-10-01

This talk will report the production of high energy, quasi-monoenergetic electron bunches without the low-energy electron background that is typically detected from self-injected laser-wakefield accelerators. These electron bunches are produced when the accelerator is operated in the blowout regime, and the laser and plasma parameters are optimized. High-contrast, high power (30-60 TW) and ultra-short-duration (30 fs) laser pulses are focused onto He-gas-jet targets. The high energy (300-400 MeV) monoenergetic (energy spread < 10%) beams are characterized by 1-4-mrad divergence, pointing stability of 1-2 mrad, and a few-percent shot-to-shot fluctuation of peak energy. The results are scalable: the beam energy can be tuned by appropriate choice of acceleration length, laser power and plasma density. Three-dimensional particle-in-cell simulations show that these electron beams are generated when the accelerator is operated near the self-injection threshold, which suppresses dark current (continuous injection in the first bucket). Suppression of dark current is required to minimize noise, improve the quality of secondary radiation sources, and minimize shielding requirements for high repetition-rate operation. Also reported, is the application of this novel electron-beam source to radiography of dense objects with sub-millimeter spatial resolution. In this case, the energetic electron beam is incident on a 2''-thick steel target with embedded voids, which are detected with image plates. Current progress on the generation of GeV energy electron beams with petawatt peak power laser pulses, from the upgraded DIOCLES laser system, will also be discussed. Work supported by U. S. DOE grants DEFG02-05ER15663, DE-FG02-08ER55000; DARPA grant FA9550-09-1-0009; DTRA grant HDTRA1-11-C-0001 and, DHS grant 2007-DN-007-ER0007-02. The laser is supported by AFOSR contracts FA 9550-08-1-0232, FA9550-07-1-0521.

District-Charter Collaboration Grant Implementation: Findings from Teacher and Principal Surveys. Summary Brief

ERIC Educational Resources Information Center

Richman, Scott; Burnett, Alyson; Dillon, Erin; Goble, Lisbeth; McCullough, Moira; Tuttle, Christina Clark

2016-01-01

In November 2012, the Bill & Melinda Gates Foundation invested in seven innovative district-charter partnerships with "the potential capacity and commitment to accelerate student college ready rates through deep collaboration and sharing of best practices" (District-Charter Collaboration Grant Request for Proposal). These…

District-Charter Collaboration Grant Implementation: Final Findings from Interviews and Site Visits. Interim Report

ERIC Educational Resources Information Center

McCullough, Moira; Keating, Betsy; Heinkel, Luke

2016-01-01

In November 2012, the Bill & Melinda Gates Foundation invested in seven innovative district-charter partnerships with "the potential capacity and commitment to accelerate student college ready rates through deep collaboration and sharing of best practices" (District-Charter Collaboration Grant Request for Proposal). These…

Beyond Need and Merit: Strengthening State Grant Programs

ERIC Educational Resources Information Center

Jacobs, Christine, Ed.; Whitfield, Sarah, Ed.

2012-01-01

Recent increases in tuition levels, accelerated by declining state funding to institutions, have combined with stagnant or falling household incomes to make it more difficult for many college students to finance postsecondary education. In this environment, state grant programs are more important than ever. These funds have the potential to make…

Magneto Rayleigh-Taylor, Sausage, and Kink Instability Experiments on a MegaAmpere Linear Transformer Driver

NASA Astrophysics Data System (ADS)

Yager-Elorriaga, D. A.; Steiner, A. M.; Patel, S. G.; Jordan, N. M.; Gilgenbach, R. M.; Lau, Y. Y.; Weis, M. R.; Zhang, P.

2015-11-01

At the Michigan Accelerator for Inductive Z-Pinch Experiments (MAIZE) facility, a 1-MA Linear Transformer Driver (LTD) is being used to deliver 500-600 kA to cylindrical liners in order to study the magneto Rayleigh-Taylor (MRT), sausage, and kink instabilities in imploding and exploding Al plasmas. The liners studied in this experiment had thicknesses of 400 nm to 30 μm, heights of 1-2 cm, and diameters of 1-6 mm. The plasmas were imaged using 4-time-frame, laser shadowgraphy and shearing-interferometry at 532 nm. For imploding liners, the measured acceleration was found to be less than predicted from the current pulse, indicating significant diffusion of the azimuthal magnetic field. A simple experimental configuration is presented for ``end-on'' laser probing in the r- θ plane in order to study the interior of the liner. Finally, the effects of axial magnetic fields are determined by modifying the return current posts and incorporating external coils. Experimental growth rates are determined and discussed. This work was supported by DOE award DE-SC0012328. S.G. Patel supported by Sandia National Labs. D.A. Yager was supported by NSF fellowship grant DGE 1256260.

Detection of the Acceleration Site in a Solar Flare

NASA Astrophysics Data System (ADS)

Fleishman, Gregory D.; Kontar, E. P.; Nita, G. M.; Gary, D. E.

2011-05-01

We report the observation of an unusual cold, tenuous solar flare (ApJL, v. 731, p. L19, 2011), which reveals itself via numerous and prominent non-thermal manifestations, while lacking any noticeable thermal emission signature. RHESSI hard X-rays and 0.1-18 GHz radio data from OVSA and Phoenix-2 show copious electron acceleration (1035 electrons per second above 10 keV) typical for GOES M-class flares with electrons energies up to 100 keV, but GOES temperatures not exceeding 6.1 MK. The HXR footpoints and coronal radio sources belong, supposedly, to a single magnetic loop, which departs strongly from the corresponding potential loop (obtained from a photospheric extrapolation) in agreement with the apparent need of a non-potential magnetic field structure to produce a flare. The imaging, temporal, and spectral characteristics of the flare have led us to a firm conclusion that the bulk of the microwave continuum emission from this flare was produced directly in the acceleration region. We found that the electron acceleration efficiency is very high in the flare, so almost all available thermal electrons are eventually accelerated. However, given a relatively small flaring volume and rather low thermal density at the flaring loop, the total energy release turned out to be insufficient for a significant heating of the coronal plasma or for a prominent chromospheric response giving rise to chromospheric evaporation. Some sort of stochastic acceleration process is needed to account for an approximately energy-independent lifetime of about 3 s for the electrons in the acceleration region. This work was supported in part by NSF grants AGS-0961867, AST-0908344, and NASA grants NNX10AF27G and NNX11AB49G to New Jersey Institute of Technology. This work was supported by a UK STFC rolling grant, STFC/PPARC Advanced Fellowship, and the Leverhulme Trust, UK. Financial support by the European Commission through the SOLAIRE and HESPE Networks is gratefully acknowledged.

Nonlinear water waves generated by impulsive motion of submerged obstacle

NASA Astrophysics Data System (ADS)

Makarenko, N.; Kostikov, V.

2012-04-01

The fully nonlinear problem on generation of unsteady water waves by impulsively moving obstacle is studied analytically. The method involves the reduction of basic Euler equations to the integral-differential system for the wave elevation together with normal and tangential fluid velocities at the free surface. Exact model equations are derived in explicit form when the isolated obstacle is presented by totally submerged circular- or elliptic cylinder. Small-time asymptotic solution is constructed for the cylinder which starts moving with constant acceleration from rest. It is demonstrated that the leading-order solution terms describe several wave regimes such as the formation of non-stationary splash jets by vertical rising or vertical submersion of the obstacle, as well as the generation of diverging waves by horizontal- and combined motion of the obstacle under free surface. This work was supported by RFBR (grant No 10-01-00447) and by Research Program of the Russian Government (grant No 11.G34.31.0035).

Enhancement of Electron Acceleration in Laser Wakefields by Random Fields

NASA Astrophysics Data System (ADS)

Tataronis, J. A.; Petržílka, V.

1999-11-01

There is increasing evidence that intense laser pulses can accelerate electrons to high energies. The energy appears to increase with the distance over which the electrons are accelerated. This is difficult to explain by electron trapping in a single wakefield wave.^1 We demonstrate that enhanced electron acceleration can arise in inhomogeneous laser wakefields through the effects of spontaneously excited random fields. This acceleration mechanism is analogous to fast electron production by random fields near rf antennae in fusion devices and helicon plasma sources.^2 Electron acceleration in a transverse laser wave due to random field effects was recently found.^3 In the present study we solve numerically the governing equations of an ensemble of test electrons in a longitudinal electric wakefield perturbed by random fields. [1pt] Supported by the Czech grant IGA A1043701 and the U.S. DOE under grant No. DE-FG02-97ER54398. [1pt] 1. A. Pukhov and J. Meyer-ter-Vehn, in Superstrong Fields in Plasmas, AIP Conf. Proc. 426, p. 93 (1997). 2. V. Petržílka, J. A. Tataronis, et al., in Proc. Varenna - Lausanne Fusion Theory Workshop, p. 95 (1998). 3. J. Meyer-ter-Vehn and Z. M. Sheng, Phys. Plasmas 6, 641 (1999).

Cosmic Ray Acceleration from Multiple Galactic Wind Shocks

NASA Astrophysics Data System (ADS)

Cotter, Cory; Bustard, Chad; Zweibel, Ellen

2018-01-01

Cosmic rays still have an unknown origin. Many mechanisms have been suggested for their acceleration including quasars, pulsars, magnetars, supernovae, supernova remnants, and galactic termination shocks. The source of acceleration may be a mixture of these and a different mixture in different energy regimes. Using numerical simulations, we investigate multiple shocks in galactic winds as potential cosmic rays sources. By having shocks closer to the parent galaxy, more particles may diffuse back to the disk instead of being blown out in the wind, as found in Bustard, Zweibel, and Cotter (2017, ApJ) and also Merten, Bustard, Zweibel, and Tjus (to be submitted to ApJ). Specifically, this flux of cosmic rays could contribute to the unexplained "shin" region between the well-known "knee" and "ankle" of the cosmic ray spectrum. We would like to acknowledge support from the National Science Foundation (NSF) Graduate Research Fellowship Program under grant No. DGE-125625 and NSF grant No. AST-1616037.

Test of the Equivalence Principle in an Einstein Elevator

NASA Technical Reports Server (NTRS)

Shapiro, Irwin I.; Glashow, S.; Lorenzini, E. C.; Cosmo, M. L.; Cheimets, P.; Finkelstein, N.; Schneps, M.

2004-01-01

The scientific goal of the experiment is to test the equality of gravitational and inertial mass (i.e., to test the Principle of Equivalence) by measuring the independence of the rate of fall of bodies from the composition of the falling body. The measurement is accomplished by measuring the relative displacement (or equivalently acceleration) of two falling bodies of different materials which are the proof masses of a differential accelerometer. The goal of the experiment is to measure the Eoetvoes ratio sigma g/g (differential acceleration/common acceleration) with an accuracy goal of several parts in 10(exp 15). The estimated accuracy is about two orders of magnitude better than the present state of the art. The main goal of the study to be carried out under this grant is part of the flight definition of the experiment and laboratory testing of key components. The project involves an international cooperation in which the responsibility of the US side is the flight definition of the experimental facility while the responsibility of the non-US partners is the flight definition and laboratory prototyping of the differential acceleration detector.In summary, the experiment to be designed is for taking differential acceleration measurements with a high-sensitivity detector (the sensor) during free fall conditions lasting up to 30 s in a disturbance-free acceleration environment. The experiment strategy consists in letting the sensor free fall inside a few meters long (in the vertical direction) evacuated capsule that is falling simultaneously in the rarefied atmosphere after release from a helium balloon flying at a stratospheric altitude.

Discrete and broadband electron acceleration in Jupiter's powerful aurora.

PubMed

Mauk, B H; Haggerty, D K; Paranicas, C; Clark, G; Kollmann, P; Rymer, A M; Bolton, S J; Levin, S M; Adriani, A; Allegrini, F; Bagenal, F; Bonfond, B; Connerney, J E P; Gladstone, G R; Kurth, W S; McComas, D J; Valek, P

2017-09-06

The most intense auroral emissions from Earth's polar regions, called discrete for their sharply defined spatial configurations, are generated by a process involving coherent acceleration of electrons by slowly evolving, powerful electric fields directed along the magnetic field lines that connect Earth's space environment to its polar regions. In contrast, Earth's less intense auroras are generally caused by wave scattering of magnetically trapped populations of hot electrons (in the case of diffuse aurora) or by the turbulent or stochastic downward acceleration of electrons along magnetic field lines by waves during transitory periods (in the case of broadband or Alfvénic aurora). Jupiter's relatively steady main aurora has a power density that is so much larger than Earth's that it has been taken for granted that it must be generated primarily by the discrete auroral process. However, preliminary in situ measurements of Jupiter's auroral regions yielded no evidence of such a process. Here we report observations of distinct, high-energy, downward, discrete electron acceleration in Jupiter's auroral polar regions. We also infer upward magnetic-field-aligned electric potentials of up to 400 kiloelectronvolts, an order of magnitude larger than the largest potentials observed at Earth. Despite the magnitude of these upward electric potentials and the expectations from observations at Earth, the downward energy flux from discrete acceleration is less at Jupiter than that caused by broadband or stochastic processes, with broadband and stochastic characteristics that are substantially different from those at Earth.

Experimental research on the feature of an x-ray Talbot-Lau interferometer versus tube accelerating voltage

NASA Astrophysics Data System (ADS)

Wang, Sheng-Hao; Margie, P. Olbinado; Atsushi, Momose; Hua-Jie, Han; Hu, Ren-Fang; Wang, Zhi-Li; Gao, Kun; Zhang, Kai; Zhu, Pei-Ping; Wu, Zi-Yu

2015-06-01

X-ray Talbot-Lau interferometer has been used most widely to perform x-ray phase-contrast imaging with a conventional low-brilliance x-ray source, and it yields high-sensitivity phase and dark-field images of samples producing low absorption contrast, thus bearing tremendous potential for future clinical diagnosis. In this work, by changing the accelerating voltage of the x-ray tube from 35 kV to 45 kV, x-ray phase-contrast imaging of a test sample is performed at each integer value of the accelerating voltage to investigate the characteristic of an x-ray Talbot-Lau interferometer (located in the Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Japan) versus tube voltage. Experimental results and data analysis show that within a range this x-ray Talbot-Lau interferometer is not sensitive to the accelerating voltage of the tube with a constant fringe visibility of ˜ 44%. This x-ray Talbot-Lau interferometer research demonstrates the feasibility of a new dual energy phase-contrast x-ray imaging strategy and the possibility to collect a refraction spectrum. Project supported by the Major State Basic Research Development Program of China (Grant No. 2012CB825800), the Science Fund for Creative Research Groups, China (Grant No. 11321503), the National Natural Science Foundation of China (Grant Nos. 11179004, 10979055, 11205189, and 11205157), and the Japan-Asia Youth Exchange Program in Science (SAKURA Exchange Program in Science) Administered by the Japan Science and Technology Agency.

Accelerating the commercialization of university technologies for military healthcare applications: the role of the proof of concept process

NASA Astrophysics Data System (ADS)

Ochoa, Rosibel; DeLong, Hal; Kenyon, Jessica; Wilson, Eli

2011-06-01

The von Liebig Center for Entrepreneurism and Technology Advancement at UC San Diego (vonliebig.ucsd.edu) is focused on accelerating technology transfer and commercialization through programs and education on entrepreneurism. Technology Acceleration Projects (TAPs) that offer pre-venture grants and extensive mentoring on technology commercialization are a key component of its model which has been developed over the past ten years with the support of a grant from the von Liebig Foundation. In 2010, the von Liebig Entrepreneurism Center partnered with the U.S. Army Telemedicine and Advanced Technology Research Center (TATRC), to develop a regional model of Technology Acceleration Program initially focused on military research to be deployed across the nation to increase awareness of military medical needs and to accelerate the commercialization of novel technologies to treat the patient. Participants to these challenges are multi-disciplinary teams of graduate students and faculty in engineering, medicine and business representing universities and research institutes in a region, selected via a competitive process, who receive commercialization assistance and funding grants to support translation of their research discoveries into products or services. To validate this model, a pilot program focused on commercialization of wireless healthcare technologies targeting campuses in Southern California has been conducted with the additional support of Qualcomm, Inc. Three projects representing three different universities in Southern California were selected out of forty five applications from ten different universities and research institutes. Over the next twelve months, these teams will conduct proof of concept studies, technology development and preliminary market research to determine the commercial feasibility of their technologies. This first regional program will help build the needed tools and processes to adapt and replicate this model across other regions in the Country.

Convergence of the Ponderomotive Guiding Center approximation in the LWFA

NASA Astrophysics Data System (ADS)

Silva, Thales; Vieira, Jorge; Helm, Anton; Fonseca, Ricardo; Silva, Luis

2017-10-01

Plasma accelerators arose as potential candidates for future accelerator technology in the last few decades because of its predicted compactness and low cost. One of the proposed designs for plasma accelerators is based on Laser Wakefield Acceleration (LWFA). However, simulations performed for such systems have to solve the laser wavelength which is orders of magnitude lower than the plasma wavelength. In this context, the Ponderomotive Guiding Center (PGC) algorithm for particle-in-cell (PIC) simulations is a potent tool. The laser is approximated by its envelope which leads to a speed-up of around 100 times because the laser wavelength is not solved. The plasma response is well understood, and comparison with the full PIC code show an excellent agreement. However, for LWFA, the convergence of the self-injected beam parameters, such as energy and charge, was not studied before and has vital importance for the use of the algorithm in predicting the beam parameters. Our goal is to do a thorough investigation of the stability and convergence of the algorithm in situations of experimental relevance for LWFA. To this end, we perform simulations using the PGC algorithm implemented in the PIC code OSIRIS. To verify the PGC predictions, we compare the results with full PIC simulations. This project has received funding from the European Union's Horizon 2020 research and innovation programme under Grant agreement No 653782.

A Data-Driven Solution for Performance Improvement

NASA Technical Reports Server (NTRS)

2002-01-01

Marketed as the "Software of the Future," Optimal Engineering Systems P.I. EXPERT(TM) technology offers statistical process control and optimization techniques that are critical to businesses looking to restructure or accelerate operations in order to gain a competitive edge. Kennedy Space Center granted Optimal Engineering Systems the funding and aid necessary to develop a prototype of the process monitoring and improvement software. Completion of this prototype demonstrated that it was possible to integrate traditional statistical quality assurance tools with robust optimization techniques in a user- friendly format that is visually compelling. Using an expert system knowledge base, the software allows the user to determine objectives, capture constraints and out-of-control processes, predict results, and compute optimal process settings.

(3+1)-dimensional localized self-accelerating Airy elegant Ince-Gaussian wave packets and their radiation forces in free space

NASA Astrophysics Data System (ADS)

Li, Dongdong; Peng, Xi; Peng, Yulian; Zhang, Liping; Chen, Xingyu; Zhuang, Jingli; Zhao, Fang; Yang, Xiangbo; Deng, Dongmei

2017-12-01

Not Available Project supported by the National Natural Science Foundation of China (Grant Nos. 11374108, 11374107, and 11775083), the Funds from CAS Key Laboratory of Geospace Environment, University of Science and Technology of China, and the Innovation Project of Graduate School of South China Normal University (Grant No. 2016lkxm64).

Characteristics of Teachers Nominated for an Accelerated Principal Preparation Program

ERIC Educational Resources Information Center

Rios, Steve J.; Reyes-Guerra, Daniel

2012-01-01

This article reports the initial evaluation results of a new accelerated, job-embedded principal preparation program funded by a Race to the Top Grant (U.S. Department of Education, 2012a) in Florida. Descriptive statistics, t-tests, and chi-square analyses were used to describe the characteristics of a group of potential applicants nominated to…

Navigating Uncharted Waters: An Accelerated Content-Based English for Academic Purposes Program

ERIC Educational Resources Information Center

Hernandez, Kelly; Thomas, Michelle; Schuemann, Cynthia

2012-01-01

In 2008, Miami Dade College received a $1.9 million Title V grant from the US Department of Education to develop an Accelerated Content-Based English for Academic Purposes (EAP) track called Project ACE for ESL students. The ACE curriculum is anchored by the principles of flexibility, contextualization, and faculty buy-in--critical matters given…

Accelerating Opportunity: A Portrait of Students and Their Program Experiences from the 2014 Student Survey

ERIC Educational Resources Information Center

Spaulding, Shayne; Martin-Caughey, Ananda

2015-01-01

This report presents findings from a survey of students enrolled in Accelerating Opportunity (AO) career pathways in spring 2014. AO provides grants to help community colleges create career pathway programs to enroll students with low basic skills into for-credit career and technical education courses to improve educational and employment…

Accelerating Literacy Program: The First Year 1993-94.

ERIC Educational Resources Information Center

Smith, Ralph J.

The 1993-94 school year was the first year of the Accelerating Literacy Program (ALP) of the Austin (Texas) Independent School District. The ALP used a grant from the Texas Education Agency to train elementary educators in the methods of a short-term reading intervention program based on the Reading Recovery/Whole Language theory. A group of 367…

78 FR 18327 - Decision and Order Granting a Waiver to LG Electronics, Inc. From the Department of Energy...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-03-26

... and Order Granting a Waiver to LG Electronics, Inc. From the Department of Energy Residential... of the decision and order (Case No. RF-024) that grants to LG Electronics, Inc. (LG) a waiver from... and Renewable Energy. Decision and Order In the Matter of: LG Electronics, Inc. (Case No. RF-024) I...

Test of the Equivalence Principle in an Einstein Elevator

NASA Technical Reports Server (NTRS)

Shapiro, Irwin I.

2002-01-01

The scientific goal of the experiment is to test the equality of gravitational and inertial mass (i.e., to test the Principle of Equivalence) by measuring the independence of the rate of fall of bodies from the composition of the falling body. The measurement is accomplished by measuring the relative displacement (or equivalently acceleration) of two falling bodies of different materials which are the proof masses of a differential accelerometer. The goal of the experiment is to measure the Eotvos ratio delta-g/g (differential acceleration/common acceleration) with an accuracy goal of a few parts in 10(exp 15). The estimated accuracy is about two orders of magnitude better than the present state of the art. The experiment is a null experiment in which a result different from zero will indicate a violation of the Equivalence Principle. The main goal of the study to be carried out under this grant is the flight definition of the experiment and bread boarding of critical components of the experiment that will enable us to be ready for the following phases of the project. The project involves an international cooperation in which the responsibility of the US side is the flight definition of the experimental facility while the responsibility of the non-US partners is the flight definition and laboratory prototyping of the differential acceleration detector. In summary, the experiment to be designed is for taking differential acceleration measurements with a high-sensitivity detector (the sensor) during free fall conditions lasting up to 30 s in a disturbance-free acceleration environment. The experiment strategy consists in letting the sensor free fall inside a few meters long (in the vertical direction) evacuated capsule that is falling simultaneously in the rarefied atmosphere after release from a helium balloon flying at a stratospheric altitude.

Tailoring High Order Time Discretizations for Use with Spatial Discretizations of Hyperbolic PDEs

DTIC Science & Technology

2015-05-19

Duration of Grant Sigal Gottlieb, Professor of Mathematics, UMass Dartmouth. Daniel Higgs , Graduate Student, UMass Dartmouth. Zachary Grant, Undergraduate...Grant, and D. Higgs , “Optimal Explicit Strong Stability Preserving Runge– Kutta Methods with High Linear Order and optimal Nonlinear Order.” Accepted...for publica- tion in Mathematics of Computation. Available on Arxiv at http://arxiv.org/abs/1403. 6519 4. C. Bresten, S. Gottlieb, Z. Grant, D. Higgs

The Accelerated Reader: An Analysis of the Software's Strengths and Weaknesses and How It Can Be Used to Its Best Potential.

ERIC Educational Resources Information Center

Poock, Melanie M.

1998-01-01

Describes Accelerated Reader (AR), a computer software program that promotes reading; discusses AR hardware requirements; explains how it is used for book selection and testing in schools; assesses the program's strengths and weaknesses; and describes how Grant and Madison Elementary Schools (Muscatine, Iowa) have used the program effectively.…

78 FR 63913 - Proposed Priority-Promise Zones

Federal Register 2010, 2011, 2012, 2013, 2014

2013-10-25

... compliance costs that might result from technological innovation or anticipated behavioral changes.'' We are... Neighborhoods, Byrne Criminal Justice Innovation grants, Stronger Economies Together, Rural Jobs Accelerator...

75 FR 45623 - Energy Conservation Program for Consumer Products: Decision and Order Granting a Waiver to...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-08-03

... Conservation Program for Consumer Products: Decision and Order Granting a Waiver to Samsung Electronics America...-014) that grants to Samsung Electronics America, Inc. (Samsung) a waiver from the DOE electric... Energy. Decision and Order In the Matter of: Samsung Electronics America, Inc. (Case No. RF- 014...

49 CFR 511.39 - Orders requiring witnesses to testify or provide other information and granting immunity.

Code of Federal Regulations, 2012 CFR

2012-10-01

... other information and granting immunity. 511.39 Section 511.39 Transportation Other Regulations Relating... testify or provide other information and granting immunity. (a) A party who desires the issuance of an order requiring a witness to testify or provide other information upon being granted immunity from...

16 CFR 1025.39 - Orders requiring witnesses to testify or provide other information and granting immunity.

Code of Federal Regulations, 2012 CFR

2012-01-01

... provide other information and granting immunity. 1025.39 Section 1025.39 Commercial Practices CONSUMER... Process § 1025.39 Orders requiring witnesses to testify or provide other information and granting immunity... witness or deponent to testify or provide other information upon being granted immunity from prosecution...

16 CFR 1025.39 - Orders requiring witnesses to testify or provide other information and granting immunity.

Code of Federal Regulations, 2011 CFR

2011-01-01

... provide other information and granting immunity. 1025.39 Section 1025.39 Commercial Practices CONSUMER... Process § 1025.39 Orders requiring witnesses to testify or provide other information and granting immunity... witness or deponent to testify or provide other information upon being granted immunity from prosecution...

16 CFR 1025.39 - Orders requiring witnesses to testify or provide other information and granting immunity.

Code of Federal Regulations, 2010 CFR

2010-01-01

... provide other information and granting immunity. 1025.39 Section 1025.39 Commercial Practices CONSUMER... Process § 1025.39 Orders requiring witnesses to testify or provide other information and granting immunity... witness or deponent to testify or provide other information upon being granted immunity from prosecution...

49 CFR 511.39 - Orders requiring witnesses to testify or provide other information and granting immunity.

Code of Federal Regulations, 2011 CFR

2011-10-01

... other information and granting immunity. 511.39 Section 511.39 Transportation Other Regulations Relating... testify or provide other information and granting immunity. (a) A party who desires the issuance of an order requiring a witness to testify or provide other information upon being granted immunity from...

16 CFR 2.15 - Orders requiring witnesses to testify or provide other information and granting immunity.

Code of Federal Regulations, 2014 CFR

2014-01-01

... provide other information and granting immunity. 2.15 Section 2.15 Commercial Practices FEDERAL TRADE... and granting immunity. (a) The Bureau Director, Deputy Directors, and Assistant Directors in the... issuance of an order requiring a witness to testify or provide other information granting immunity under...

49 CFR 511.39 - Orders requiring witnesses to testify or provide other information and granting immunity.

Code of Federal Regulations, 2014 CFR

2014-10-01

... other information and granting immunity. 511.39 Section 511.39 Transportation Other Regulations Relating... testify or provide other information and granting immunity. (a) A party who desires the issuance of an order requiring a witness to testify or provide other information upon being granted immunity from...

49 CFR 511.39 - Orders requiring witnesses to testify or provide other information and granting immunity.

Code of Federal Regulations, 2013 CFR

2013-10-01

... other information and granting immunity. 511.39 Section 511.39 Transportation Other Regulations Relating... testify or provide other information and granting immunity. (a) A party who desires the issuance of an order requiring a witness to testify or provide other information upon being granted immunity from...

16 CFR 1025.39 - Orders requiring witnesses to testify or provide other information and granting immunity.

Code of Federal Regulations, 2014 CFR

2014-01-01

... provide other information and granting immunity. 1025.39 Section 1025.39 Commercial Practices CONSUMER... Process § 1025.39 Orders requiring witnesses to testify or provide other information and granting immunity... witness or deponent to testify or provide other information upon being granted immunity from prosecution...

49 CFR 511.39 - Orders requiring witnesses to testify or provide other information and granting immunity.

Code of Federal Regulations, 2010 CFR

2010-10-01

... other information and granting immunity. 511.39 Section 511.39 Transportation Other Regulations Relating... testify or provide other information and granting immunity. (a) A party who desires the issuance of an order requiring a witness to testify or provide other information upon being granted immunity from...

16 CFR 2.15 - Orders requiring witnesses to testify or provide other information and granting immunity.

Code of Federal Regulations, 2013 CFR

2013-01-01

... provide other information and granting immunity. 2.15 Section 2.15 Commercial Practices FEDERAL TRADE... and granting immunity. (a) The Bureau Director, Deputy Directors, and Assistant Directors in the... issuance of an order requiring a witness to testify or provide other information granting immunity under...

16 CFR 2.15 - Orders requiring witnesses to testify or provide other information and granting immunity.

Code of Federal Regulations, 2012 CFR

2012-01-01

... provide other information and granting immunity. 2.15 Section 2.15 Commercial Practices FEDERAL TRADE... and granting immunity. (a) The Bureau Director, Deputy Directors, and Assistant Directors in the... issuance of an order requiring a witness to testify or provide other information granting immunity under...

16 CFR 2.15 - Orders requiring witnesses to testify or provide other information and granting immunity.

Code of Federal Regulations, 2011 CFR

2011-01-01

... provide other information and granting immunity. 2.15 Section 2.15 Commercial Practices FEDERAL TRADE... and granting immunity. (a) The Bureau Director, Deputy Directors, and Assistant Directors in the... issuance of an order requiring a witness to testify or provide other information granting immunity under...

76 FR 78910 - Decision and Order Granting a Waiver to LG Electronics U.S.A., Inc. From the Department of Energy...

Federal Register 2010, 2011, 2012, 2013, 2014

2011-12-20

... and Order Granting a Waiver to LG Electronics U.S.A., Inc. From the Department of Energy Commercial.... Department of Energy's (DOE) Decision and Order in Case No. CAC-036, which grants LG Electronics U.S.A., Inc.... Decision and Order In the Matter of: LG Electronics U.S.A., Inc. (LG) (Case No. CAC- 036). Background Title...

Laser-driven relativistic electron dynamics in a cylindrical plasma channel

NASA Astrophysics Data System (ADS)

Geng, Pan-Fei; Lv, Wen-Juan; Li, Xiao-Liang; Tang, Rong-An; Xue, Ju-Kui

2018-03-01

The energy and trajectory of the electron, which is irradiated by a high-power laser pulse in a cylindrical plasma channel with a uniform positive charge and a uniform negative current, have been analyzed in terms of a single-electron model of direct laser acceleration. We find that the energy and trajectory of the electron strongly depend on the positive charge density, the negative current density, and the intensity of the laser pulse. The electron can be accelerated significantly only when the positive charge density, the negative current density, and the intensity of the laser pulse are in suitable ranges due to the dephasing rate between the wave and electron motion. Particularly, when their values satisfy a critical condition, the electron can stay in phase with the laser and gain the largest energy from the laser. With the enhancement of the electron energy, strong modulations of the relativistic factor cause a considerable enhancement of the electron transverse oscillations across the channel, which makes the electron trajectory become essentially three-dimensional, even if it is flat at the early stage of the acceleration. Project supported by the National Natural Science Foundation of China (Grant Nos. 11475027, 11765017, 11764039, 11305132, and 11274255), the Natural Science Foundation of Gansu Province, China (Grant No. 17JR5RA076), and the Scientific Research Project of Gansu Higher Education, China (Grant No. 2016A-005).

75 FR 13120 - Energy Conservation Program for Consumer Products: Decision and Order Granting a Waiver to...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-03-18

... Conservation Program for Consumer Products: Decision and Order Granting a Waiver to Samsung Electronics America... (Case No. RF-011) that grants to Samsung Electronics America, Inc. (Samsung) a waiver from the DOE... and Order In the Matter of: Samsung Electronics America, Inc. (Case No. RF- 011). Background Title III...

16 CFR 3.39 - Orders requiring witnesses to testify or provide other information and granting immunity.

Code of Federal Regulations, 2012 CFR

2012-01-01

... provide other information and granting immunity. 3.39 Section 3.39 Commercial Practices FEDERAL TRADE... granting immunity. (a) Where Commission complaint counsel desire the issuance of an order requiring a witness or deponent to testify or provide other information and granting immunity under 18 U.S.C. 6002...

16 CFR 3.39 - Orders requiring witnesses to testify or provide other information and granting immunity.

Code of Federal Regulations, 2014 CFR

2014-01-01

... provide other information and granting immunity. 3.39 Section 3.39 Commercial Practices FEDERAL TRADE... granting immunity. (a) Where Commission complaint counsel desire the issuance of an order requiring a witness or deponent to testify or provide other information and granting immunity under 18 U.S.C. 6002...

12 CFR 1080.12 - Orders requiring witnesses to testify or provide other information and granting immunity.

Code of Federal Regulations, 2012 CFR

2012-01-01

... provide other information and granting immunity. 1080.12 Section 1080.12 Banks and Banking BUREAU OF... testify or provide other information and granting immunity. (a) The Assistant Director of the Division of... issuance of an order requiring a witness to testify or provide other information granting immunity under 18...

16 CFR 3.39 - Orders requiring witnesses to testify or provide other information and granting immunity.

Code of Federal Regulations, 2013 CFR

2013-01-01

... provide other information and granting immunity. 3.39 Section 3.39 Commercial Practices FEDERAL TRADE... granting immunity. (a) Where Commission complaint counsel desire the issuance of an order requiring a witness or deponent to testify or provide other information and granting immunity under 18 U.S.C. 6002...

16 CFR 3.39 - Orders requiring witnesses to testify or provide other information and granting immunity.

Code of Federal Regulations, 2010 CFR

2010-01-01

... provide other information and granting immunity. 3.39 Section 3.39 Commercial Practices FEDERAL TRADE... granting immunity. (a) Where Commission complaint counsel desire the issuance of an order requiring a witness or deponent to testify or provide other information and granting immunity under 18 U.S.C. 6002...

16 CFR 3.39 - Orders requiring witnesses to testify or provide other information and granting immunity.

Code of Federal Regulations, 2011 CFR

2011-01-01

... provide other information and granting immunity. 3.39 Section 3.39 Commercial Practices FEDERAL TRADE... granting immunity. (a) Where Commission complaint counsel desire the issuance of an order requiring a witness or deponent to testify or provide other information and granting immunity under 18 U.S.C. 6002...

GPU acceleration of Eulerian-Lagrangian particle-laden turbulent flow simulations

NASA Astrophysics Data System (ADS)

Richter, David; Sweet, James; Thain, Douglas

2017-11-01

The Lagrangian point-particle approximation is a popular numerical technique for representing dispersed phases whose properties can substantially deviate from the local fluid. In many cases, particularly in the limit of one-way coupled systems, large numbers of particles are desired; this may be either because many physical particles are present (e.g. LES of an entire cloud), or because the use of many particles increases statistical convergence (e.g. high-order statistics). Solving the trajectories of very large numbers of particles can be problematic in traditional MPI implementations, however, and this study reports the benefits of using graphical processing units (GPUs) to integrate the particle equations of motion while preserving the original MPI version of the Eulerian flow solver. It is found that GPU acceleration becomes cost effective around one million particles, and performance enhancements of up to 15x can be achieved when O(108) particles are computed on the GPU rather than the CPU cluster. Optimizations and limitations will be discussed, as will prospects for expanding to two- and four-way coupled systems. ONR Grant No. N00014-16-1-2472.

Modular design of H - synchrotrons for radiation therapy

NASA Astrophysics Data System (ADS)

Martin, R. L.

1989-04-01

A modular synchrotron for accelerating H - ions and a proton beam delivery system are being developed for radiation therapy with protons under SBIR grants from the National Cancer Institute. The advantage proposed for accelerating H - ions and utilizing charge exchange as a slow extraction mechanism lies in enhanced control of the extracted beam current, important for beam delivery with raster scanning for 3D dose contouring of a tumor site. Under these grants prototype magnets and vacuum systems are being constructed, appropriate H - sources are being developed and beam experiments will be carried out to demonstrate some of the key issues of this concept. The status of this program is described along with a discussion of a relatively inexpensive beam delivery system and a proposed program for its development.

What Program Managers Need to Know: A New Book to Accelerate Acquisition Competence

DTIC Science & Technology

2015-02-01

FEB 2015 2. REPORT TYPE 3. DATES COVERED 00-00-2015 to 00-00-2015 4. TITLE AND SUBTITLE What Program Managers Need to Know: A New Book to...Accelerate Acquisition Competence 5a. CONTRACT NUMBER 5b. GRANT NUMBER 5c. PROGRAM ELEMENT NUMBER 6. AUTHOR(S) 5d. PROJECT NUMBER 5e. TASK NUMBER 5f...ANSI Std Z39-18 What Program Managers Need to Know A New Book to Accelerate Acquisition Competence Col. William T. Cooley n Brian C. Ruhm Cooley is

76 FR 65707 - Decision and Order Granting a Waiver to LG Electronics, Inc. From the Department of Energy...

Federal Register 2010, 2011, 2012, 2013, 2014

2011-10-24

... and Order Granting a Waiver to LG Electronics, Inc. From the Department of Energy Commercial Package... Energy's (DOE) Decision and Order in Case No. CAC-032, which grants LG Electronics, Inc. (LG) a waiver... Electronics, Inc. (LG) (Case No. CAC-032). Background Title III, part C of the Energy Policy and Conservation...

20 CFR 645.415 - What planning information must a State submit in order to receive a formula grant?

Code of Federal Regulations, 2010 CFR

2010-04-01

... 20 Employees' Benefits 3 2010-04-01 2010-04-01 false What planning information must a State submit in order to receive a formula grant? 645.415 Section 645.415 Employees' Benefits EMPLOYMENT AND... Grants Administration § 645.415 What planning information must a State submit in order to receive a...

Effects of acceleration rate on Rayleigh-Taylor instability in elastic-plastic materials

NASA Astrophysics Data System (ADS)

Banerjee, Arindam; Polavarapu, Rinosh

2016-11-01

The effect of acceleration rate in the elastic-plastic transition stage of Rayleigh-Taylor instability in an accelerated non-Newtonian material is investigated experimentally using a rotating wheel experiment. A non-Newtonian material (mayonnaise) was accelerated at different rates by varying the angular acceleration of a rotating wheel and growth patterns of single mode perturbations with different combinations of amplitude and wavelength were analyzed. Experiments were run at two different acceleration rates to compare with experiments presented in prior years at APS DFD meetings and the peak amplitude responses are captured using a high-speed camera. Similar to the instability acceleration, the elastic-plastic transition acceleration is found to be increasing with increase in acceleration rate for a given amplitude and wavelength. The experimental results will be compared to various analytical strength models and prior experimental studies using Newtonian fluids. Authors acknowledge funding support from Los Alamos National Lab subcontract(370333) and DOE-SSAA Grant (DE-NA0001975).

25 CFR 1000.50 - What must a Tribe/Consortium seeking a planning grant submit in order to meet the planning phase...

Code of Federal Regulations, 2010 CFR

2010-04-01

... 25 Indians 2 2010-04-01 2010-04-01 false What must a Tribe/Consortium seeking a planning grant submit in order to meet the planning phase requirements? 1000.50 Section 1000.50 Indians OFFICE OF THE...) Planning and Negotiation Grants Advance Planning Grant Funding § 1000.50 What must a Tribe/Consortium...

Verification of Accelerated Testing Methodology for Long-Term Durability of CFRP Laminates for Marine Use

DTIC Science & Technology

2012-01-30

CFRP LAMINATES FOR MARINE USE Sa. CONTRACT NUMBER 5b. GRANT NUMBER N00014-06-1-1139 Sc. PROGRAM ELEMENT NUMBER 6. AUTHOR(S) Miyano, Yasushi...prediction of CFRP laminates proposed and confirmed experimentally in the previous ONR project of Grant # N000140110949 was verified theoretically and refined...DURABILITY OF CFRP LAMINATES FOR MARINE USE Principal Investigator Yasushi Miyano Co-principal Investigator Isao Kimpara Materials System

Effect of Vibration on Bacterial Growth and Antibiotic Resistance

NASA Technical Reports Server (NTRS)

Juergensmeyer, Elizabeth A.; Juergensmeyer, Margaret A.

2004-01-01

The purpose of this research grant was to provide a fundamental, systematic investigation of the effects of oscillatory acceleration on bacterial proliferation and their responses to antibiotics in a liquid medium.

A Gas-Surface Interaction Model based on Accelerated Reactive Molecular Dynamics for Hypersonic Conditions including Thermal Conduction

DTIC Science & Technology

2012-02-28

Interaction Model based on Accelerated Reactive Molecular Dynamics for Hypersonic conditions including Thermal Conduction FA9550-09-1-0157 Schwartzentruber...Dynamics for Hypersonic Conditions including Thermal Conduction Grant/Contract Number: FA9550-09-1-0157 Program Manager: Dr. John Schmisseur PI...through the boundary layer and may chemically react with the vehicle’s thermal protection system (TPS). Many TPS materials act as a catalyst for the

77 FR 69517 - Order Granting Exmeptions From Specified Provisions of the Securities Exchange Act and the...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-11-19

..., 2012: Investment Company Act of 1940; Release No. 30261/November 14, 2012] Order Granting Exmeptions From Specified Provisions of the Securities Exchange Act and the Investment Company Act and Certain...(C) and Section 38(A) of the Investment Company Act of 1940 Granting Exemptions From Specified...

Study of SMM flares in gamma-rays and neutrons

NASA Technical Reports Server (NTRS)

Dunphy, Philip P.; Chupp, Edward L.

1992-01-01

This report summarizes the results of the research supported by NASA grant NAGW-2755 and lists the papers and publications produced through the grant. The objective of the work was to study solar flares that produced observable signals from high-energy (greater than 10 MeV) gamma-rays and neutrons in the Solar Maximum Mission (SMM) Gamma-Ray Spectrometer (GRS). In 3 of 4 flares that had been studied previously, most of the neutrons and neutral pions appear to have been produced after the 'main' impulsive phase as determined from hard x-rays and gamma-rays. We, therefore, proposed to analyze the timing of the high-energy radiation, and its implications for the acceleration, trapping, and transport of flare particles. It was equally important to characterize the spectral shapes of the interacting energetic electrons and protons - another key factor in constraining possible particle acceleration mechanisms. In section 2.0, we discuss the goals of the research. In section 3.0, we summarize the results of the research. In section 4.0, we list the papers and publications produced under the grant. Preprints or reprints of the publications are attached as appendices.

Graduate Student Program in Materials and Engineering Research and Development for Future Accelerators

DOE Office of Scientific and Technical Information (OSTI.GOV)

Spentzouris, Linda

The objective of the proposal was to develop graduate student training in materials and engineering research relevant to the development of particle accelerators. Many components used in today's accelerators or storage rings are at the limit of performance. The path forward in many cases requires the development of new materials or fabrication techniques, or a novel engineering approach. Often, accelerator-based laboratories find it difficult to get top-level engineers or materials experts with the motivation to work on these problems. The three years of funding provided by this grant was used to support development of accelerator components through a multidisciplinary approachmore » that cut across the disciplinary boundaries of accelerator physics, materials science, and surface chemistry. The following results were achieved: (1) significant scientific results on fabrication of novel photocathodes, (2) application of surface science and superconducting materials expertise to accelerator problems through faculty involvement, (3) development of instrumentation for fabrication and characterization of materials for accelerator components, (4) student involvement with problems at the interface of material science and accelerator physics.« less

76 FR 78057 - Self-Regulatory Organizations; NASDAQ OMX PHLX LLC; Order Granting Approval of Proposed Rule...

Federal Register 2010, 2011, 2012, 2013, 2014

2011-12-15

...\\ and Rule 19b-4 thereunder,\\2\\ a proposed rule change to introduce the Minimum Life Order as new order... proposes, by amending its rules to add Rule 3301(f)(11), to introduce the Minimum Life Order as a new order...-Regulatory Organizations; NASDAQ OMX PHLX LLC; Order Granting Approval of Proposed Rule Change, as Modified...

14 CFR 16.109 - Orders terminating eligibility for grants, cease and desist orders, and other compliance orders.

Code of Federal Regulations, 2010 CFR

2010-01-01

... opportunity for a hearing if, in the Director's determination, the agency proposes to issue an order terminating eligibility for grants pursuant to 49 U.S.C. 47106(e) and 47111(d), an order suspending the... proposed consent order under § 16.243(e). (d) If the respondent fails to request a hearing or to file an...

48 CFR 2052.216-73 - Accelerated task order procedures.

Code of Federal Regulations, 2010 CFR

2010-10-01

... the work, the contractor shall proceed with performance of the task order subject to the monetary... 48 Federal Acquisition Regulations System 6 2010-10-01 2010-10-01 true Accelerated task order....216-73 Accelerated task order procedures. As prescribed at 2016.506-70(b), the contracting officer may...

Regionally Aligned Forces: Concept Viability and Implementation

DTIC Science & Technology

2015-03-01

forced the Army to accelerate cuts scheduled to occur by the end of FY15.5 While acceleration provides short term savings, projected cuts will affect...Concept Viability and Implementation 5a. CONTRACT NUMBER 5b. GRANT NUMBER 5c. PROGRAM ELEMENT NUMBER 6. AUTHOR(S) 5d. PROJECT NUMBER 5e. TASK NUMBER...mitigate the effects of reduced budgets, the Army will continue to reduce its overall end strength. Reduction initiatives will require the force to be

Magnetohydrodynamic Particle Acceleration Processes: SSX Experiments, Theory, and Astrophysical Applications

DOE Office of Scientific and Technical Information (OSTI.GOV)

Brown, Michael R.

2006-11-16

Project Title: Magnetohydrodynamic Particle Acceleration Processes: SSX Experiments, Theory, and Astrophysical Applications PI: Michael R. Brown, Swarthmore College The purpose of the project was to provide theoretical and modeling support to the Swarthmore Spheromak Experiment (SSX). Accordingly, the theoretical effort was tightly integrated into the SSX experimental effort. During the grant period, Michael Brown and his experimental collaborators at Swarthmore, with assistance from W. Matthaeus as appropriate, made substantial progress in understanding the physics SSX plasmas.

Localized waves in three-component coupled nonlinear Schrödinger equation

NASA Astrophysics Data System (ADS)

Xu, Tao; Chen, Yong

2016-09-01

We study the generalized Darboux transformation to the three-component coupled nonlinear Schrödinger equation. First- and second-order localized waves are obtained by this technique. In first-order localized wave, we get the interactional solutions between first-order rogue wave and one-dark, one-bright soliton respectively. Meanwhile, the interactional solutions between one-breather and first-order rogue wave are also given. In second-order localized wave, one-dark-one-bright soliton together with second-order rogue wave is presented in the first component, and two-bright soliton together with second-order rogue wave are gained respectively in the other two components. Besides, we observe second-order rogue wave together with one-breather in three components. Moreover, by increasing the absolute values of two free parameters, the nonlinear waves merge with each other distinctly. These results further reveal the interesting dynamic structures of localized waves in the three-component coupled system. Project supported by the Global Change Research Program of China (Grant No. 2015CB953904), the National Natural Science Foundation of China (Grant Nos. 11275072 and 11435005), the Doctoral Program of Higher Education of China (Grant No. 20120076110024), the Network Information Physics Calculation of Basic Research Innovation Research Group of China (Grant No. 61321064), and Shanghai Collaborative Innovation Center of Trustworthy Software for Internet of Things, China (Grant No. ZF1213).

Appropriateness of Antibiotic Prescribing in U. S. Children’s Hospitals: A National Point Prevalence Survey

PubMed Central

Tribble, Alison; Lee, Brian; Handy, Lori; Gerber, Jeffrey S; Hersh, Adam L; Kronman, Matthew; Terrill, Cindy; Newland, Jason

2017-01-01

Abstract Background Multiple studies estimate that inappropriate antibiotic prescribing ranges from 30–50% in hospitalized patients, but few have included pediatric patients. Pediatric studies characterizing inappropriate prescribing are needed to target and improve antimicrobial stewardship program (ASP) efforts. Methods Cross-sectional analysis of antimicrobial prescribing at 30 U.S. children’s hospitals. Participating hospitals were academic, tertiary care hospitals in the Sharing Antimicrobial Reports for Pediatric Stewardship (SHARPS) collaborative. Subjects were children 0–17 years with an active antibiotic order at 0800 on a single day during three consecutive calendar quarters (Q3 2016 – Q1 2017). Each hospital’s ASP used a standardized survey to collect data on antibiotic orders and evaluate appropriateness. Data were pooled from the three surveys. The primary outcome was the pooled estimate for the percentage of prescriptions classified as inappropriate. Secondary outcomes were pooled estimates for indication, reason for inappropriate use, and ASP review status for each antibiotic. Results Of 19,598 children hospitalized on survey days, 6,922 (35%) had ≥1 active antibiotic order. Median age of children receiving antibiotics was 3.7 years (0.5, 10.9). Figures 1 and 2 show the most common antibiotics and indications. Of all antibiotic orders, 1,514 (15%) were classified as inappropriate, and 19% of patients with antibiotic orders had at least one inappropriate order. The most common reasons for inappropriate use were bug-drug mismatch (26%), surgical prophylaxis > 24 hours (18%) and unnecessary duplicate therapy (12%). ASPs would not have routinely reviewed 50% of all inappropriate orders. An additional 22% of inappropriate orders were for antibiotics typically reviewed by ASPs, but were yet to be reviewed at the time of the survey. Conclusion Across 30 children’s hospitals, approximately 1 in 3 hospitalized children is receiving an antibiotic at any given time. Almost 20% of these children are receiving inappropriate therapy, and a substantial portion of inappropriate use is not captured by current ASP practices. Figures 1 and 2: Disclosures C. Terrill, Merck: Grant Investigator, Research grant; Allergan: Grant Investigator, Research grant; J. Newland, Merck: Grant Investigator, Research grant; Allergan: Grant Investigator, Research grant.

Electron Beam Transport in Advanced Plasma Wave Accelerators

DOE Office of Scientific and Technical Information (OSTI.GOV)

Williams, Ronald L

2013-01-31

The primary goal of this grant was to develop a diagnostic for relativistic plasma wave accelerators based on injecting a low energy electron beam (5-50keV) perpendicular to the plasma wave and observing the distortion of the electron beam's cross section due to the plasma wave's electrostatic fields. The amount of distortion would be proportional to the plasma wave amplitude, and is the basis for the diagnostic. The beat-wave scheme for producing plasma waves, using two CO2 laser beam, was modeled using a leap-frog integration scheme to solve the equations of motion. Single electron trajectories and corresponding phase space diagrams weremore » generated in order to study and understand the details of the interaction dynamics. The electron beam was simulated by combining thousands of single electrons, whose initial positions and momenta were selected by random number generators. The model was extended by including the interactions of the electrons with the CO2 laser fields of the beat wave, superimposed with the plasma wave fields. The results of the model were used to guide the design and construction of a small laboratory experiment that may be used to test the diagnostic idea.« less

78 FR 47807 - Self-Regulatory Organizations; New York Stock Exchange LLC; NYSE MKT LLC; Order Granting an...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-08-06

...-2011-84] Self-Regulatory Organizations; New York Stock Exchange LLC; NYSE MKT LLC; Order Granting an Extension to Limited Exemptions From Rule 612(c) of Regulation NMS In Connection With the Exchanges' Retail... under Rule 612(c) of Regulation NMS (``Sub-Penny Rule'') \\1\\ that granted the New York Stock Exchange...

Intelligent Compaction and Infrared Scanning Field Projects with Consulting Support

DOT National Transportation Integrated Search

2018-02-01

The Missouri Department of Transportation (MoDOT) was awarded a grant from the FHWA Accelerated Innovation Deployment (AID) program, in 2016. MoDOT provided the required matching funds to support this Intelligent Compaction (IC) and Infrared Scanning...

Accelerated Innovation Deployment (AID) Demonstration Project : Intelligent Compaction and Infrared Scanning Projects

DOT National Transportation Integrated Search

2018-02-01

This report documents the Missouri Department of Transportation (MoDOT) demonstration grant award for field demonstration projects using intelligent compaction (IC) and infrared scanning (IR) (also called paver-mounted thermal profiles PMTP in the AA...

A proton medical accelerator by the SBIR route — an example of technology transfer

NASA Astrophysics Data System (ADS)

Martin, R. L.

1989-04-01

Medical facilities for radiation treatment of cancer with protons have been established in many laboratories throughout the world. Essentially all of these have been designed as physics facilities, however, because of the requirement for protons up to 250 MeV. Most of the experience in this branch of accelerator technology lies in the national laboratories and a few large universities. A major issue is the transfer of this technology to the commercial sector to provide hospitals with simple, reliable and relatively inexpensive accelerators for this application. The author has chosen the SBIR route to accomplish this goal. ACCTEK Associates has received grants from the National Cancer Institute for development of the medical accelerator and beam delivery systems. Considerable encouragement and help has been received from Argonne National Laboratory and the Department of Energy. The experiences to date and the pros and cons on this approach to commercializing medical accelerators are described.

77 FR 66908 - Self-Regulatory Organizations; Financial Industry Regulatory Authority, Inc.; Order Granting...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-11-07

... Rule Change Relating to Post-Trade Transparency for Agency Pass-Through Mortgage- Backed Securities..., 2012, concerning an Order Granting Approval of Proposed Rule Change Relating to Post-Trade Transparency...

76 FR 65710 - Decision and Order Amending Waivers Granted to Mitsubishi Electric & Electronics USA, Inc. From...

Federal Register 2010, 2011, 2012, 2013, 2014

2011-10-24

... DEPARTMENT OF ENERGY Office of Energy Efficiency and Renewable Energy [Case No. CAC-037] Decision and Order Amending Waivers Granted to Mitsubishi Electric & Electronics USA, Inc. From the Department... Efficiency and Renewable Energy. Decision and Order In the Matter of: Mitsubishi Electric & Electronics USA...

76 FR 11440 - Energy Conservation Program for Consumer Products: Decision and Order Granting a Waiver to...

Federal Register 2010, 2011, 2012, 2013, 2014

2011-03-02

... Conservation Program for Consumer Products: Decision and Order Granting a Waiver to Electrolux From the... described in this notice. Today's decision prohibits Electrolux from making representations concerning the... Renewable Energy, Department of Energy. ACTION: Decision and Order. SUMMARY: The U.S. Department of Energy...

14 CFR 302.210 - Disposition of applications; orders establishing further procedures.

Code of Federal Regulations, 2011 CFR

2011-01-01

..., DEPARTMENT OF TRANSPORTATION (AVIATION PROCEEDINGS) PROCEDURAL REGULATIONS RULES OF PRACTICE IN PROCEEDINGS... any portion of each application: (1) Issue an Order to Show Cause why the application should not be granted, denied or dismissed, in whole or in part. (2) Issue a Final Order granting the application if the...

14 CFR 302.210 - Disposition of applications; orders establishing further procedures.

Code of Federal Regulations, 2010 CFR

2010-01-01

..., DEPARTMENT OF TRANSPORTATION (AVIATION PROCEEDINGS) PROCEDURAL REGULATIONS RULES OF PRACTICE IN PROCEEDINGS... any portion of each application: (1) Issue an Order to Show Cause why the application should not be granted, denied or dismissed, in whole or in part. (2) Issue a Final Order granting the application if the...

14 CFR 302.210 - Disposition of applications; orders establishing further procedures.

Code of Federal Regulations, 2013 CFR

2013-01-01

..., DEPARTMENT OF TRANSPORTATION (AVIATION PROCEEDINGS) PROCEDURAL REGULATIONS RULES OF PRACTICE IN PROCEEDINGS... any portion of each application: (1) Issue an Order to Show Cause why the application should not be granted, denied or dismissed, in whole or in part. (2) Issue a Final Order granting the application if the...

76 FR 11533 - Self-Regulatory Organizations; International Securities Exchange, LLC; Order Granting Approval of...

Federal Register 2010, 2011, 2012, 2013, 2014

2011-03-02

... SECURITIES AND EXCHANGE COMMISSION [Release No. 34-63955; File No. SR-ISE-2010-73] Self-Regulatory Organizations; International Securities Exchange, LLC; Order Granting Approval of a Proposed Rule Change To Modify Qualified Contingent Cross Order Rules February 24, 2011. I. Introduction On July 14, 2010, the...

Acceleration characteristics of human ocular accommodation.

PubMed

Bharadwaj, Shrikant R; Schor, Clifton M

2005-01-01

Position and velocity of accommodation are known to increase with stimulus magnitude, however, little is known about acceleration properties. We investigated three acceleration properties: peak acceleration, time-to-peak acceleration and total duration of acceleration to step changes in defocus. Peak velocity and total duration of acceleration increased with response magnitude. Peak acceleration and time-to-peak acceleration remained independent of response magnitude. Independent first-order and second-order dynamic components of accommodation demonstrate that neural control of accommodation has an initial open-loop component that is independent of response magnitude and a closed-loop component that increases with response magnitude.

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76 FR 21879 - Energy Conservation Program for Consumer Products: Decision and Order Granting a Waiver to LG...

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2011-04-19

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Time-to-contact estimation of accelerated stimuli is based on first-order information.

PubMed

Benguigui, Nicolas; Ripoll, Hubert; Broderick, Michael P

2003-12-01

The goal of this study was to test whether 1st-order information, which does not account for acceleration, is used (a) to estimate the time to contact (TTC) of an accelerated stimulus after the occlusion of a final part of its trajectory and (b) to indirectly intercept an accelerated stimulus with a thrown projectile. Both tasks require the production of an action on the basis of predictive information acquired before the arrival of the stimulus at the target and allow the experimenter to make quantitative predictions about the participants' use (or nonuse) of 1st-order information. The results show that participants do not use information about acceleration and that they commit errors that rely quantitatively on 1st-order information even when acceleration is psychophysically detectable. In the indirect interceptive task, action is planned about 200 ms before the initiation of the movement, at which time the 1st-order TTC attains a critical value. ((c) 2003 APA, all rights reserved)

Meeting Customer Service Standards Under Executive Order 12862: NASA’s Space Science Grant Process.

DTIC Science & Technology

1995-07-01

Logistics Management Institute Meeting Customer Service Standards Under Executive Order 12862 NASA’s Space Science Grant Process NS302MR2...Logistics Management Institute to survey the customers — proposal writers and peer review panelists — of its science grant process. This effort benefited... Management Institute (LMI) to develop customer satisfac- tion surveys for both proposal writers and peer review panelists as well as to conduct those

Osimertinib: First Global Approval.

PubMed

Greig, Sarah L

2016-02-01

Osimertinib (Tagrisso(™), AZD9291) is an oral, third-generation epidermal growth factor receptor tyrosine kinase inhibitor (EGFR TKI) that is being developed by AstraZeneca for the treatment of advanced non-small cell lung cancer (NSCLC). Osimertinib has been designed to target the EGFR T790M mutation that is often present in NSCLC patients with acquired EGFR TKI resistance, while sparing wild-type EGFR. In November 2015, the tablet formulation of osimertinib was granted accelerated approval in the USA for the treatment of patients with metastatic EGFR T790M mutation-positive NSCLC (as detected by an FDA-approved test) who have progressed on or after EGFR TKI therapy. Osimertinib has also been granted accelerated assessment status for this indication in the EU, and is in phase III development for first- and second-line and adjuvant treatment of advanced EGFR mutation-positive NSCLC in several countries. Phase I trials in patients with advanced solid tumours are also being conducted. This article summarizes the milestones in the development of osimertinib leading to this first approval for NSCLC.

Studies of Particle Acceleration, Transport and Radiation in Impulsive Phase of Solar Flares

NASA Technical Reports Server (NTRS)

Petrosian, Vahe

2005-01-01

Solar activity and its most prominent aspect, the solar flares, have considerable influence on terrestrial and space weather. Solar flares also provide a suitable laboratory for the investigation of many plasma and high energy processes important in the magnetosphere of the Earth and many other space and astrophysical situations. Hence, progress in understanding of flares will have considerable scientific and societal impact. The primary goal of this grant is the understanding of two of the most important problems of solar flare physics, namely the determination of the energy release mechanism and how this energy accelerates particles. This is done through comparison of the observations with theoretical models, starting from observations and gradually proceeding to theoretically more complex situations as the lower foundations of our understanding are secured. It is generally agreed that the source of the flare energy is the annihilation of magnetic fields by the reconnection process. Exactly how this energy is released or how it is dissipated remains controversial. Moreover, the exact mechanism of the acceleration of the particles is still a matter of debate. Data from many spacecrafts and ground based instruments obtained over the past decades have given us some clues. Theoretical analyses of these data have led to the standard thick target model (STT) where most of the released energy goes into an (assumed) power law spectrum of accelerated particles, and where all the observed radiations are the consequence of the interaction of these particles with the flare plasma. However, some theoretical arguments, and more importantly some new observations, have led us to believe that the above picture is not complete. It appears that plasma turbulence plays a more prominent role than suspected previously, and that it is the most likely agent for accelerating particles. The model we have developed is based on production of a high level of plasma waves and turbulence in the reconnection region above a flare loop. This turbulence accelerates particles stochastically which radiate some of their energy in this region but carry most of their energy to the footpoints of the loop, where they lose all their energy and radiate bulk of the observed radiation as in the traditional thick target model. In the past we have worked on various aspects of this model. We have evaluated the interaction rates of the plasma waves with electrons and ions, developed theoretical frameworks for the acceleration, transport and radiative processes, and produced numerical codes for the investigation of these processes. The goal of this grant has been further development and testing of this new paradigm, with emphases on the relative acceleration of electrons and ions and on a comprehensive investigation of the turbulence generation, cascade, and damping processes. We review several pieces of important evidence that we have uncovered indicating the crucial roles of turbulence, in and we describe accomplishments during the past two years of this grant.

A Prediction of Response of the Head and Neck of the U.S. Adult Military Population to Dynamic Impact Acceleration from Selected Dynamic Test Subjects.

DTIC Science & Technology

1976-05-01

to Review Grants for Clinical Research and Investigation Involving Human Beings, Medical School, The University of Michigan. 3 of biomechanical models...human volunteers in dynamic sled tests found no clinically observable effects. due to acceleration on a subject in which the peak mouth angular...minutes cf rest between trials , and the average fo-ce of each set computed. Figure 2.7 shows typi- cal forcc curves and the EMG signal resulting from

Mechanisms of Plasma Acceleration in Coronal Jets

NASA Astrophysics Data System (ADS)

Soto, N.; Reeves, K.; Savcheva, A. S.

2016-12-01

Jets are small explosions that occur frequently in the Sun possibly driven by the local reconfiguration of the magnetic field, or reconnection. There are two types of coronal jets: standard jets and blowout jets. The purpose of this project is to determine which mechanisms accelerate plasma in two different jets, one that occurred in January 17, 2015 at the disk of the sun and another in October 24, 2015 at the limb. Two possible acceleration mechanisms are chromospheric evaporation and magnetic acceleration. Using SDO/AIA, Hinode/XRT and IRIS data, we create height-time plots, and calculate the velocities of each wavelength for both jets. We calculate the potential magnetic field of the jet and the general region around it to gain a more detailed understanding of its structure, and determine if the jet is likely to be either a standard or blowout jet. Finally, we calculate the magnetic field strength for different heights along the jet spire, and use differential emission measures to calculate the plasma density. Once we have these two values, we calculate the Alfven speed. When analyzing our results we are looking for certain patterns in our velocities. If the plasma in a jet is accelerated by chromospheric evaporation, we expect the velocities to increase as function of temperature, which is what we observed in the October 24th jet. The magnetic models for this jet also show the Eiffel Tower shaped structure characteristic of standard jets, which tend to have plasma accelerated by this mechanism. On the other hand, if the acceleration mechanism were magnetic acceleration, we would expect the velocities to be similar regardless of temperature. For the January 17th jet, we saw that along the spire, the velocities where approximately 200 km/s in all wavelengths, but the velocities of hot plasma detected at the base were closer to the Alfven speed, which was estimated to be about 2,000 km/s. These observations suggest that the plasma in the January 17th jet is magnetically accelerated. The magnetic model for this jet needs to be studied further by using a NLFFF magnetic field model and not just the potential magnetic field. This work supported by the NSF-REU solar physics program at SAO, grant number AGS-1560313 and NASA Grant NNX15AF43G

First-Order Quantum Phase Transition for Dicke Model Induced by Atom-Atom Interaction

NASA Astrophysics Data System (ADS)

Zhao, Xiu-Qin; Liu, Ni; Liang, Jiu-Qing

2017-05-01

In this article, we use the spin coherent state transformation and the ground state variational method to theoretically calculate the ground function. In order to consider the influence of the atom-atom interaction on the extended Dicke model’s ground state properties, the mean photon number, the scaled atomic population and the average ground energy are displayed. Using the self-consistent field theory to solve the atom-atom interaction, we discover the system undergoes a first-order quantum phase transition from the normal phase to the superradiant phase, but a famous Dicke-type second-order quantum phase transition without the atom-atom interaction. Meanwhile, the atom-atom interaction makes the phase transition point shift to the lower atom-photon collective coupling strength. Supported by the National Natural Science Foundation of China under Grant Nos. 11275118, 11404198, 91430109, 61505100, 51502189, and the Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi Province (STIP) under Grant No. 2014102, and the Launch of the Scientific Research of Shanxi University under Grant No. 011151801004, and the National Fundamental Fund of Personnel Training under Grant No. J1103210. The Natural Science Foundation of Shanxi Province under Grant No. 2015011008

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2014-01-01

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Topological horseshoe analysis and field-programmable gate array implementation of a fractional-order four-wing chaotic attractor

NASA Astrophysics Data System (ADS)

Dong, En-Zeng; Wang, Zhen; Yu, Xiao; Chen, Zeng-Qiang; Wang, Zeng-Hui

2018-01-01

Not Available Project supported by the National Natural Science Foundation of China (Grant Nos. 61502340 and 61374169), the Application Base and Frontier Technology Research Project of Tianjin, China (Grant No. 15JCYBJC51800), and the South African National Research Foundation Incentive Grants (Grant No. 81705).

Ionosphere-magnetosphere coupling

NASA Technical Reports Server (NTRS)

Kaufmann, Richard L.

1994-01-01

Principal results are presented for the four papers that were supported from this grant. These papers include: 'Mapping and Energization in the Magnetotail. 1. Magnetospheric Boundaries; 'Mapping and Energization in the Magnetotail. 2. Particle Acceleration'; 'Cross-Tail Current: Resonant Orbits'; and 'Cross-Tail Current, Field-Aligned Current, and B(sub y)'.

Applying nonlinear diffusion acceleration to the neutron transport k-Eigenvalue problem with anisotropic scattering

DOE PAGES

Willert, Jeffrey; Park, H.; Taitano, William

2015-11-01

High-order/low-order (or moment-based acceleration) algorithms have been used to significantly accelerate the solution to the neutron transport k-eigenvalue problem over the past several years. Recently, the nonlinear diffusion acceleration algorithm has been extended to solve fixed-source problems with anisotropic scattering sources. In this paper, we demonstrate that we can extend this algorithm to k-eigenvalue problems in which the scattering source is anisotropic and a significant acceleration can be achieved. Lastly, we demonstrate that the low-order, diffusion-like eigenvalue problem can be solved efficiently using a technique known as nonlinear elimination.

Achieving Regional Energy Efficiency Potential in the Northeast

DOE Office of Scientific and Technical Information (OSTI.GOV)

De Angelo, Laura

With this grant, NEEP sought to accelerate the adoption of energy efficiency in the Northeast and Mid-Atlantic region through regional partnership projects that bring together leadership and staff from state and local government, utilities, industry, environmental and consumer groups, and other related interests to make efficiency visible and understood, reduce energy use in buildings, speed the adoption of high efficiency products, and advance knowledge and best practices. At the time of this grant, the NEEP region included the states of Maine, New Hampshire, Vermont, Massachusetts, New York, Connecticut, Rhode Island, Washington DC, Pennsylvania, Delaware, New Jersey, and Maryland.

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36 CFR 72.56 - Grant program compliance requirements.

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Sliding Mode Control of Fractional-Order Delayed Memristive Chaotic System with Uncertainty and Disturbance

NASA Astrophysics Data System (ADS)

Ding, Da-Wei; Liu, Fang-Fang; Chen, Hui; Wang, Nian; Liang, Dong

2017-12-01

In this paper, a simplest fractional-order delayed memristive chaotic system is proposed in order to control the chaos behaviors via sliding mode control strategy. Firstly, we design a sliding mode control strategy for the fractional-order system with time delay to make the states of the system asymptotically stable. Then, we obtain theoretical analysis results of the control method using Lyapunov stability theorem which guarantees the asymptotic stability of the non-commensurate order and commensurate order system with and without uncertainty and an external disturbance. Finally, numerical simulations are given to verify that the proposed sliding mode control method can eliminate chaos and stabilize the fractional-order delayed memristive system in a finite time. Supported by the National Nature Science Foundation of China under Grant No. 61201227, Funding of China Scholarship Council, the Natural Science Foundation of Anhui Province under Grant No. 1208085M F93, 211 Innovation Team of Anhui University under Grant Nos. KJTD007A and KJTD001B

Protective Effects of Decay-Accelerating Factor on Blast-Induced Neurotrauma in Rats

DTIC Science & Technology

2013-08-16

gelatin -Veronal buffer (pH 7.3). After centrifugation, absorbance of the supernatant was determined at 405 nm, and the serum concentration inducing 50...Houston, TX 78234, USA. 2Department of Trauma and Resuscitation Medicine, Naval Medical Research Center, 503 Robert Grant Avenue, Silver Spring, MD

25 CFR 1001.9 - Selection criteria for tribes/consortia seeking advance planning grant funding.

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2010-04-01

... planning grant funding. 1001.9 Section 1001.9 Indians OFFICE OF THE ASSISTANT SECRETARY, INDIAN AFFAIRS... advance planning grant funding. (a) Who is eligible to apply for a planning grant that will be awarded...-governance tribe and needs advance funding in order to complete the planning phase requirement may apply...

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Development and Tests of Elements of a Dust Telescope

NASA Astrophysics Data System (ADS)

Gruen, E.; Srama, R.; Rachev, M.; Srowig, A.; Sternovsky, Z.; Horanyi, M.; Amyx, K.; Auer, S.

2005-08-01

A dust telescope is a combination of a dust trajectory sensor together with an analyzer for the chemical composition of dust particles in space. Dust particles' trajectories are determined by the measurement of the electric signals that are induced when a charged grain flies through a position sensitive electrode system. The objective of the trajectory sensor is to measure dust charges in the range 10-16 to 10-13 C and dust speeds in the range 6 to 100 km/s. The trajectory sensor has four sensor planes consisting of about 16 wire electrodes each. Two adjacent planes have orthogonal wire direction. An ASIC charge sensitive amplifier has been developed with a RMS noise of about 1.5 10-17 C. The signals from 32 electrodes are digitized and sampled at 20 MHz rate by an ASIC transient recorder. First tests with a laboratory set-up have been performed and demonstrate a charge sensitivity corresponding to 100 electrons. The dust chemical analyzers shall have sufficient mass resolution in order to resolve ions with atomic mass number up to 100. The annular impact area of the mass analyzer will be > 0.1 m2. The mass spectrometer consists of the target area with an acceleration grid and the single-stage reflectron consisting of two grids and the central ion detector. Different field configurations have been found that have a mass resolution of M/Δ M > 150 for impacts onto the annular target between 100 and 240 mm from the center. An Ion Detector of 50 to 110 mm radius is necessary to collect all generated ions. A lab model has been constructed and first dust accelerator tests demonstrate a mass resolution (FWHM) of M/Δ M 250. Acknowledgements: This research is supported by NASA grant NAG5-11782 and by DLR grant 50OO0201.

Acceleration, Transport, Forecasting and Impact of solar energetic particles in the framework of the 'HESPERIA' HORIZON 2020 project

NASA Astrophysics Data System (ADS)

Malandraki, Olga; Klein, Karl-Ludwig; Vainio, Rami; Agueda, Neus; Nunez, Marlon; Heber, Bernd; Buetikofer, Rolf; Sarlanis, Christos; Crosby, Norma

2017-04-01

High-energy solar energetic particles (SEPs) emitted from the Sun are a major space weather hazard motivating the development of predictive capabilities. In this work, the current state of knowledge on the origin and forecasting of SEP events will be reviewed. Subsequently, we will present the EU HORIZON2020 HESPERIA (High Energy Solar Particle Events foRecastIng and Analysis) project, its structure, its main scientific objectives and forecasting operational tools, as well as the added value to SEP research both from the observational as well as the SEP modelling perspective. The project addresses through multi-frequency observations and simulations the chain of processes from particle acceleration in the corona, particle transport in the magnetically complex corona and interplanetary space to the detection near 1 AU. Furthermore, publicly available software to invert neutron monitor observations of relativistic SEPs to physical parameters that can be compared with space-borne measurements at lower energies is provided for the first time by HESPERIA. In order to achieve these goals, HESPERIA is exploiting already available large datasets stored in databases such as the neutron monitor database (NMDB) and SEPServer that were developed under EU FP7 projects from 2008 to 2013. Forecasting results of the two novel SEP operational forecasting tools published via the consortium server of 'HESPERIA' will be presented, as well as some scientific key results on the acceleration, transport and impact on Earth of high-energy particles. Acknowledgement: This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No 637324.

Directionality of Flare-Accelerated Particles from γ -ray Lines

NASA Astrophysics Data System (ADS)

Share, G. H.; Murphy, R. J.

2000-05-01

The energies and widths of γ -ray lines emitted by ambient nuclei excited by flare-accelerated protons and α -particles provide information on their directionality, spectra, and on the uniformity of the interaction region. For example, the γ -rays observed from a downward beam of particles impacting at 0o heliocentric angle would exhibit a clear Doppler red-shift and some broadening, dependent on the spectrum of the particles. In contrast, γ -rays observed from the same beam of particles impacting at 90o would be neither observably shifted nor broadened. We have studied the energies and widths of strong lines from de-excitations of 20Ne, 12C, and 16O in solar flares as a function of heliocentric angle. We use spectra from 21 flares observed with NASA's Solar Maximum Mission/GRS and Compton Observatory/OSSE experiments. The line energies of all three nuclei exhibit ~0.9% red-shifts from their laboratory values for flares observed at heliocentric angles <40o. In contrast, the energies are not significantly shifted for flares observed at angles >80o. The lines at all heliocentric angles are broadened between ~2.5% to 4%. These results are suggestive of a broad downward distribution of accelerated particles in flares or an isotropic distribution in a medium that has a significant density gradient. Detailed comparisons of these data with results from the gamma-ray production code (Ramaty, et al. 1979, ApJS, 40, 487; Murphy, et al. 1991, ApJ, 371, 793) are required in order to place constraints on the angular distributions of particles. This research has been supported by NASA grant W-18995.

77 FR 54777 - Accelerating Investment in Industrial Energy Efficiency

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Design and analysis of fractional order seismic transducer for displacement and acceleration measurements

NASA Astrophysics Data System (ADS)

Veeraian, Parthasarathi; Gandhi, Uma; Mangalanathan, Umapathy

2018-04-01

Seismic transducers are widely used for measurement of displacement, velocity, and acceleration. This paper presents the design of seismic transducer in the fractional domain for the measurement of displacement and acceleration. The fractional order transfer function for seismic displacement and acceleration transducer are derived using Grünwald-Letnikov derivative. Frequency response analysis of fractional order seismic displacement transducer (FOSDT) and fractional order seismic acceleration transducer (FOSAT) are carried out for different damping ratio with the different fractional order, and the maximum dynamic measurement range is identified. The results demonstrate that fractional order seismic transducer has increased dynamic measurement range and less phase distortion as compared to the conventional seismic transducer even with a lower damping ratio. Time response of FOSDT and FOSAT are derived analytically in terms of Mittag-Leffler function, the effect of fractional behavior in the time domain is evaluated from the impulse and step response. The fractional order system is found to have significantly reduced overshoot as compared to the conventional transducer. The fractional order seismic transducer design proposed in this paper is illustrated with a design example for FOSDT and FOSAT. Finally, an electrical equivalent of FOSDT and FOSAT is considered, and its frequency response is found to be in close agreement with the proposed fractional order seismic transducer.

Nonlinear Dynamic Analysis of Disordered Bladed-Disk Assemblies

NASA Technical Reports Server (NTRS)

McGee, Oliver G., III

1997-01-01

In a effort to address current needs for efficient, air propulsion systems, we have developed some new analytical predictive tools for understanding and alleviating aircraft engine instabilities which have led to accelerated high cycle fatigue and catastrophic failures of these machines during flight. A frequent cause of failure in Jets engines is excessive resonant vibrations and stall flutter instabilities. The likelihood of these phenomena is reduced when designers employ the analytical models we have developed. These prediction models will ultimately increase the nation's competitiveness in producing high performance Jets engines with enhanced operability, energy economy, and safety. The objectives of our current threads of research in the final year are directed along two lines. First, we want to improve the current state of blade stress and aeromechanical reduced-ordered modeling of high bypass engine fans, Specifically, a new reduced-order iterative redesign tool for passively controlling the mechanical authority of shroudless, wide chord, laminated composite transonic bypass engine fans has been developed. Second, we aim to advance current understanding of aeromechanical feedback control of dynamic flow instabilities in axial flow compressors. A systematic theoretical evaluation of several approaches to aeromechanical feedback control of rotating stall in axial compressors has been conducted. Attached are abstracts of two .papers under preparation for the 1998 ASME Turbo Expo in Stockholm, Sweden sponsored under Grant No. NAG3-1571. Our goals during the final year under Grant No. NAG3-1571 is to enhance NASA's capabilities of forced response of turbomachines (such as NASA FREPS). We with continue our development of the reduced-ordered, three-dimensional component synthesis models for aeromechanical evaluation of integrated bladeddisk assemblies (i.e., the disk, non-identical bladeing etc.). We will complete our development of component systems design optimization strategies for specified vibratory stresses and increased fatigue life prediction of assembly components, and for specified frequency margins on the Campbell diagrams of turbomachines. Finally, we will integrate the developed codes with NASA's turbomachinery aeromechanics prediction capability (such as NASA FREPS).

A fresh perspective on comparing the FDA and the CHMP/EMA: approval of antineoplastic tyrosine kinase inhibitors

PubMed Central

Shah, Rashmi R; Roberts, Samantha A; Shah, Devron R

2013-01-01

We compared and determined the reasons for any differences in the review and approval times of tyrosine kinase inhibitors (TKIs) by the US Food and Drug Administration (FDA) and the European EMA/CHMP. Applications for these novel cancer drugs were submitted to them within a mean of 31.2 days of each other, providing a fair basis for comparison. The FDA had granted priority review to 12 TKIs but the EMA/CHMP did not grant the equivalent accelerated assessment to any. The FDA granted accelerated approvals to six (38%) and CHMP granted (the equivalent) conditional approvals to four (29%) of these agents. On average, the review and approval times were 205.3 days in the US compared with 409.6 days in the European Union (EU). The active review times, however, were comparable (225.4 days in the EU and 205.3 days in the US). Since oncology drug development lasts about 7 years, the 20 days difference in review times between the two agencies is inconsequential. Clock stops during review and the time required to issue an approval had added the extra 184.2 days to review time in the EU. We suggest possible solutions to expedite the EU review and approval processes. However, post-marketing emergence of adverse efficacy and safety data on gefitinib and lapatinib, respectively, indicate potential risks of expedited approvals. We challenge the widely prevalent myth that early approval translates into early access or beneficial impact on public health. Both the agencies collaborate closely but conduct independent assessments and make decisions based on distinct legislation, procedures, precedents and societal expectations. PMID:23362829

Big Science vs. Little Science: How Scientific Impact Scales with Funding.

PubMed

Fortin, Jean-Michel; Currie, David J

2013-01-01

is it more effective to give large grants to a few elite researchers, or small grants to many researchers? Large grants would be more effective only if scientific impact increases as an accelerating function of grant size. Here, we examine the scientific impact of individual university-based researchers in three disciplines funded by the Natural Sciences and Engineering Research Council of Canada (NSERC). We considered four indices of scientific impact: numbers of articles published, numbers of citations to those articles, the most cited article, and the number of highly cited articles, each measured over a four-year period. We related these to the amount of NSERC funding received. Impact is positively, but only weakly, related to funding. Researchers who received additional funds from a second federal granting council, the Canadian Institutes for Health Research, were not more productive than those who received only NSERC funding. Impact was generally a decelerating function of funding. Impact per dollar was therefore lower for large grant-holders. This is inconsistent with the hypothesis that larger grants lead to larger discoveries. Further, the impact of researchers who received increases in funding did not predictably increase. We conclude that scientific impact (as reflected by publications) is only weakly limited by funding. We suggest that funding strategies that target diversity, rather than "excellence", are likely to prove to be more productive.

New York State Occupational Education Mini-Grant Program. 1972 Final Report.

ERIC Educational Resources Information Center

Alwell, William

The mini-grant concept has emerged in recent years as a specific catalyst for the promotion of educational change. A mini-grant is a small grant awarded to an individual (usually a teacher or supervisor) in order that he might investigate or further develop an idea within the classroom or school setting. Developed in the State of New York, this…

FDA Approval: Ibrutinib for Patients with Previously Treated Mantle Cell Lymphoma and Previously Treated Chronic Lymphocytic Leukemia.

PubMed

de Claro, R Angelo; McGinn, Karen M; Verdun, Nicole; Lee, Shwu-Luan; Chiu, Haw-Jyh; Saber, Haleh; Brower, Margaret E; Chang, C J George; Pfuma, Elimika; Habtemariam, Bahru; Bullock, Julie; Wang, Yun; Nie, Lei; Chen, Xiao-Hong; Lu, Donghao Robert; Al-Hakim, Ali; Kane, Robert C; Kaminskas, Edvardas; Justice, Robert; Farrell, Ann T; Pazdur, Richard

2015-08-15

On November 13, 2013, the FDA granted accelerated approval to ibrutinib (IMBRUVICA capsules; Pharmacyclics, Inc.) for the treatment of patients with mantle cell lymphoma (MCL) who have received at least one prior therapy. On February 12, 2014, the FDA granted accelerated approval for the treatment of patients with chronic lymphocytic leukemia (CLL) who have received at least one prior therapy. Ibrutinib is a first-in-class Bruton's tyrosine kinase (BTK) inhibitor that received all four expedited programs of the FDA: Fast-Track designation, Breakthrough Therapy designation, Priority Review, and Accelerated Approval. Both approvals were based on overall response rate (ORR) and duration of response (DOR) in single-arm clinical trials in patients with prior treatment. In MCL (N = 111), the complete and partial response rates were 17.1% and 48.6%, respectively, for an ORR of 65.8% [95% confidence interval (CI), 56.2%-74.5%]. The median DOR was 17.5 months (95% CI, 15.8-not reached). In CLL (N = 48), the ORR was 58.3% (95% CI, 43.2%-72.4%), and the DOR ranged from 5.6 to 24.2 months. The most common adverse reactions (≥ 30% in either trial) were thrombocytopenia, diarrhea, neutropenia, bruising, upper respiratory tract infection, anemia, fatigue, musculoskeletal pain, peripheral edema, and nausea. ©2015 American Association for Cancer Research.

77 FR 43881 - Self-Regulatory Organizations; Chicago Board Options Exchange, Incorporated; Order Granting...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-07-26

...-Regulatory Organizations; Chicago Board Options Exchange, Incorporated; Order Granting Approval of Proposed Rule Change To List and Trade CBOE S&P 500 AM/PM Basis Options July 20, 2012. I. Introduction On May 23, 2012, the Chicago Board Options Exchange, Incorporated (``Exchange'' or ``CBOE'') filed with the...

76 FR 40714 - Decision and Order Granting a Waiver to Mitsubishi Electric & Electronics USA, Inc. From the...

Federal Register 2010, 2011, 2012, 2013, 2014

2011-07-11

... and Order Granting a Waiver to Mitsubishi Electric & Electronics USA, Inc. From the Department of... Mitsubishi Electric & Electronics USA, Inc. (Mitsubishi) a waiver from the existing DOE test procedures... Matter of: Mitsubishi Electric & Electronics USA, Inc. (Mitsubishi) (Case No. CAC-030). Background Title...

75 FR 70060 - Self-Regulatory Organizations; The Options Clearing Corporation; Order Granting Approval of a...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-11-16

... Organizations; The Options Clearing Corporation; Order Granting Approval of a Proposed Rule Change Relating to Cash- Settled Foreign Currency Options With One-Cent Exercise Prices November 8, 2010. I. Introduction On March 16, 2010, The Options Clearing Corporation (``OCC'') filed with the Securities and Exchange...

75 FR 35861 - Self-Regulatory Organizations; The Options Clearing Corporation; Order Granting Approval of a...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-06-23

... Organizations; The Options Clearing Corporation; Order Granting Approval of a Proposed Rule Change Relating to Clearing Options on the CBOE Gold ETF Volatility Index June 14, 2010. I. Introduction On April 26, 2010, The Options Clearing Corporation (``OCC'') filed with the Securities and Exchange Commission the...

75 FR 82119 - Self-Regulatory Organizations; Municipal Securities Rulemaking Board; Order Granting Approval of...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-12-29

... SECURITIES AND EXCHANGE COMMISSION [Release No. 34-63599; File No. SR-MSRB-2010-16] Self-Regulatory Organizations; Municipal Securities Rulemaking Board; Order Granting Approval of Amendments to Rule G-5, on Disciplinary Actions by Appropriate Regulatory Agencies, Remedial Notices by Registered Securities Associations; and Rule G-17, on Conduct...

77 FR 59427 - Self-Regulatory Organizations; Municipal Securities Rulemaking Board; Order Granting Approval of...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-09-27

...-Regulatory Organizations; Municipal Securities Rulemaking Board; Order Granting Approval of a Proposed Rule Change To Amend Rule G-34 on CUSIP Numbers, New Issue, and Market Information Requirements September 21... consisting of amendments to Rule G-34 on CUSIP numbers, new issue, and market information requirements. The...

77 FR 59030 - Self-Regulatory Organizations; BATS Exchange, Inc.; Order Granting Approval of Proposed Rule...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-09-25

... SECURITIES AND EXCHANGE COMMISSION [Release No. 34-67888; File No. SR-BATS-2012-030] Self-Regulatory Organizations; BATS Exchange, Inc.; Order Granting Approval of Proposed Rule Change To Amend BATS Rule 14.11, Entitled ``Other Securities'' September 19, 2012. I. Introduction On July 20, 2012, BATS...

78 FR 75437 - Self-Regulatory Organizations; NASDAQ OMX PHLX LLC; Order Granting Approval of Proposed Rule...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-12-11

... SECURITIES AND EXCHANGE COMMISSION [Release No. 34-71004; File No. SR-Phlx-2013-101] Self-Regulatory Organizations; NASDAQ OMX PHLX LLC; Order Granting Approval of Proposed Rule Change Regarding the Short Term Options Program December 6, 2013. I. Introduction On October 3, 2013, NASDAQ OMX PHLX LLC...

77 FR 4605 - Self-Regulatory Organizations; EDGA Exchange, Inc.; Order Granting Approval of Proposed Rule...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-01-30

... SECURITIES AND EXCHANGE COMMISSION [Release No. 34-66231; File No. SR-EDGA-2011-40] Self-Regulatory Organizations; EDGA Exchange, Inc.; Order Granting Approval of Proposed Rule Change Amending EDGA Rule 11.9 January 24, 2012. On December 2, 2011, EDGA Exchange, Inc. (``Exchange'' or ``EDGA'') filed...

76 FR 8793 - Self-Regulatory Organizations; NASDAQ OMX PHLX LLC; Order Granting Approval of Proposed Rule...

Federal Register 2010, 2011, 2012, 2013, 2014

2011-02-15

... SECURITIES AND EXCHANGE COMMISSION [Release No. 34-63875; File No. SR-Phlx-2010-183] Self-Regulatory Organizations; NASDAQ OMX PHLX LLC; Order Granting Approval of Proposed Rule Change Expanding Its Short Term Option Program February 9, 2011. I. Introduction On December 15, 2010, NASDAQ OMX PHLX LLC...

75 FR 59303 - Self-Regulatory Organizations; The Options Clearing Corporation; Order Granting Approval of...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-09-27

... SECURITIES AND EXCHANGE COMMISSION [Release No. 34-62956; File No. SR-OCC-2010-09] Self-Regulatory Organizations; The Options Clearing Corporation; Order Granting Approval of Proposed Rule Change Relating to... clearing organization'' registered as such with the CFTC, OCC also filed this proposed rule change for...

76 FR 2182 - Self-Regulatory Organizations; NASDAQ OMX PHLX LLC; Order Granting Approval of Proposed Rule...

Federal Register 2010, 2011, 2012, 2013, 2014

2011-01-12

... SECURITIES AND EXCHANGE COMMISSION [Release No. 34-63654; File No. SR-Phlx-2010-158] Self-Regulatory Organizations; NASDAQ OMX PHLX LLC; Order Granting Approval of Proposed Rule Change Establishing a $5 Strike Price Program January 6, 2011. I. Introduction On November 12, 2010, NASDAQ OMX PHLX LLC...

76 FR 52729 - Self-Regulatory Organizations; NASDAQ OMX PHLX LLC; Order Granting Approval of Proposed Rule...

Federal Register 2010, 2011, 2012, 2013, 2014

2011-08-23

... SECURITIES AND EXCHANGE COMMISSION [Release No. 34-65149; File No. SR-Phlx-2011-89] Self-Regulatory Organizations; NASDAQ OMX PHLX LLC; Order Granting Approval of Proposed Rule Change Relating to Alpha Index Options August 17, 2011. I. Introduction On June 23, 2011, NASDAQ OMX PHLX LLC (the...

75 FR 9988 - Self-Regulatory Organizations; NASDAQ OMX PHLX, Inc.; Order Granting Approval of Proposed Rule...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-03-04

... SECURITIES AND EXCHANGE COMMISSION [Release No. 34-61590; File No. SR-Phlx-2009-113] Self-Regulatory Organizations; NASDAQ OMX PHLX, Inc.; Order Granting Approval of Proposed Rule Change Relating to Index Option Position Limits February 25, 2010. On December 29, 2009, NASDAQ OMX PHLX, Inc. (``Phlx'' or...

77 FR 74891 - Order Granting Exemptions From Certain Rules of Regulation SHO Related to Hurricane Sandy

Federal Register 2010, 2011, 2012, 2013, 2014

2012-12-18

... SECURITIES AND EXCHANGE COMMISSION [Release No. 34-68419; File No. TP 13-05] Order Granting... certificates are considered inaccessible.\\1\\ However, DTCC and The Securities Transfer Association, Inc. (``STA... owned securities, represented by physical certificates that were located in the Vault at the time...

76 FR 79262 - Self-Regulatory Organizations; The NASDAQ Stock Market LLC; Order Granting Approval of Proposed...

Federal Register 2010, 2011, 2012, 2013, 2014

2011-12-21

...-Regulatory Organizations; The NASDAQ Stock Market LLC; Order Granting Approval of Proposed Rule Change To... Select Markets December 15, 2011. I. Introduction On August 30, 2011, The NASDAQ Stock Market LLC... Global and Global Select Markets. The proposed rule change was published in the Federal Register on...

77 FR 25661 - Sulfuryl Fluoride; Second Request for Comment on Proposed Order Granting Objections to Tolerances...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-05-01

... Fluoride; Second Request for Comment on Proposed Order Granting Objections to Tolerances and Denying... on EPA's proposed resolution of objections and a stay request with regard to sulfuryl fluoride and fluoride tolerances promulgated in 2004 and 2005 under section 408(d) of the Federal Food, Drug, and...

75 FR 28654 - In the Matter of Certain Restraining Systems for Transport, Components Thereof, and Methods of...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-05-21

... Not To Review an Initial Determination Granting Respondent's Second Amended Motion To Terminate the... administrative law judge's (``ALJ'') initial determination (``ID'') (Order No. 6) granting respondent's second amended motion to terminate the investigation in its entirety based on a consent order stipulation and to...

Triviality of Quantum Electrodynamics Revisited

NASA Astrophysics Data System (ADS)

Djukanovic, D.; Gegelia, J.; Meißner, Ulf-G.

2018-03-01

Quantum electrodynamics is often considered to be a trivial theory. This is based on a number of evidences, both numerical and analytical. One of the strong indications for triviality of QED is the existence of the Landau pole for the running coupling. We show that by treating QED as the leading order approximation of an effective field theory and including the next-to-leading order corrections, the Landau pole is removed. We also analyze the cutoff dependence of the bare coupling at two-loop order and conclude that the conjecture, that for reasons of self-consistency, QED needs to be trivial is a mere artefact of the leading order approximation to the corresponding effective field theory. Supported in part by DFG and NSFC through funds provided to the Sino-German CRC 110 “Symmetries and the Emergence of Structure in QCD” National Natural Science Foundation of under Grant No. 11621131001, DFG under Grant No. TRR110, the Georgian Shota Rustaveli National Science Foundation (Grant FR/417/6-100/14) and the Chinese Academy of Sciences President’s International Fellowship Initiative (PIFI) under Grant No. 2017VMA0025

Evaluation of FY 1987 safety belt use law state enforcement grants

DOT National Transportation Integrated Search

1991-03-01

The report presents information and an evaluation of safety belt use law enforcement grants provided to 17 states through supplemental 403 grants during FY 1987. Elmira-type programs were to serve as a model in order to demonstrate that basic enforce...

Application of Plasma Waveguides to High Energy Accelerators

DOE Office of Scientific and Technical Information (OSTI.GOV)

Milchberg, Howard M

2013-03-30

The eventual success of laser-plasma based acceleration schemes for high-energy particle physics will require the focusing and stable guiding of short intense laser pulses in reproducible plasma channels. For this goal to be realized, many scientific issues need to be addressed. These issues include an understanding of the basic physics of, and an exploration of various schemes for, plasma channel formation. In addition, the coupling of intense laser pulses to these channels and the stable propagation of pulses in the channels require study. Finally, new theoretical and computational tools need to be developed to aid in the design and analysismore » of experiments and future accelerators. Here we propose a 3-year renewal of our combined theoretical and experimental program on the applications of plasma waveguides to high-energy accelerators. During the past grant period we have made a number of significant advances in the science of laser-plasma based acceleration. We pioneered the development of clustered gases as a new highly efficient medium for plasma channel formation. Our contributions here include theoretical and experimental studies of the physics of cluster ionization, heating, explosion, and channel formation. We have demonstrated for the first time the generation of and guiding in a corrugated plasma waveguide. The fine structure demonstrated in these guides is only possible with cluster jet heating by lasers. The corrugated guide is a slow wave structure operable at arbitrarily high laser intensities, allowing direct laser acceleration, a process we have explored in detail with simulations. The development of these guides opens the possibility of direct laser acceleration, a true miniature analogue of the SLAC RF-based accelerator. Our theoretical studies during this period have also contributed to the further development of the simulation codes, Wake and QuickPIC, which can be used for both laser driven and beam driven plasma based acceleration schemes. We will continue our development of advanced simulation tools by modifying the QuickPIC algorithm to allow for the simulation of plasma particle pick-up by the wake fields. We have also performed extensive simulations of plasma slow wave structures for efficient THz generation by guided laser beams or accelerated electron beams. We will pursue experimental studies of direct laser acceleration, and THz generation by two methods, ponderomotive-induced THz polarization, and THz radiation by laser accelerated electron beams. We also plan to study both conventional and corrugated plasma channels using our new 30 TW in our new lab facilities. We will investigate production of very long hydrogen plasma waveguides (5 cm). We will study guiding at increasing power levels through the onset of laser-induced cavitation (bubble regime) to assess the role played by the preformed channel. Experiments in direct acceleration will be performed, using laser plasma wakefields as the electron injector. Finally, we will use 2-colour ionization of gases as a high frequency THz source (<60 THz) in order for femtosecond measurements of low plasma densities in waveguides and beams.« less

Acceleration of low order finite element computation with GPUs (Invited)

NASA Astrophysics Data System (ADS)

Knepley, M. G.

2010-12-01

Considerable effort has been focused on the acceleration using GPUs of high order spectral element methods and discontinuous Galerkin finite element methods. However, these methods are not universally applicable, and much of the existing FEM software base employs low order methods. In this talk, we present a formulation of FEM, using the PETSc framework from ANL, which is amenable to GPU acceleration even at very low order. In addition, using the FEniCS system for FEM, we show that the relevant kernels can be automatically generated and optimized using a symbolic manipulation system.

After Pell Grants: The Neoliberal Assault on Prisoners

ERIC Educational Resources Information Center

Yates, Mark T.; Lakes, Richard D.

2010-01-01

The number of prisoners in the United States has accelerated over the past thirty years, giving it the highest incarceration rate in the world. The rise in the prison rate has coincided with the ascendancy of neoliberal policies of governance. These include, deregulation of markets, reduction of welfare services, and harsh punitive measures for…

A Model for Differentiation of Adjunct Faculty. Techniques.

ERIC Educational Resources Information Center

Paprock, Kenneth E.

1987-01-01

The Regis Career Education Program (RECEP) is an accelerated degree-granting program for adults at Regis College in Denver, Colorado. Since the program began in 1979, there has been a steady increase in enrollments and, consequently, a steady increase in the number of adjunct faculty. These adjunct faculty members are generally drawn from outside…

Culturally Efficacious Mathematics and Science Teacher Preparation for Working with English Learners

ERIC Educational Resources Information Center

Bustos Flores, Belinda; Claeys, Lorena; Gist, Conra D.; Riojas Clark, Ellen; Villarreal, Abelardo

2015-01-01

To address the challenge of ensuring the quality of preparation of secondary mathematics and science teachers, this article describes the efforts of the "Academy for Teacher Excellence" (ATE; Flores et al., 2007), which received Transition to Teaching grants to establish the Accelerated Teacher Education Program (ATEP). ATEP's purpose…

The DELTA PREP Initiative" Accelerating Coalition Capacity for Intimate Partner Violence Prevention

ERIC Educational Resources Information Center

Zakocs, Ronda; Freire, Kimberley E.

2015-01-01

Background: The DELTA PREP Project aimed to build the prevention capacity of 19 state domestic violence coalitions by offering eight supports designed to promote prevention integration over a 3-year period: modest grant awards, training events, technical assistance, action planning, coaching hubs, the Coalition Prevention Capacity Assessment, an…

Project A+ Elementary Technology Demonstration Schools 1990-91. The First Year.

ERIC Educational Resources Information Center

Marable, Paula; Frazer, Linda

Project A+ Elementary Technology Demonstration Schools is a program made possible through grants from IBM (International Business Machines Corporation) and Apple, Inc. The primary purpose of the program is to demonstrate the educational effectiveness of technology in accelerating the learning of low achieving at-risk students and enhancing the…

Measured emittance dependence on injection method in laser plasma accelerators

NASA Astrophysics Data System (ADS)

Barber, Samuel; van Tilborg, Jeroen; Schroeder, Carl; Lehe, Remi; Tsai, Hai-En; Swanson, Kelly; Steinke, Sven; Nakamura, Kei; Geddes, Cameron; Benedetti, Carlo; Esarey, Eric; Leemans, Wim

2017-10-01

The success of many laser plasma accelerator (LPA) based applications relies on the ability to produce electron beams with excellent 6D brightness, where brightness is defined as the ratio of charge to the product of the three normalized emittances. As such, parametric studies of the emittance of LPA generated electron beams are essential. Profiting from a stable and tunable LPA setup, combined with a carefully designed single-shot transverse emittance diagnostic, we present a direct comparison of charge dependent emittance measurements of electron beams generated by two different injection mechanisms: ionization injection and shock induced density down-ramp injection. Notably, the measurements reveal that ionization injection results in significantly higher emittance. With the down-ramp injection configuration, emittances less than 1 micron at spectral charge densities up to 2 pC/MeV were measured. This work was supported by the U.S. DOE under Contract No. DE-AC02-05CH11231, by the NSF under Grant No. PHY-1415596, by the U.S. DOE NNSA, DNN R&D (NA22), and by the Gordon and Betty Moore Foundation under Grant ID GBMF4898.

Higher order harmonics suppression in extreme ultraviolet and soft x-ray

NASA Astrophysics Data System (ADS)

Chen, Yong; Wei, Lai; Qian, Feng; Yang, Zuhua; Wang, Shaoyi; Wu, Yinzhong; Zhang, Qiangqiang; Fan, Quanpin; Cao, Leifeng

2018-02-01

Not Available Project supported by the National Key Research and Development Program of China (Grant No. 2017YFA0206004), the National Natural Science Foundation of China (Grant No. 11375160), and the National Science Instruments Major Project of China (Grant No. 2012YQ130125).

Higher-Order Inhomogeneous Generalized Heisenberg Supermagnetic Model

NASA Astrophysics Data System (ADS)

Yan, Zhao-Wen; Zhang, Mei-Na; Cui, Ji-Feng

2018-05-01

Not Available Supported by the National Natural Science Foundation of China under Grant Nos 11605096 and 11601247, the Science Research Project of Inner Mongolia University of Technology under Grant No ZD201613, and the Innovation Foundation of Inner Mongolia University for the College Students under Grant No 201711208.

Multilevel acceleration of scattering-source iterations with application to electron transport

DOE PAGES

Drumm, Clif; Fan, Wesley

2017-08-18

Acceleration/preconditioning strategies available in the SCEPTRE radiation transport code are described. A flexible transport synthetic acceleration (TSA) algorithm that uses a low-order discrete-ordinates (S N) or spherical-harmonics (P N) solve to accelerate convergence of a high-order S N source-iteration (SI) solve is described. Convergence of the low-order solves can be further accelerated by applying off-the-shelf incomplete-factorization or algebraic-multigrid methods. Also available is an algorithm that uses a generalized minimum residual (GMRES) iterative method rather than SI for convergence, using a parallel sweep-based solver to build up a Krylov subspace. TSA has been applied as a preconditioner to accelerate the convergencemore » of the GMRES iterations. The methods are applied to several problems involving electron transport and problems with artificial cross sections with large scattering ratios. These methods were compared and evaluated by considering material discontinuities and scattering anisotropy. Observed accelerations obtained are highly problem dependent, but speedup factors around 10 have been observed in typical applications.« less

77 FR 38877 - Self-Regulatory Organizations; NYSE Arca, Inc.; Order Granting Approval of Proposed Rule Change...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-06-29

...-Regulatory Organizations; NYSE Arca, Inc.; Order Granting Approval of Proposed Rule Change, as Modified by...\\ and Rule 19b-4 thereunder,\\2\\ a proposed rule change to allow certain cross trades effected on the...-substantive changes to its rules. The proposed rule change was published for comment in the Federal Register...

77 FR 42533 - Self-Regulatory Organizations; NYSE Arca, Inc.; Order Granting Approval of Proposed Rule Change...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-07-19

...-Regulatory Organizations; NYSE Arca, Inc.; Order Granting Approval of Proposed Rule Change Amending Its Rules... Ownership Structure of the Exchange July 13, 2012. I. Introduction On May 14, 2012, NYSE Arca, Inc. (``NYSE... Holdings from the ownership structure of the Exchange (the ``Merger''). The proposed rule changes were...

78 FR 18410 - Order Granting a Limited Exemption From Rule 102 of Regulation M Concerning the NASDAQ Stock...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-03-26

... SECURITIES AND EXCHANGE COMMISSION [Release No. 34-69196] Order Granting a Limited Exemption From... to Regulation M Rule 102(e) March 20, 2013. The Securities and Exchange Commission (``Commission...\\ In connection with the Program, an MQP Company \\2\\ may list an eligible MQP Security \\3\\ on NASDAQ...

78 FR 40255 - Self-Regulatory Organizations; BATS Y-Exchange, Inc.; Order Granting Approval to Proposed Rule...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-07-03

...-Regulatory Organizations; BATS Y-Exchange, Inc.; Order Granting Approval to Proposed Rule Change Amending and Restating the Amended and Restated By-Laws of BATS Y-Exchange, Inc. June 27, 2013. I. Introduction On April 29, 2013, BATS Y-Exchange, Inc. (the ``Exchange'' or ``BYX'') filed with the Securities and Exchange...

78 FR 65629 - Energy Conservation Program for Consumer Products: Decision and Order Granting a Waiver to...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-11-01

... representative of consumer behavior. For example, if the number of annual cycles results in greater than a 3-day... Conservation Program for Consumer Products: Decision and Order Granting a Waiver to Whirlpool Corporation From... Conservation Program for Consumer Products Other Than Automobiles, a program covering most major household...

Large anomalous Hall effect in a non-collinear antiferromagnet Mn3Sn at room temperature

NASA Astrophysics Data System (ADS)

Higo, Tomoya; Kiyohara, Naoki; Nakatsuji, Satoru

Recent development in theoretical and experimental studies have provided a framework for understanding the anomalous Hall effect using Berry-phase concepts, and this perspective has led to predictions that, under certain conditions, a large anomalous Hall effect may appear in spin liquids and antiferromagnets. In this talk, we will present experimental results showing that the antiferromagnet Mn3Sn, which has a non-collinear 120-degree spin order, exhibits a large anomalous Hall effect. The magnitude of the Hall conductivity is ~ 20 Ω-1 cm-1 at room temperature and > 100 Ω-1 cm-1 at low temperatures. We found that a main component of the Hall signal, which is nearly independent of a magnetic field and magnetization, can change the sign with the reversal of a small applied field, corresponding to the rotation of the staggered moments of the non-collinear antiferromagnetic spin order which carries a very small net moment of a few of mμB. Supported by PRESTO, JST, and Grants-in-Aid for Program for Advancing Strategic International Networks to Accelerate the Circulation of Talented Researchers (No. R2604) and Scientific Research on Innovative Areas (15H05882 and 15H05883) from JSPS.

44 CFR 304.3 - Conditions for a consolidated grant.

Code of Federal Regulations, 2010 CFR

2010-10-01

... consolidated grant. (a) In order to participate, an insular area must submit a (one-time) administrative plan as provided for in FEMA guidance material (to be maintained in current status) and must sign a (one-time) civil rights assurance and a (one-time) grant agreement agreeing to comply with Federal...

7 CFR 1709.124 - Grant award procedures.

Code of Federal Regulations, 2011 CFR

2011-01-01

... AGRICULTURE ASSISTANCE TO HIGH ENERGY COST COMMUNITIES RUS High Energy Cost Grant Program § 1709.124 Grant... additional information in order to complete the required environmental review under 7 CFR 1794 and to meet... must concur with any changes proposed to the letter of conditions by the applicant before the...

7 CFR 1709.124 - Grant award procedures.

Code of Federal Regulations, 2010 CFR

2010-01-01

... AGRICULTURE ASSISTANCE TO HIGH ENERGY COST COMMUNITIES RUS High Energy Cost Grant Program § 1709.124 Grant... additional information in order to complete the required environmental review under 7 CFR 1794 and to meet... must concur with any changes proposed to the letter of conditions by the applicant before the...

7 CFR 1466.27 - Conservation Innovation Grants (CIG).

Code of Federal Regulations, 2014 CFR

2014-01-01

... 7 Agriculture 10 2014-01-01 2014-01-01 false Conservation Innovation Grants (CIG). 1466.27 Section... PROGRAM Contracts and Payments § 1466.27 Conservation Innovation Grants (CIG). (a) Definitions. In... relationship is the transfer of a thing of value to a recipient in order to accomplish a public purpose of...

7 CFR 1466.27 - Conservation Innovation Grants (CIG).

Code of Federal Regulations, 2012 CFR

2012-01-01

... 7 Agriculture 10 2012-01-01 2012-01-01 false Conservation Innovation Grants (CIG). 1466.27 Section... PROGRAM Contracts and Payments § 1466.27 Conservation Innovation Grants (CIG). (a) Definitions. In... relationship is the transfer of a thing of value to a recipient in order to accomplish a public purpose of...

7 CFR 1466.27 - Conservation Innovation Grants (CIG).

Code of Federal Regulations, 2013 CFR

2013-01-01

... 7 Agriculture 10 2013-01-01 2013-01-01 false Conservation Innovation Grants (CIG). 1466.27 Section... PROGRAM Contracts and Payments § 1466.27 Conservation Innovation Grants (CIG). (a) Definitions. In... relationship is the transfer of a thing of value to a recipient in order to accomplish a public purpose of...

76 FR 18513 - Announcement of Grant Application Deadlines and Funding Levels

Federal Register 2010, 2011, 2012, 2013, 2014

2011-04-04

... Federal statute.) Distance learning means a telecommunications link to an end user through the use of.... Applicants are strongly encouraged to emphasize distance learning and/or telemedicine projects in their.... Applications will be ranked and grants awarded in rank order until all grant funds are expended. 3. Regardless...

Acceleration induced water removal from ear canals.

NASA Astrophysics Data System (ADS)

Kang, Hosung; Averett, Katelee; Jung, Sunghwan

2017-11-01

Children and adults commonly experience having water trapped in the ear canals after swimming. To remove the water, individuals will shake their head sideways. Since a child's ear canal has a smaller diameter, it requires more acceleration of the head to remove the trapped water. In this study, we theoretically and experimentally investigated the acceleration required to break the surface meniscus of the water in artificial ear canals and hydrophobic-coated glass tubes. In experiments, ear canal models were 3D-printed from a CT-scanned human head. Also, glass tubes were coated with silane to match the hydrophobicity in ear canals. Then, using a linear stage, we measured the acceleration values required to forcefully eject the water from the artificial ear canals and glass tubes. A theoretical model was developed to predict the critical acceleration at a given tube diameter and water volume by using a modified Rayleigh-Taylor instability. Furthermore, this research can shed light on the potential of long-term brain injury and damage by shaking the head to push the water out of the ear canal. This research was supported by National Science Foundation Grant CBET-1604424.

Neutron Activation Diagnostics in Deuterium Gas-Puff Experiments on the 3 MA GIT-12 Z-Pinch

NASA Astrophysics Data System (ADS)

Cikhardt, J.; Klir, D.; Rezac, K.; Cikhardtova, B.; Kravarik, J.; Kubes, P.; Sila, O.; Shishlov, A. V.; Cherdizov, R. K.; Fursov, F. I.; Kokshenev, V. A.; Kurmaev, N. E.; Labetsky, A. Yu; Ratakhin, N. A.; Dudkin, G. N.; Garapatsky, A. A.; Padalko, V. N.; Varlachev, V. A.; Turek, K.

2016-10-01

The experiments with a deuterium z-pinch on the GIT-12 generator at IHCE in Tomsk were performed in the frame of the Czech-Russian agreement. A set of neutron diagnostics included scintillation time-of-flight detectors, bubble detectors, and several kinds of threshold nuclear activation detectors in the order to obtain information about the yield, anisotropy, and spectrum of the neutrons produced by a deuterium gas-puff. The average neutron yield in these experiments was of the order of 1012 neutrons per a single shot. The energy spectrum of the produced neutrons was evaluated using neutron time-of-flight detectors and a set of neutron activation detectors. Because the deuterons in the pinch achieve multi-MeV energies, non-DD neutrons are produced by nuclear reactions of deuterons with a stainless steel vacuum chamber and aluminum components of diagnostics inside the chamber. An estimated number of the non-DD was of the order of 1011. GACR (Grant No. 16-07036S), CME (Grant Nos. LD14089, LG13029, and LH13283), MESRF (Grant No. RFMEFI59114X0001), IAEA (Grant No. RC17088), CTU (Grant No. SGS 16/223/OHK3/3T/13).

Multi-scale computation methods: Their applications in lithium-ion battery research and development

NASA Astrophysics Data System (ADS)

Siqi, Shi; Jian, Gao; Yue, Liu; Yan, Zhao; Qu, Wu; Wangwei, Ju; Chuying, Ouyang; Ruijuan, Xiao

2016-01-01

Based upon advances in theoretical algorithms, modeling and simulations, and computer technologies, the rational design of materials, cells, devices, and packs in the field of lithium-ion batteries is being realized incrementally and will at some point trigger a paradigm revolution by combining calculations and experiments linked by a big shared database, enabling accelerated development of the whole industrial chain. Theory and multi-scale modeling and simulation, as supplements to experimental efforts, can help greatly to close some of the current experimental and technological gaps, as well as predict path-independent properties and help to fundamentally understand path-independent performance in multiple spatial and temporal scales. Project supported by the National Natural Science Foundation of China (Grant Nos. 51372228 and 11234013), the National High Technology Research and Development Program of China (Grant No. 2015AA034201), and Shanghai Pujiang Program, China (Grant No. 14PJ1403900).

Design study of a radio-frequency quadrupole for high-intensity beams

NASA Astrophysics Data System (ADS)

Bahng, Jungbae; Kim, Eun-San; Choi, Bong-Hyuk

2017-07-01

The Rare isotope Accelerator Of Newness (RAON) heavy-ion accelerator has been designed for the Rare Isotope Science Project (RISP) in Korea. The RAON will produce heavy-ion beams from 660-MeV-proton to 200-MeV/u-uranium with continuous wave (CW) power of 400 kW to support research in various scientific fields. Its system consists of an ECR ion source, LEBTs with 10 keV/u, CW RFQ accelerator with 81.25 MHz and 500 keV/u, a MEBT system, and a SC linac. In detail, the driver linac system consists of a Quarter Wave Resonator (QWR) section with 81.25 MHz and a Half Wave Resonator (HWR) section with 162.5 MHz, Linac-1, and a Spoke Cavity section with 325 MHz, Linac-2. These linacs have been designed to optimize the beam parameters to meet the required design goals. At the same time, a light-heavy ion accelerator with high-intensity beam, such as proton, deuteron, and helium beams, is required for experiments. In this paper, we present the design study of the high intensity RFQ for a deuteron beam with energies from 30 keV/u to 1.5 MeV/u and currents in the mA range. This system is composed of an Penning Ionization Gauge ion source, short LEBT with a RF deflector, and shared SC Linac. In order to increase acceleration efficiency in a short length with low cost, the 2nd harmonic of 162.5 MHz is applied as the operation frequency in the D+ RFQ design. The D+ RFQ is designed with 4.97 m, 1.52 bravery factor. Since it operates with 2nd harmonic frequency, the beam should be 50% of the duty factor while the cavity should be operated in CW mode, to protect the downstream linac system. We focus on avoiding emittance growth by the space-charge effect and optimizing the RFQ to achieve a high transmission and low emittance growth. Both the RFQ beam dynamics study and RFQ cavity design study for two and three dimensions will be discussed. Supported by Korea University Future Research Grant

Accelerated approval of oncology products: a decade of experience.

PubMed

Dagher, Ramzi; Johnson, John; Williams, Grant; Keegan, Patricia; Pazdur, Richard

2004-10-20

We review the regulatory history of the accelerated approval process and summarize the U.S. Food and Drug Administration experience with accelerated approvals in oncology. The accelerated approval regulations, promulgated in 1992, allow approval of drugs for serious or life-threatening diseases on the basis of a surrogate endpoint that is reasonably likely to predict clinical benefit, such as survival or symptom benefit, pending completion of studies designed to confirm clinical benefit, referred to as phase 4 commitments, which are required to be conducted with due diligence. From 1992 to 2004, 22 applications involving anticancer drugs or biologics were approved. Of these 22 applications, accelerated approval was granted to 15 on the basis of findings from studies without an active comparator (i.e., single-arm studies or studies comparing two dose levels) and to the remaining seven on the basis of one or more randomized studies. Of the 22 approved applications, six (i.e., applications for dexrazoxane, irinotecan, capecitabine, docetaxel, imatinib mesylate, and oxaliplatin) have had one or more indications converted to regular approval. This review reports information that was presented at an Oncologic Drugs Advisory Committee meeting held in March 2003; it also presents a discussion of accelerated approval study designs, the study populations evaluated in the accelerated approval and confirmatory settings, and the integration of accelerated approval into a comprehensive drug development plan.

Plasma Acceleration by Rotating Magnetic Field Method using Helicon Source

NASA Astrophysics Data System (ADS)

Furukawa, Takeru; Shimura, Kaichi; Kuwahara, Daisuke; Shinohara, Shunjiro

2017-10-01

Electrodeless plasma thrusters are very promising due to no electrode damage, leading to realize further deep space exploration. As one of the important proposals, we have been concentrating on Rotating Magnetic Field (RMF) acceleration method. High-dense plasma (up to 1013 cm-3) can be generated by using a radio frequency (rf) external antenna, and also accelerated by an antenna wound around outside of a discharge tube. In this scheme, thrust increment is achieved by the axial Lorentz force caused by non linear effects. RMF penetration condition into plasma can be more satisfied than our previous experiment, by increasing RMF coil current and decreasing the RMF frequency, causing higher thrust and fuel efficiency. Measurements of AC RMF component s have been conducted to investigate the acceleration mechanism and the field penetration experimentally. This study has been partially supported by Grant-in-Aid for Scientific Research (B: 17H02995) from the Japan Society for the Promotion of Science.

78 FR 38783 - Grant Applications; Small Community Air Service Development Program under 49 U.S.C. 41743 et seq.;

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2013-06-27

...; Small Community Air Service Development Program under 49 U.S.C. 41743 et seq.; Order Soliciting Small Community Grant Proposals Issued by the Department of Transportation on the 24th day of June, 2013. By this order, the Department invites proposals from communities and/or consortia of communities interested in...

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20 CFR 667.120 - What planning information must a State submit in order to receive a formula grant?

Code of Federal Regulations, 2010 CFR

2010-04-01

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2010-01-01

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Final Report for U.S. DOE GRANT No. DEFG02-96ER41015 November 1, 2010 - April 30, 2013 entitled HIGH ENERGY ACCELERATOR AND COLLIDING BEAM USER GROUP at the UNIVERSITY of MARYLAND

DOE Office of Scientific and Technical Information (OSTI.GOV)

Hadley, Nicholas; Jawahery, Abolhassan; Eno, Sarah C

2013-07-26

We have finished the third year of a three year grant cycle with the U.S. Department of Energy for which we were given a five month extension (U.S. D.O.E. Grant No. DEFG02-96ER41015). This document is the fi nal report for this grant and covers the period from November 1, 2010 to April 30, 2013. The Maryland program is administered as a single task with Professor Nicholas Hadley as Principal Investigator. The Maryland experimental HEP group is focused on two major research areas. We are members of the CMS experiment at the LHC at CERN working on the physics of themore » Energy Frontier. We are also analyzing the data from the Babar experiment at SLAC while doing design work and R&D towards a Super B experiment as part of the Intensity Frontier. We have recently joined the LHCb experiment at CERN. We concluded our activities on the D experiment at Fermilab in 2009.« less

Closeout Report: Experimental High Energy Physics Group at the University of South Alabama

DOE Office of Scientific and Technical Information (OSTI.GOV)

Jenkins, Charles M; Godang, Romulus

The High Energy Physics group at the University of South Alabama has been supported by this research grant (DE-FG02-96ER40970) since 1996. One researcher, Dr. Merrill Jenkins, has been supported on this grant during this time worked on fixed target experiments at the Fermi National Accelerator Laboratory, west of Chicago, Illinois. These experiments have been E-705, E-771, E-871 (HyperCP) and E-921 (CKM) before it was canceled for budgetary reasons. After the cancellation of CKM, Dr. Jenkins joined the Compact Muon Solenoid (CMS) experiment as an associate member via the High Energy Physics Group at the Florida State University. A second, recentlymore » tenured faculty member, Dr. Romulus Godang joined the group in 2009 and has been supported by this grant since then. Dr. Godang is working on the BaBaR experiment at SLAC and has joined the Belle-II experiment located in Japan at KEK. According to the instructions sent to us by our grant monitor, we are to concentrate on the activities over the last three years in this closeout report.« less

20 CFR 671.100 - What is the purpose of national emergency grants under WIA section 173?

Code of Federal Regulations, 2011 CFR

2011-04-01

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20 CFR 671.100 - What is the purpose of national emergency grants under WIA section 173?

Code of Federal Regulations, 2010 CFR

2010-04-01

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2011-12-28

... communities by providing: Job and skills training combined with intensive case management and supportive... obtained jobs, and the direct assistance and case management services which have facilitated employment... skills in order to obtain employment or find more sustainable work. Grants may encompass terms of up to...

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2011-04-22

... DEPARTMENT OF COMMERCE Foreign-Trade Zones Board [Order No. 1754] Grant of Authority for Subzone Status, Allegro Mfg. Inc. (Distribution of Cosmetic, Organizer and Electronic Bags and Accessories... grants authority for subzone status for activity related to cosmetic, organizer and electronic bags and...

Comparison of Traditional and Innovative Techniques to Solve Technical Challenges

NASA Technical Reports Server (NTRS)

Perchonok, Michele

2010-01-01

Although NASA has an adequate food system for current missions, research is required to accommodate new requirements for future NASA exploration missions. The Inadequate Food System risk reflects the need to develop requirements and technologies that will enable NASA to provide the crew with a safe, nutritious and acceptable food system while effectively balancing appropriate resources such as mass, volume, and crew time in exploratory missions. As we go deeper into space or spend more time on the International Space Station (ISS), there will be requirements for packaged food to be stored for 3 5 years. New food packaging technologies are needed that have adequate oxygen and water barrier properties to maintain the foods' quality over this extended shelf life. NASA has been unsuccessful in identify packaging materials that meet the necessary requirements when using several traditional routes including literature reviews, workshops, and internal shelf life studies on foods packaged in various packaging materials. Small Business Innovative Research grants were used for accelerating food packaging materials research with limited success. In order to accelerate the process, a theoretical challenge was submitted to InnoCentive resulting in a partial award. A similar food packaging challenge was submitted to Yet2.com and several potential commercial packaging material suppliers were identified that, at least partially, met the requirements. Comparisons and results of these challenges will be discussed.

Probing gravity theory and cosmic acceleration using (in)consistency tests between cosmological data sets

NASA Astrophysics Data System (ADS)

Ishak-Boushaki, Mustapha B.

2018-06-01

Testing general relativity at cosmological scales and probing the cause of cosmic acceleration are among important objectives targeted by incoming and future astronomical surveys and experiments. I present our recent results on (in)consistency tests that can provide insights about the underlying gravity theory and cosmic acceleration using cosmological data sets. We use new statistical measures that can detect discordances between data sets when present. We use an algorithmic procedure based on these new measures that is able to identify in some cases whether an inconsistency is due to problems related to systematic effects in the data or to the underlying model. Some recent published tensions between data sets are also examined using our formalism, including the Hubble constant measurements, Planck and Large-Scale-Structure. (Work supported in part by NSF under Grant No. AST-1517768).

Joint Ne/O and Fe/O Analysis to Diagnose Large Solar Energetic Particle Events during Solar Cycle 23

NASA Astrophysics Data System (ADS)

Malandraki, Olga; Tan, Lun C.; Shao, Xi

2017-04-01

In this work we have examined 29 large SEP events with the peak proton intensity Jpp(>60MeV) >1 pfu during the solar cycle 23. The emphasis of our examination is put on a joint analysis of the Ne/O and Fe/O data in the 3-40 MeV/nucleon energy range as covered by the Wind/LEMT and ACE/SIS sensors in order to differentiate between the Fe-poor and Fe-rich events emerged from the CME-driven shock acceleration process. Some of our main findings are: (1) An improved ion ratio calculation can be carried out by re-binning ion intensity data into the form of equal bin widths in the logarithmic energy scale, (2) through the analysis we find that the variability of Ne/O and Fe/O ratios can be used to investigate the accelerating shock properties, (3) in particular, we observe a good correlation of the high-energy Ne/O ratio with the source plasma temperature T recently reported by Reames (2016). Therefore, the (Ne/O)n value at high energies should be a proxy of the injection energy in the shock acceleration process, and hence the shock θBn according to the models of Tylka & Lee (2006) as well as Schwadron et al. (2015). Acknowledgements. We gratefully acknowledge the source plasma temperature data provided by D. Reames, Wind/EPACT/LEMT data provided by the NASA/Space Physics Data Facility (SPDF)/CDAWeb, and the ACE/SIS data provided by the ACE Science Center. This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No 637324.

Nonlinear profile order for three-dimensional hybrid radial acquisition applied to self-gated free-breathing cardiac cine MRI

NASA Astrophysics Data System (ADS)

Zhu, Yanchun; Spincemaille, Pascal; Liu, Jing; Li, Shuo; Nguyen, Thanh D.; Prince, Martin R.; Xie, Yaoqin; Wang, Yi

2017-01-01

Not Available Project supported by the National Natural Science Foundation of China (Grant Nos. 81501463, 61671026, 81571669, and 81671853), the Natural Science Foundation of Guangdong Province, China (Grant No. 2014A030310360), Guangdong Innovative Research Team Program of China (Grant No. 2011S013), the Basic Research Project of Shenzhen City, China (Grant Nos. JCYJ20140417113430639 and JCYJ20160429172357751), the High-level Oversea Talent Program of Shenzhen City, China (Grant No. KQJSCX20160301144248), and Beijing Center for Mathematics and Information Interdisciplinary Sciences of China.

Evaluation of the US Department of Energy Weatherization Innovation Pilot Program (2010-2014)

DOE Office of Scientific and Technical Information (OSTI.GOV)

Tonn, Bruce Edward; Rose, Erin M.; Hawkins, Beth A.

This report contains results from analysis conducted on each of the Weatherization Innovation Pilot Program (WIPP) grants awarded to 16 organizations by the US Department of Energy (DOE) in 2010. The purpose of WIPP was to explore the potential adoptability or replicability of innovative processes or technologies for the enhancement of DOE’s Weatherization Assistance Program (WAP). DOE initiated the WIPP grant to accelerate effective innovations in home energy efficiency and other WAP mission-related goals for income-qualifying households of low socioeconomic status. This study was performed alongside a broader, national evaluation of WAP conducted by Oak Ridge National Laboratory (ORNL) formore » DOE.« less

75 FR 8760 - Order Granting Application for Exemption Pursuant to Section 36(a) of the Exchange Act by BATS...

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2010-02-25

... SECURITIES AND EXCHANGE COMMISSION [Release No. 34-61534] Order Granting Application for Exemption Pursuant to Section 36(a) of the Exchange Act by BATS Exchange, Inc. From the Rule Filing Requirements of Section 19(b) of the Exchange Act With Respect to Certain Rules Incorporated by Reference February 18, 2010. BATS Exchange, Inc. (``BATS...

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2011-01-03

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The Ames Vertical Gun Range

NASA Technical Reports Server (NTRS)

Karcz, J. S.; Bowling, D.; Cornelison, C.; Parrish, A.; Perez, A.; Raiche, G.; Wiens, J.-P.

2016-01-01

The Ames Vertical Gun Range (AVGR) is a national facility for conducting laboratory- scale investigations of high-speed impact processes. It provides a set of light-gas, powder, and compressed gas guns capable of accelerating projectiles to speeds up to 7 km s(exp -1). The AVGR has a unique capability to vary the angle between the projectile-launch and gravity vectors between 0 and 90 deg. The target resides in a large chamber (diameter approximately 2.5 m) that can be held at vacuum or filled with an experiment-specific atmosphere. The chamber provides a number of viewing ports and feed-throughs for data, power, and fluids. Impacts are observed via high-speed digital cameras along with investigation-specific instrumentation, such as spectrometers. Use of the range is available via grant proposals through any Planetary Science Research Program element of the NASA Research Opportunities in Space and Earth Sciences (ROSES) calls. Exploratory experiments (one to two days) are additionally possible in order to develop a new proposal.

Moving towards first science with the St. George recoil separator

NASA Astrophysics Data System (ADS)

Meisel, Zachary; Berg, G. P. A.; Gilardy, G.; Moran, M.; Schmitt, J.; Seymour, C.; Stech, E.; Couder, M.

2015-10-01

The St. George recoil mass separator has recently been coupled to the 5MV St. Ana accelerator at the University of Notre Dame's Nuclear Science Lab. St. George is a unique tool designed to measure radiative alpha-capture reactions for nuclei up to A = 40 in inverse kinematics in order to directly obtain cross sections required for astrophysical models of stellar and explosive helium burning. Commissioning of St. George is presently taking place with primary beams of hydrogen, helium, and oxygen. In this presentation, results will be shown for the measured energy acceptance of St. George, which compare favorably to COSY results when employing the calculated optimal ion-optical settings. Additionally, future plans will be discussed, such as assessing the angular acceptance of St. George and the re-integration of HiPPO at the separator target position to provide a dense, windowless helium gas-jet target. The material presented in this work is partially supported by the National Science Foundation Grant No. 1419765.

16 CFR § 1025.39 - Orders requiring witnesses to testify or provide other information and granting immunity.

Code of Federal Regulations, 2013 CFR

2013-01-01

... provide other information and granting immunity. § 1025.39 Section § 1025.39 Commercial Practices... immunity. (a) Applicability to Flammable Fabrics Act only. This section applies only to proceedings arising... witness or deponent to testify or provide other information upon being granted immunity from prosecution...

78 FR 21100 - Grant of Authority for Subzone Status; Dow Corning Corporation (Silicon-Based Products); Midland, MI

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2013-04-09

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2011-08-22

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25 CFR 700.335 - Grouping and granting of applications for life estate leases.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 25 Indians 2 2010-04-01 2010-04-01 false Grouping and granting of applications for life estate... OPERATIONS AND RELOCATION PROCEDURES Life Estate Leases § 700.335 Grouping and granting of applications for... least 50% (fifty percent) disabled shall be ranked in order of their age with the oldest listed first...

75 FR 65509 - In the Matter of Collaborative System Products and Components Thereof (II); Notice of Commission...

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2010-10-25

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Pattern transition from nanohoneycomb to nanograss on germanium by gallium ion bombardment

NASA Astrophysics Data System (ADS)

Zheng Xiao-Hu郑, 晓虎; Zhang Miao张, 苗; Huang An-Ping黄, 安平; Xiao Zhi-Song肖, 志松; Paul, K. Chu朱 剑 豪; Wang Xi王, 曦; Di Zeng-Feng狄, 增峰

2015-05-01

During the irradiation of Ge surface with Ga+ ions up to 1017 ions·cm-2, various patterns from ordered honeycomb to nanograss structure appear to be decided by the ion beam energy. The resulting surface morphologies have been studied by scanning electron microscopy and atomic force microscopy. For high energy Ga+ irradiation (16-30 keV), by controlling the ion fluence, we have captured that the equilibrium nanograss morphology also originates from the ordered honeycomb structure. When honeycomb holes are formed by ion erosion, heterogeneous distribution of the deposited energy along the holes leads to viscous flow from the bottom to the plateau. Redistribution of target atoms results in the growth of protuberances on the plateau, and finally the pattern evolution from honeycomb to nanograss with an equilibrium condition. Project supported by the National Natural Science Funds for Excellent Young Scholar, China (Grant No. 51222211), the National Natural Science Foundation of China (Grant Nos. 61176001 and 61006088), the National Basic Research Program of China (Grant No. 2010CB832906), the Pujiang Talent Project of Shanghai, China (Grant No. 11PJ1411700), the Hong Kong Research Grants Council (RGC) General Research Funds (GRF), China (Grant No. 112212), the City University of Hong Kong of Hong Kong Applied Research Grant (ARG), China (Grant No. 9667066), and the International Collaboration and Innovation Program on High Mobility Materials Engineering of Chinese Academy of Sciences.

Darboux Transformation and N-soliton Solution for Extended Form of Modified Kadomtsev—Petviashvili Equation with Variable-Coefficient

NASA Astrophysics Data System (ADS)

Luo, Xing-Yu; Chen, Yong

2016-08-01

The extended form of modified Kadomtsev—Petviashvili equation with variable-coefficient is investigated in the framework of Painlevé analysis. The Lax pairs are obtained by analysing two Painlevé branches of this equation. Starting with the Lax pair, the N-times Darboux transformation is constructed and the N-soliton solution formula is given, which contains 2n free parameters and two arbitrary functions. Furthermore, with different combinations of the parameters, several types of soliton solutions are calculated from the first order to the third order. The regularity conditions are discussed in order to avoid the singularity of the solutions. Moreover, we construct the generalized Darboux transformation matrix by considering a special limiting process and find a rational-type solution for this equation. Supported by the Global Change Research Program of China under Grant No. 2015CB953904, National Natural Science Foundation of China under Grant Nos. 11275072 and 11435005, Doctoral Program of Higher Education of China under Grant No. 20120076110024, The Network Information Physics Calculation of basic research innovation research group of China under Grant No. 61321064, Shanghai Collaborative Innovation Center of Trustworthy Software for Internet of Things under Grant No. ZF1213, Shanghai Minhang District talents of high level scientific research project

Observation of acceleration and deceleration in gigaelectron-volt-per-metre gradient dielectric wakefield accelerators

DOE PAGES

O’Shea, B. D.; Andonian, G.; Barber, S. K.; ...

2016-09-14

There is urgent need to develop new acceleration techniques capable of exceeding gigaelectron-volt-per-metre (GeV m –1) gradients in order to enable future generations of both light sources and high-energy physics experiments. To address this need, short wavelength accelerators based on wakefields, where an intense relativistic electron beam radiates the demanded fields directly into the accelerator structure or medium, are currently under intense investigation. One such wakefield based accelerator, the dielectric wakefield accelerator, uses a dielectric lined-waveguide to support a wakefield used for acceleration. Here we show gradients of 1.347±0.020 GeV m –1 using a dielectric wakefield accelerator of 15 cmmore » length, with sub-millimetre transverse aperture, by measuring changes of the kinetic state of relativistic electron beams. We follow this measurement by demonstrating accelerating gradients of 320±17 MeV m –1. As a result, both measurements improve on previous measurements by and order of magnitude and show promise for dielectric wakefield accelerators as sources of high-energy electrons.« less

Investigations into dual-grating THz-driven accelerators

NASA Astrophysics Data System (ADS)

Wei, Y.; Ischebeck, R.; Dehler, M.; Ferrari, E.; Hiller, N.; Jamison, S.; Xia, G.; Hanahoe, K.; Li, Y.; Smith, J. D. A.; Welsch, C. P.

2018-01-01

Advanced acceleration technologies are receiving considerable interest in order to miniaturize future particle accelerators. One such technology is the dual-grating dielectric structures, which can support accelerating fields one to two orders of magnitude higher than the metal RF cavities in conventional accelerators. This opens up the possibility of enabling high accelerating gradients of up to several GV/m. This paper investigates numerically a quartz dual-grating structure which is driven by THz pulses to accelerate electrons. Geometry optimizations are carried out to achieve the trade-offs between accelerating gradient and vacuum channel gap. A realistic electron bunch available from the future Compact Linear Accelerator for Research and Applications (CLARA) is loaded into an optimized 100-period dual-grating structure for a detailed wakefield study. A THz pulse is then employed to interact with this CLARA bunch in the optimized structure. The computed beam quality is analyzed in terms of emittance, energy spread and loaded accelerating gradient. The simulations show that an accelerating gradient of 348 ± 12 MV/m with an emittance growth of 3.0% can be obtained.

Observation of acceleration and deceleration in gigaelectron-volt-per-metre gradient dielectric wakefield accelerators

PubMed Central

O'Shea, B. D.; Andonian, G.; Barber, S. K.; Fitzmorris, K. L.; Hakimi, S.; Harrison, J.; Hoang, P. D.; Hogan, M. J.; Naranjo, B.; Williams, O. B.; Yakimenko, V.; Rosenzweig, J. B.

2016-01-01

There is urgent need to develop new acceleration techniques capable of exceeding gigaelectron-volt-per-metre (GeV m−1) gradients in order to enable future generations of both light sources and high-energy physics experiments. To address this need, short wavelength accelerators based on wakefields, where an intense relativistic electron beam radiates the demanded fields directly into the accelerator structure or medium, are currently under intense investigation. One such wakefield based accelerator, the dielectric wakefield accelerator, uses a dielectric lined-waveguide to support a wakefield used for acceleration. Here we show gradients of 1.347±0.020 GeV m−1 using a dielectric wakefield accelerator of 15 cm length, with sub-millimetre transverse aperture, by measuring changes of the kinetic state of relativistic electron beams. We follow this measurement by demonstrating accelerating gradients of 320±17 MeV m−1. Both measurements improve on previous measurements by and order of magnitude and show promise for dielectric wakefield accelerators as sources of high-energy electrons. PMID:27624348

36 CFR 72.56 - Grant program compliance requirements.

Code of Federal Regulations, 2010 CFR

2010-07-01

... INTERIOR URBAN PARK AND RECREATION RECOVERY ACT OF 1978 Grant Selection, Approval and Administration § 72... Order 12185, Conservation of Petroleum and Natural Gas Flood Disaster Protection Act of 1973 (Pub. L. 93...

36 CFR 72.56 - Grant program compliance requirements.

Code of Federal Regulations, 2011 CFR

2011-07-01

... INTERIOR URBAN PARK AND RECREATION RECOVERY ACT OF 1978 Grant Selection, Approval and Administration § 72... Order 12185, Conservation of Petroleum and Natural Gas Flood Disaster Protection Act of 1973 (Pub. L. 93...

New Sensors to Track Head Acceleration during Possible Injurious Events

DTIC Science & Technology

2009-02-01

Chris Perry John Plaga Biosciences and Protection Division Biomechanics Branch Jesse Bonfeld Endevco 30700 Rancho Viejo Road San Juan...GRANT NUMBER 5c. PROGRAM ELEMENT NUMBER 62202F 6. AUTHOR(S) Ted Knox, Joseph Pellettiere, Chris Perry, John Plaga Jesse Bonfeld 5d...Possible Injurious Events Ted Knox, Joseph Pellettiere, Chris Perry, John Plaga AFRL/RHPA Jesse Bonfeld Endevco ABSTRACT Instrumented

The Open Learning Initiative: Measuring the Effectiveness of the OLI Statistics Course in Accelerating Student Learning

ERIC Educational Resources Information Center

Lovett, Marsha; Meyer, Oded; Thille, Candace

2008-01-01

The Open Learning Initiative (OLI) is an open educational resources project at Carnegie Mellon University that began in 2002 with a grant from The William and Flora Hewlett Foundation. OLI creates web-based courses that are designed so that students can learn effectively without an instructor. In addition, the courses are often used by instructors…

[A Predictive Model for the Magnetic Field in the Heliosphere and Acceleration of Suprathermal Particles in the Solar Wind

NASA Technical Reports Server (NTRS)

Fisk, L. A.

2005-01-01

The purpose of this grant was to develop a theoretical understanding of the processes by which open magnetic flux undergoes large-scale transport in the solar corona, and to use this understanding to develop a predictive model for the heliospheric magnetic field, the configuration for which is determined by such motions.

Grant management procedure for energy saving TDM-PONs

NASA Astrophysics Data System (ADS)

Alaelddin, Fuad Yousif Mohammed; Newaz, S. H. Shah; AL-Hazemi, Fawaz; Choi, Jun Kyun

2018-01-01

In order to minimize energy consumption in Time Division Multiplexing-Passive Optical Network (TDM-PON), IEEE and ITU-T have mandated sleep mode mechanism for Optical Network Units (ONUs) in the latest TDM-PON standards (e.g. IEEE P1904.1 SIEPON, ITU-T G.sup45). The sleep mode mechanism is a promising mean for maximizing energy saving in an ONU. An ONU in sleep mode flips between sleep and active state depending on the presence or absent of upstream and downstream frames. To ensure Quality of Service (QoS) of upstream frames, the recent TDM-PON standards introduced an early wake-up mechanism, in which an ONU is forced to leave the sleep state on upstream frame arrival. When the Optical Line Terminal (OLT) of a TDM-PON allows early wake-up of its connected ONUs, it allocates gratuitous grants for the sleeping ONUs along with allocating upstream grants for the ONUs in active state. Note that, the gratuitous grants control message sent periodically by the OLT on Inter-Gratuitous grant Interval (IGI) time. After leaving sleep state due to the arrival of upstream frame, the ONU uses its allocated gratuitous grant to send a control message mentioning the amount of upstream bandwidth (upstream grant) required in order to forward the remaining frames in its buffer. However, the existing early wake-up process of ONU can lead to increase the energy consumption of an ONU. It is because of the ONU wakes-up immediately from the sleep state on arrival of the upstream frame, but even so, it needs to wait for forwarding the frame until its allocated gratuitous grant period, resulting in spending energy unnecessarily. In addition, current energy saving solution for TDM-PONs do not provide a clear solution on how to manage different types of grants (e.g. listening grant, upstream transmission grant) within a Dynamic Bandwidth Allocation (DBA) polling cycle. To address this problem, we propose a state-of-art Grant Management Procedure (GMP) in order to maximize energy saving in a TDM-PON with sleep mode enabled ONUs. GMP contributes in defining the location of the different types of grants during a DBA polling cycle. Furthermore, GMP devises a mechanism so as to allow an ONU to predict its assigned gratuitous grant control message arrival time, thereby allowing an ONU to remain its transceiver unit powered off until the arrival period of the next gratuitous grant control message, increasing the energy saving of the ONU. Results show that, with the increment of IGI, the energy saving performance of an ONU with GMP increases noticeably in compare to a conventional ONU (an ONU that does not use GMP) without imposing any additional upstream frame delay.

77 FR 4845 - Order Granting Application by BOX Options Exchange LLC for a Conditional Exemption Pursuant to...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-01-31

... SECURITIES AND EXCHANGE COMMISSION [Release No. 34-66241] Order Granting Application by BOX Options Exchange LLC for a Conditional Exemption Pursuant to Section 36(a) of the Exchange Act From Certain Requirements of Rules 6a-1 and 6a-2 Under the Exchange Act January 26, 2012. I. Introduction On December 19, 2011, BOX Options Exchange LLC (the `...

76 FR 70664 - Policy Statement on Grant Stamp Procedure in Routine Director Orders

Federal Register 2010, 2011, 2012, 2013, 2014

2011-11-15

... grant stamp unopposed motions for an extension of time or requests for a procedural schedule to which..., Vice Chairman Begeman, and Commissioner Mulvey. Jeffrey Herzig, Clearance Clerk. Appendix [GRAPHIC...

ECO TECH LINK: PT3 Grant Builds Technology Circles in the K-18 Community.

ERIC Educational Resources Information Center

Klinger, Katie; Duckett, Jane; Medrano, Maria; Crow, Nedra; Stowers, Gwen

Through the vehicle of the PT3 grant program, ECO TECH LINK has built a strong consortium to support technology circles of government, education and business in order to raise student achievement scores, shorten the time it takes to earn a teaching credential, and enhance the quality of teacher credential courses. The ECO TECH LINK grant enables…

PREFACE: Acceleration and radiation generation in space and laboratory plasmas

NASA Astrophysics Data System (ADS)

Bingham, R.; Katsouleas, T.; Dawson, J. M.; Stenflo, L.

1994-01-01

Sixty-six leading researchers from ten nations gathered in the Homeric village of Kardamyli, on the southern coast of mainland Greece, from August 29-September 4, 1993 for the International Workshop on Acceleration and Radiation Generation in Space and Laboratory Plasmas. This Special Issue represents a cross-section of the presentations made at and the research stimulated by that meeting. According to the Iliad, King Agamemnon used Kardamyli as a dowry offering in order to draw a sulking Achilles into the Trojan War. 3000 years later, Kardamyli is no less seductive. Its remoteness and tranquility made it an ideal venue for promoting the free exchange of ideas between various disciplines that do not normally interact. Through invited presen tations, informal poster discussions and working group sessions, the Workshop brought together leaders from the laboratory and space/astrophysics communities working on common problems of acceleration and radiation generation in plasmas. It was clear from the presentation and discussion sessions that there is a great deal of common ground between these disciplines which is not at first obvious due to the differing terminologies and types of observations available to each community. All of the papers in this Special Issue highlight the role collective plasma processes play in accelerating particles or generating radiation. Some are state-of-the-art presentations of the latest research in a single discipline, while others investi gate the applicability of known laboratory mechanisms to explain observations in natural plasmas. Notable among the latter are the papers by Marshall et al. on kHz radiation in the magnetosphere ; Barletta et al. on collective acceleration in solar flares; and by Dendy et al. on ion cyclotron emission. The papers in this Issue are organized as follows: In Section 1 are four general papers by Dawson, Galeev, Bingham et al. and Mon which serves as an introduction to the physical mechanisms of acceleration and radiation generation in plasmas. The next section includes state-of-the-art papers on laboratory accelerators driven by lasers (Nakajima et al., Shukla, Johnson et al.), microwaves (Nishida et al., Bogomolov et al.) and by particle beams (Ogata et al.). Also in this section are theoretical papers presenting new work on synchrotron like oscillations in plasma waves (Fedele) and two types of laboratory radiation sources, FEL's (Marshall et al.) and ionization fronts (Lai et al.), and Frantzeskakis et al. described the Hamiltonian analysis of a slow-wave autonomous cyclotron buncher. Section 3 contains papers on astrophysical plasmas, with the general presentations of Colgate and Krishnan. Kazanas and Krishnan address active galactic nuclei (AGNs). Thielheim discusses general acceleration mech anisms in rotating magnetized systems. Asseo discussed Langmuir solitons in pulsars and Blackman et al. treat magnetic reconnection relativistically. Su et al. analyze the possibility of plasma wave excitation and particle acceleration by neu trinos from supernovae. Dogiel et al. on cosmic ray scattering by MHD fluctuations. The papers in Section 4 treat fusion plasmas (Dendy et al. and Lashmore-Davies et al.). Section 5, space plasmas, includes papers on acceleration processes in the magnetosphere (Anagnostopoulos and Marshall et al.) and the sun (Barletta et al.). It is evident from the Workshop and the papers collected here that this is indeed a rich field of investigations and that both the natural and laboratory plasma communities can benefit from the cross-fertilization of ideas between them. We wish to thank the authors and attendees for their contributions to the success of this workshop, Dr Philip Debenham and Dr David Sutter of the U.S. D.o.E. and Dr Charles Roberson of the U.S. O.N.R. for their financial support (Grants DE-FGO3-93ER40776 and N00014-93-1-0814), and the ECC Twinning Grant SC1*-CT92-0773. We appreciate the considerable local support from Mr Glegles and his staff at the Agricultural Bank of Greece. We thank Mr V. Tataronis, mayor of Kardamyli, and members of the Kardamyli organizing committee and the community for their incredible hospitality. The excellent work of the Conference Secretaries, Ms Shirin Mistry and Mrs Sheila Shield is gratefully acknowledged. Finally, a special thank you goes to Mr S. C. Katsouleas who is so much more than our local organizing chairman.

SU-E-J-02: 4D Digital Tomosynthesis Based On Algebraic Image Reconstruction and Total-Variation Minimization for the Improvement of Image Quality

DOE Office of Scientific and Technical Information (OSTI.GOV)

Kim, D; Kang, S; Kim, T

2014-06-01

Purpose: In this paper, we implemented the four-dimensional (4D) digital tomosynthesis (DTS) imaging based on algebraic image reconstruction technique and total-variation minimization method in order to compensate the undersampled projection data and improve the image quality. Methods: The projection data were acquired as supposed the cone-beam computed tomography system in linear accelerator by the Monte Carlo simulation and the in-house 4D digital phantom generation program. We performed 4D DTS based upon simultaneous algebraic reconstruction technique (SART) among the iterative image reconstruction technique and total-variation minimization method (TVMM). To verify the effectiveness of this reconstruction algorithm, we performed systematic simulation studiesmore » to investigate the imaging performance. Results: The 4D DTS algorithm based upon the SART and TVMM seems to give better results than that based upon the existing method, or filtered-backprojection. Conclusion: The advanced image reconstruction algorithm for the 4D DTS would be useful to validate each intra-fraction motion during radiation therapy. In addition, it will be possible to give advantage to real-time imaging for the adaptive radiation therapy. This research was supported by Leading Foreign Research Institute Recruitment Program (Grant No.2009-00420) and Basic Atomic Energy Research Institute (BAERI); (Grant No. 2009-0078390) through the National Research Foundation of Korea(NRF) funded by the Ministry of Science, ICT and Future Planning (MSIP)« less

Analytic Solution of the Electromagnetic Eigenvalues Problem in a Cylindrical Resonator

DOE Office of Scientific and Technical Information (OSTI.GOV)

Checchin, Mattia; Martinello, Martina

Resonant accelerating cavities are key components in modern particles accelerating facilities. These take advantage of electromagnetic fields resonating at microwave frequencies to accelerate charged particles. Particles gain finite energy at each passage through a cavity if in phase with the resonating field, reaching energies even of the order of $TeV$ when a cascade of accelerating resonators are present. In order to understand how a resonant accelerating cavity transfers energy to charged particles, it is important to determine how the electromagnetic modes are exited into such resonators. In this paper we present a complete analytical calculation of the resonating fields formore » a simple cylindrical-shaped cavity.« less

Modeling dynamic plasmas driven by ultraintense nano-focused x-ray laser pulses in solid iron targets

NASA Astrophysics Data System (ADS)

Royle, Ryan; Sentoku, Yasuhiko; Mancini, Roberto

2017-10-01

The hard x-ray free electron laser has proven to be a valuable tool for high energy density (HED) physics as it is able to produce well-characterized samples of HED matter at exactly solid density and homogeneous temperatures. However, if the x-ray pulses are focused to sub-micron spot sizes, where peak intensities can exceed 1020 W/cm2, the plasmas driven by sources of non-thermal photoelectrons and Auger electrons can be highly dynamic and so cannot be modeled by atomic kinetics or fluid codes. We apply the 2D/3D particle-in-cell code, PICLS-which has been extended with numerous physics models to enable the simulation of XFEL-driven plasmas-to the modeling of such dynamic plasmas driven by nano-focused XFEL pulses in solid iron targets. In the case of the smallest focal spot investigated of just 100 nm in diameter, keV plasmas induce strong radial E-fields that accelerate keV ions radially as well as sheath fields that accelerate surface ions to hundreds of keV. The heated spot, which is initially larger than the laser spot due to the kinetic nature of the fast Auger electrons, expands as ion and electron waves propagate radially, leaving a low density region along the laser axis. This research was supported by the US DOE-OFES under Grant No. DE-SC0008827, the DOE-NNSA under Grant No. DE-NA0002075, and the JSPS KAKENHI under Grant No. JP15K21767.

75 FR 14555 - Announcement of Grant and Loan Application Deadlines and Funding Levels

Federal Register 2010, 2011, 2012, 2013, 2014

2010-03-26

... administrative requirements for grants pertaining to their organizational type in order to prepare the budget and... the work plan Up to 40 points. clearly articulates a well thought out comprehensive approach to...

The impact of intramural grants on educators' careers and on medical education innovation.

PubMed

Adler, Shelley R; Chang, Anna; Loeser, Helen; Cooke, Molly; Wang, Jason; Teherani, Arianne

2015-06-01

The University of California, San Francisco (UCSF), Haile T. Debas Academy of Medical Educators Innovations Funding program awards competitive grants to create novel curricula and faculty development programs, compare pedagogical approaches, and design learner assessment methods. The authors examined the principal investigators' (PIs') perceptions of the impact of these intramural grants on their careers and on medical education innovation. At 12 months (project completion) and 24 months (follow-up), PIs submit a progress report describing the impact of their grant on their careers, work with collaborators, subsequent funding, project dissemination, and the UCSF curriculum. The authors analyzed these reports using qualitative thematic analysis and achieved consensus in coding and interpretation through discussion. From 2001 to 2012, the program funded 77 PIs to lead 103 projects, awarding over $2.2 million. The authors analyzed reports from 88 grants (85.4%) awarded to 68 PIs (88.3%). PIs noted that the funding led to accelerated promotion, expanded networking opportunities, enhanced knowledge and skills, more scholarly publications and presentations, extramural funding, and local and national recognition. They also reported that the funding improved their status in their departments, enhanced their careers as medical educators, laid the foundation for subsequent projects, and engaged an array of stakeholders, including trainees and junior faculty. These modest intramural education grants not only created innovative, enduring programs but also promoted educators' professional identity formation, fostered collaborations, supported junior faculty in finding their desired career paths, provided advancement opportunities, and raised the local and national profiles of recipients.

Choosing order of operations to accelerate strip structure analysis in parameter range

NASA Astrophysics Data System (ADS)

Kuksenko, S. P.; Akhunov, R. R.; Gazizov, T. R.

2018-05-01

The paper considers the issue of using iteration methods in solving the sequence of linear algebraic systems obtained in quasistatic analysis of strip structures with the method of moments. Using the analysis of 4 strip structures, the authors have proved that additional acceleration (up to 2.21 times) of the iterative process can be obtained during the process of solving linear systems repeatedly by means of choosing a proper order of operations and a preconditioner. The obtained results can be used to accelerate the process of computer-aided design of various strip structures. The choice of the order of operations to accelerate the process is quite simple, universal and could be used not only for strip structure analysis but also for a wide range of computational problems.

Particle Acceleration in Active Galactic Nuclei

NASA Technical Reports Server (NTRS)

Miller, James A.

1997-01-01

The high efficiency of energy generation inferred from radio observations of quasars and X-ray observations of Seyfert active galactic nuclei (AGNs) is apparently achieved only by the gravitational conversion of the rest mass energy of accreting matter onto supermassive black holes. Evidence for the acceleration of particles to high energies by a central engine is also inferred from observations of apparent superluminal motion in flat spectrum, core-dominated radio sources. This phenomenon is widely attributed to the ejection of relativistic bulk plasma from the nuclei of active galaxies, and accounts for the existence of large scale radio jets and lobes at large distances from the central regions of radio galaxies. Reports of radio jets and superluminal motion from galactic black hole candidate X-ray sources indicate that similar processes are operating in these sources. Observations of luminous, rapidly variable high-energy radiation from active galactic nuclei (AGNs) with the Compton Gamma Ray Observatory show directly that particles are accelerated to high energies in a compact environment. The mechanisms which transform the gravitational potential energy of the infalling matter into nonthermal particle energy in galactic black hole candidates and AGNs are not conclusively identified, although several have been proposed. These include direct acceleration by static electric fields (resulting from, for example, magnetic reconnection), shock acceleration, and energy extraction from the rotational energy of Kerr black holes. The dominant acceleration mechanism(s) operating in the black hole environment can only be determined, of course, by a comparison of model predictions with observations. The purpose of the work proposed for this grant was to investigate stochastic particle acceleration through resonant interactions with plasma waves that populate the magnetosphere surrounding an accreting black hole. Stochastic acceleration has been successfully applied to the problem of ion and electron energization in solar flares, and is capable of accounting for a wide range of both neutral and charged particle emissions. It is also a component in diffusive shock acceleration, since pitch-angle scattering (which is necessary for multiple shock crossings) is accompanied by diffusion in momentum space, which in turn yields a net systematic energy gain; however, stochastic energization will dominate the first-order shock process only in certain parameter regimes. Although stochastic acceleration has been applied to particle energization in the lobes of radio galaxies, its application to the central regions of AGNs has only recently been considered, but not in detail. We proposed to systematically investigate the plasma processes responsible for stochastic particle acceleration in black hole magnetospheres along with the energy-loss processes which impede particle energization. To this end we calculated acceleration rates and escape time scales for protons and electrons resonating with Alfven waves, and for electrons resonating with whistlers. Assuming either a Kolmogorov or Kraichnan wave spectrum, accretion at the Eddington limit, magnetic field strengths near equipartition, and turbulence energy densities approx. 10% of the total magnetic field energy density, we find that Alfven waves accelerate protons to Lorentz factors approx, equals 10(exp 4) - 10(exp 6) before they escape from the system. Acceleration of electrons by fast mode and whistler waves can produce a nonthermal population of relativistic electrons whose maximum energy is determined by a competition with radiation losses.

Accretion Onto Supermassive Black Holes: Observational Signals from 3-Dimensional Disk Models

NASA Technical Reports Server (NTRS)

Bromley, Benjamin C.; Miller, Warner A.

2003-01-01

Our project was to model accretion flows onto supermassive black holes which reside in the centers of many galaxies. In this report we summarize the results which we obtained with the support of our NASA ATP grant. The scientific results associated with the grant are given in approximately chronological order. We also provide a list of references which acknowledge funding from this grant.

Experimental Investigation of the Effects of an Axial Magnetic Field on the Magneto-Rayleigh-Taylor Instability in Ablating Planar Foils

NASA Astrophysics Data System (ADS)

Yager-Elorriaga, D. A.; Patel, S. G.; Steiner, A. M.; Jordan, N. M.; Weiss, M. R.; Gilgenbach, R. M.; Lau, Y. Y.

2014-10-01

Experiments are underway to study the effects an axial magnetic field on the magneto-Rayleigh-Taylor instability (MRT) in ablating planar foils on the 1-MA LTD at the Michigan Accelerator for Inductive Z-pinch Experiments (MAIZE) facility at the University of Michigan. For 600 kA drive current, a 15 T axial magnetic field is produced using helical return current posts. During the current pulse, the magnetic field may diffuse into the foil, creating a sheared magnetic field along with the possibility of shear stabilization of the MRT instability. Theoretical investigation at UM has shown that a sheared azimuthal magnetic field coupled with an axial magnetic field reduces the MRT growth rate in general. In order to study this effect, the amount of magnetic shear is controlled by offsetting the initial position of the foil. A 775 nm Ti:sapphire laser will be used to shadowgraph the foil in order to measure the MRT growth rate. By comparing these results to previous experiments at UM, the effects of magnetic shear and an axial magnetic field will be determined. This work was supported by US DoE. S.G. Patel and A.M. Steiner supported by NPSC funded by Sandia. D.A. Yager-Elorriaga supported by NSF fellowship Grant DGE 1256260.

Finite-time robust control of uncertain fractional-order Hopfield neural networks via sliding mode control

NASA Astrophysics Data System (ADS)

Xi, Yangui; Yu, Yongguang; Zhang, Shuo; Hai, Xudong

2018-01-01

Not Available Project supported by the National Natural Science Foundation of China (Grant Nos. 11371049 and 61772063) and the Fundamental Research Funds for the Central Universities, China (Grant No. 2016JBM070).

Turbulence, Magnetic Reconnection in Turbulent Fluids and Energetic Particle Acceleration

NASA Astrophysics Data System (ADS)

Lazarian, A.; Vlahos, L.; Kowal, G.; Yan, H.; Beresnyak, A.; de Gouveia Dal Pino, E. M.

2012-11-01

Turbulence is ubiquitous in astrophysics. It radically changes many astrophysical phenomena, in particular, the propagation and acceleration of cosmic rays. We present the modern understanding of compressible magnetohydrodynamic (MHD) turbulence, in particular its decomposition into Alfvén, slow and fast modes, discuss the density structure of turbulent subsonic and supersonic media, as well as other relevant regimes of astrophysical turbulence. All this information is essential for understanding the energetic particle acceleration that we discuss further in the review. For instance, we show how fast and slow modes accelerate energetic particles through the second order Fermi acceleration, while density fluctuations generate magnetic fields in pre-shock regions enabling the first order Fermi acceleration of high energy cosmic rays. Very importantly, however, the first order Fermi cosmic ray acceleration is also possible in sites of magnetic reconnection. In the presence of turbulence this reconnection gets fast and we present numerical evidence supporting the predictions of the Lazarian and Vishniac (Astrophys. J. 517:700-718, 1999) model of fast reconnection. The efficiency of this process suggests that magnetic reconnection can release substantial amounts of energy in short periods of time. As the particle tracing numerical simulations show that the particles can be efficiently accelerated during the reconnection, we argue that the process of magnetic reconnection may be much more important for particle acceleration than it is currently accepted. In particular, we discuss the acceleration arising from reconnection as a possible origin of the anomalous cosmic rays measured by Voyagers as well as the origin cosmic ray excess in the direction of Heliotail.

Fast Algorithms for Estimating Mixture Parameters

DTIC Science & Technology

1989-08-30

The investigation is a two year project with the first year sponsored by the Army Research Office and the second year by the National Science Foundation (Grant... Science Foundation during the coming year. Keywords: Fast algorithms; Algorithms Mixture Distribution Random Variables. (KR)...numerical testing of the accelerated fixed-point method was completed. The work on relaxation methods will be done under the sponsorship of the National

Evaluative Study of M.A. Education Programmes of Teacher Education at Higher Education Level in Pakistan

ERIC Educational Resources Information Center

Fatima, Jabeen; Naseer Ud Din, Muhammad

2010-01-01

The study was aimed at evaluating the MA Education Programme of teacher education in Pakistan. Post-graduate teacher's training institutes in Pakistan grant the Master of Education (MA/M.Ed.), Master of Philosophy (M.Phil) and Doctor of Philosophy (Ph.D) post-graduate degrees in the field of education to enhance the careers and accelerate the…

ERIP Project No. 670, Nevada Energy Control Systems, Inc.. Final techincal progress report

DOE Office of Scientific and Technical Information (OSTI.GOV)

Kimber, D.J.

1998-02-11

In order to gauge the effectiveness of the ERIP Project No. 670, Nevada Energy Control Systems, Inc., Grant Number DE-FG01-96EE15670, the Statement of Work must be compared to the achievements by NECSI during the grant period. The following report reflects the aforementioned statement and is coordinated directly with it. The project goal is to gather data and test in order to validate earlier tests of energy savings,safety,reliability and practicality of the NECSI Evaporator Fan Controller in order to fully commercialize and market the product.

The effect of accelerated aging on the wear of UHMWPE.

PubMed

Sakoda, H; Fisher, J; Lu, S; Buchanan, F

2001-01-01

Oxidative degradation of UHMWPE has been found to be a cause of elevated wear rate of the polymer in total joint replacement leading to failure of these devices. In order to evaluate long term stability of polymers, various accelerated aging methods have been developed. In this study, wear rates of shelf aged UHMWPE and "accelerated aged" UHMWPE were compared using a multi-directional pin-on-plate wear test machine in order to evaluate the effect of the accelerated aging on wear. Wear factors of the aged materials were found to depend on their density, which is a measure of oxidation level. Finally, accelerated aging was calibrated against shelf aging in terms of wear rate. Copyright 2001 Kluwer Academic Publishers

The status of women cognitive scientists in Canada: Insights from publicly available NSERC funding data.

PubMed

Titone, Debra; Tiv, Mehrgol; Pexman, Penny M

2018-06-01

A crucial question within science and academia, and cognitive science specifically, is whether there is gender disparity in opportunity and advancement over the professional life span (e.g., Ceci, Ginther, Kahn, & Williams, 2014; Geraci, Balsis, & Busch, 2015; Valian, 1998). To investigate this question, we analyzed gender distributions in publicly available federal funding data from the Natural Sciences and Engineering Research Council (NSERC) of Canada that are specific to cognitive psychology and cognitive neuroscience. There were three key results. First, the proportion of women cognitive scientists progressively diminished at each career stage, particularly at the transition between graduate and postdoctoral studies. Second, female principal investigators (PI) received smaller average Discovery Grant amounts and were less likely to receive Discovery Accelerator Supplements as a proportion of all Discovery Grants funded. Finally, at the PI level, gender differences were relatively smaller for institution-initiated grants (i.e., Canada Research Chairs) versus investigator-initiated grants (i.e., Discovery Grants). It is our hope that presentation of such data, in concert with other recent reports for our field (e.g., Klatzky, Holt, & Behrmann, 2015; Peelle, 2016; Vaid & Geraci, 2016), continues to raise awareness that gender parity issues remain a concern that deserves ongoing attention within the field of cognitive science in Canada. (PsycINFO Database Record (c) 2018 APA, all rights reserved).

Use Of Value Engineering For Engineering And Design Of Airport Grant Projects

DOT National Transportation Integrated Search

1993-09-09

This advisory circular (AC) provides guidance for the use of value engineering : (VE) in airport projects funded under the Federal Aviation Administration's : (FAA) Airport Grant Program. Department of Transportation (DOT) Order 1395.1, : Use of Valu...

First-order reversal curve investigated magnetization switching in Pd/Co/Pd wedge film

NASA Astrophysics Data System (ADS)

Li, Yan; He, Wei; Sun, Rui; Gong, Zi-Zhao; Li, Na; Gul, Qeemat; Zhang, Xiang-Qun; Cheng, Zhao-Hua

2018-04-01

Not Available Project supported by the National Basic Research Program of China (Grant Nos. 2015CB921403 and 2016YFA0300701) and the National Natural Science Foundation of China (Grant Nos. 51427801, 11374350, and 51671212).

Variable Thickness Liquid Crystal Films for High Repetition Rate Laser Applications

NASA Astrophysics Data System (ADS)

Poole, Patrick; Willis, Christopher; Cochran, Ginevra; Hanna, Randall; Andereck, C. David; Schumacher, Douglass

2015-05-01

The presentation of a clean target or target substrate at high repetition rates is of importance to a number of photoelectron spectroscopy and free electron laser applications, often in high vacuum environments. Additionally, high intensity laser facilities are approaching the 10 Hz shot rate at petawatt powers, but are currently unable to insert targets at these rates. We have developed liquid crystal films to address this need for high rep rate targets while preserving the planar geometry advantageous to many applications. The molecular ordering of liquid crystal is variable with temperature and can be manipulated to form a layered thin film. In this way temperature and volume control can be used to vary film thickness in vacuo and on-demand between 10 nm and over 10 μm. These techniques were previously applied to a single-shot ion acceleration experiment in, where target thickness critically determines the physics of the acceleration. Here we present an automatic film formation device that utilizes a linear sliding rail to form liquid crystal films within the aforementioned range at rates up to 0.1 Hz. The design ensures film formation location within 2 μm RMS, well within the Rayleigh range of even short f-number systems. Details of liquid crystal films and this target formation device will be shown as well as recent experimental data from the Scarlet laser facility at OSU. This work was supported by DARPA through a grant from AMRDEC.

Adaptive Synchronization of Fractional Order Complex-Variable Dynamical Networks via Pinning Control

NASA Astrophysics Data System (ADS)

Ding, Da-Wei; Yan, Jie; Wang, Nian; Liang, Dong

2017-09-01

In this paper, the synchronization of fractional order complex-variable dynamical networks is studied using an adaptive pinning control strategy based on close center degree. Some effective criteria for global synchronization of fractional order complex-variable dynamical networks are derived based on the Lyapunov stability theory. From the theoretical analysis, one concludes that under appropriate conditions, the complex-variable dynamical networks can realize the global synchronization by using the proper adaptive pinning control method. Meanwhile, we succeed in solving the problem about how much coupling strength should be applied to ensure the synchronization of the fractional order complex networks. Therefore, compared with the existing results, the synchronization method in this paper is more general and convenient. This result extends the synchronization condition of the real-variable dynamical networks to the complex-valued field, which makes our research more practical. Finally, two simulation examples show that the derived theoretical results are valid and the proposed adaptive pinning method is effective. Supported by National Natural Science Foundation of China under Grant No. 61201227, National Natural Science Foundation of China Guangdong Joint Fund under Grant No. U1201255, the Natural Science Foundation of Anhui Province under Grant No. 1208085MF93, 211 Innovation Team of Anhui University under Grant Nos. KJTD007A and KJTD001B, and also supported by Chinese Scholarship Council

DOE Office of Scientific and Technical Information (OSTI.GOV)

Hanada, M., E-mail: hanada.masaya@jaea.go.jp; Kojima, A.; Tobari, H.

In order to realize negative ion sources and accelerators to be applicable to International Thermonuclear Experimental Reactor and JT-60 Super Advanced, a large cesium (Cs)-seeded negative ion source and a multi-aperture and multi-stage electric acceleration have been developed at Japan Atomic Energy Agency (JAEA). Long pulse production and acceleration of the negative ion beams have been independently carried out. The long pulse production of the high current beams has achieved 100 s at the beam current of 15 A by modifying the JT-60 negative ion source. The pulse duration time is increased three times longer than that before the modification.more » As for the acceleration, a pulse duration time has been also extended two orders of magnitudes from 0.4 s to 60 s. The developments of the negative ion source and acceleration at JAEA are well in progress towards the realization of the negative ion sources and accelerators for fusion applications.« less

Roadmap to the Future

NASA Astrophysics Data System (ADS)

Colby, Eric R.; Len, L. K.

Most particle accelerators today are expensive devices found only in the largest laboratories, industries, and hospitals. Using techniques developed nearly a century ago, the limiting performance of these accelerators is often traceable to material limitations, power source capabilities, and the cost tolerance of the application. Advanced accelerator concepts aim to increase the gradient of accelerators by orders of magnitude, using new power sources (e.g. lasers and relativistic beams) and new materials (e.g. dielectrics, metamaterials, and plasmas). Worldwide, research in this area has grown steadily in intensity since the 1980s, resulting in demonstrations of accelerating gradients that are orders of magnitude higher than for conventional techniques. While research is still in the early stages, these techniques have begun to demonstrate the potential to radically change accelerators, making them much more compact, and extending the reach of these tools of science into the angstrom and attosecond realms. Maturation of these techniques into robust, engineered devices will require sustained interdisciplinary, collaborative R&D and coherent use of test infrastructure worldwide. The outcome can potentially transform how accelerators are used.

Roadmap to the Future

NASA Astrophysics Data System (ADS)

Colby, Eric R.; Len, L. K.

Most particle accelerators today are expensive devices found only in the largest laboratories, industries, and hospitals. Using techniques developed nearly a century ago, the limiting performance of these accelerators is often traceable to material limitations, power source capabilities, and the cost tolerance of the application. Advanced accelerator conceptsa aim to increase the gradient of accelerators by orders of magnitude, using new power sources (e.g. lasers and relativistic beams) and new materials (e.g. dielectrics, metamaterials, and plasmas). Worldwide, research in this area has grown steadily in intensity since the 1980s, resulting in demonstrations of accelerating gradients that are orders of magnitude higher than for conventional techniques. While research is still in the early stages, these techniques have begun to demonstrate the potential to radically change accelerators, making them much more compact, and extending the reach of these tools of science into the angstrom and attosecond realms. Maturation of these techniques into robust, engineered devices will require sustained interdisciplinary, collaborative R&D and coherent use of test infrastructure worldwide. The outcome can potentially transform how accelerators are used.

7 CFR 3403.1 - Applicability of regulations.

Code of Federal Regulations, 2010 CFR

2010-01-01

... research or research and development in order to stimulate technological innovation, use small business to..., AND EXTENSION SERVICE, DEPARTMENT OF AGRICULTURE SMALL BUSINESS INNOVATION RESEARCH GRANTS PROGRAM... business innovation research grants awarded under the general authority of section 630 of the Act making...

7 CFR 1902.1 - General.

Code of Federal Regulations, 2010 CFR

2010-01-01

... Office grant program managers. (i) Automated systems referred to in this instruction refers to the loan accounting systems; e.g., Program Loan Accounting System, Automated Multi-Housing Accounting System, and Dedicated Loan Origination System, from which loan and grant disbursements are ordered. (j) This subpart...

First-order shock acceleration in solar flares

NASA Technical Reports Server (NTRS)

Ellison, D. C.; Ramaty, R.

1985-01-01

The first order Fermi shock acceleration model is compared with specific observations where electron, proton, and alpha particle spectra are available. In all events, it is found that a single shock with a compression ratio as inferred from the low energy proton spectra can reasonably produce the full proton, electron, and alpha particle spectra. The model predicts that the acceleration time to a given energy will be approximately equal for electrons and protons and, for reasonable solar parameters, can be less than 1 sec to 100 MeV.

Repulsive Effect for Unbound High Energy Particles Along Rotation Axis in Kerr-Taub-NUT Spacetime

NASA Astrophysics Data System (ADS)

Zhang, Lu; Chen, Song-Bai

2018-04-01

We have investigated the acceleration of the unbound high energy particles moving along the rotation axis in the Kerr-Taub-NUT spacetime, and then study the dependence of the repulsive effects on the NUT charge for the particles in the spacetime. Whether the repulsive effects with the NUT charge become stronger depends on the Carter constant, the position and velocity of the particles themselves. We also present numerically the changes of the observable velocity and acceleration with the NUT charge for the unbound particles in the Kerr-Taub-NUT spacetime. Supported by the Scientific Research Fund of Hunan Provincial Education Department under Grant No. 17A124, and the Construct Program of Key Disciplines in Hunan Province

New Targets for New Accelerators

NASA Astrophysics Data System (ADS)

Frentz, Bryce; Manukyan, Khachatur; Aprahamian, Ani

2013-10-01

New accelerators, such as the 5 MV Sta Ana accelerator at the University of Notre Dame, will produce more powerful beams up to 100's of μAmps. These accelerators require a complete rethinking of target preparation since the high intensity of such beams would melt conventional targets. Traditionally, accelerator targets are made with a tantalum backing because of its high atomic mass. However, tantalum is brittle, a poor conductor, and, if produced commercially, often contains impurities (e.g. fluorine) that produce undesirable background and reaction products. Tungsten, despite its brittle structure and poor conductivity, has a high atomic mass and lacks impurities, making it a more desirable backing. In conjunction with tungsten's properties, copper is robust and a far superior thermal conductor. We describe a new method of reactive joining that we developed for creating targets that use the advantageous properties of both tungsten and copper. This process involved placing a reactive mixture between tungsten and copper and applying a load force. The mixture is then ignited, and while under pressure, the system produces conditions to join the materials. We present our investigation to optimize the process of reactive joining, as well as some of the final target's properties. This work was supported by the National Science Foundation under Grant PHY-1068192.

77 FR 55499 - Certain Light-Emitting Diodes and Products Containing Same; Commission Determination Not To...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-09-10

...Notice is hereby given that the U.S. International Trade Commission has determined not to review the presiding administrative law judge's (``ALJ'') initial determination (``ID'') (Order No. 38) granting the joint motion to terminate the above-captioned investigation in its entirety on the basis of a settlement agreement. In view of that determination, the Commission finds that review of another ID (Order No. 36), which granted leave to amend the complaint and notice of investigation, is moot.

Novel Chalcogenide Materials for X-ray and Gamma-ray Detection

DTIC Science & Technology

2016-05-01

53 Novel Chalcogenide Materials for x-ray and y-ray Detection Distribution Statement A. Approved for public release; distribution is unlimited. 0...TITLE AND SUBTITLE Sa. CONTRACT NUMBER Novel Chalcogenide Materials for x-ray and y-ray Detection Sb. GRANT NUMBER HDTRA 1-09-1-0044 Sc. PROGRAM...heavy atom chalcogenide family of semiconductors for room temperature gamma radiation detection . Its goal was to accelerate nuclear detector material

Efficiency Evaluations of U.S. Public Higher Education and Effects of State Funding and Pell Grants: Panel Data Estimates Using Two Stage Data Envelopment Analysis, 2004-2013 Academic Years

ERIC Educational Resources Information Center

Sav, G. Thomas

2017-01-01

The Great Recession induced by the financial crisis accelerated the decades of declining state funding support for U.S. public higher education, while simultaneously bringing increased political pressures for demonstrating improvements in the operating efficiencies among all universities and colleges. The purpose of this paper is twofold. First,…

Schools to Watch: School Transformation Network, a U.S. Deparment of Education Investing in Innovation (i3) Development Grant. Final Evaluation Report

ERIC Educational Resources Information Center

Grantee Submission, 2015

2015-01-01

The Schools to Watch: School Transformation Network Project is a whole school reform model designed to improve the educational practices, experiences, and outcomes of low-performing middle-grades schools. Developed by the National Forum to Accelerate Middle-Grades Reform, the four-year project was funded in 2010 by a U.S. Department of Education…

Accelerating the Rate-Limiting Step in Novel Enzymatic Carbohydrate-to-Hydrogen Technology by Enzyme Engineering

DTIC Science & Technology

2011-10-30

stable phosphoglucose isomerase through immobilization of cellulose-binding module-tagged thermophilic enzyme on low- cost high-capacity celiulosic...NOVEL ENZYMATIC CARBOHYDRATE-TO-HYDROGEN TECHNOLOGY BY ENZYME ENGINEERING Grant/Contract Number: FA9550-08-1-0145 Program Manager: Dr. Walt...bbtransformation (SyPaB) is the implementation of complicated biochemical reactions by in vitro assembly of enzyme and coenzymes. Different from in vivo

HIGH VOLTAGE ION SOURCE

DOEpatents

Luce, J.S.

1960-04-19

A device is described for providing a source of molecular ions having a large output current and with an accelerated energy of the order of 600 kv. Ions are produced in an ion source which is provided with a water-cooled source grid of metal to effect maximum recombination of atomic ions to molecular ions. A very high accelerating voltage is applied to withdraw and accelerate the molecular ions from the source, and means are provided for dumping the excess electrons at the lowest possible potentials. An accelerating grid is placed adjacent to the source grid and a slotted, grounded accelerating electrode is placed adjacent to the accelerating grid. A potential of about 35 kv is maintained between the source grid and accelerating grid, and a potential of about 600 kv is maintained between the accelerating grid and accelerating electrode. In order to keep at a minimum the large number of oscillating electrons which are created when such high voltages are employed in the vicinity of a strong magnetic field, a plurality of high voltage cascaded shields are employed with a conventional electron dumping system being employed between each shield so as to dump the electrons at the lowest possible potential rather than at 600 kv.

Measurements of the spatial structure and directivity of 100 KeV photon sources in solar flares using PVO and ISEE-3 spacecraft

NASA Technical Reports Server (NTRS)

Anderson, Kinsey A.

1991-01-01

The objective of this grant was to measure the spatial structure and directivity of the hard X-ray and low energy gamma-ray (100 keV-2 MeV) continuum sources in solar flares using stereoscopic observations made with spectrometers aboard the Pioneer Venus Orbiter (PVO) and Third International Sun Earth Explorer (ISEE-3) spacecraft. Since the hard X-ray emission is produced by energetic electrons through the bremsstrahlung process, the observed directivity can be directly related to the 'beaming' of electrons accelerated during the flare as they propagate from the acceleration region in the corona to the chromosphere/transition region. Some models (e.g., the thick-target model) predict that most of the impulsive hard X-ray/low energy gamma-ray source is located in the chromosphere, the effective height of the X-ray source above the photosphere increasing with the decrease in the photon energy. This can be verified by determining the height-dependence of the photon source through stereoscopic observations of those flares which are partially occulted from the view of one of the two spacecraft. Thus predictions about beaming of electrons as well as their spatial distributions could be tested through the analysis proposed under this grant.

Magnetic field aligned orderly arrangement of Fe3O4 nanoparticles in CS/PVA/Fe3O4 membranes

NASA Astrophysics Data System (ADS)

Du, Meng; Cao, Xing-Zhong; Xia, Rui; Zhou, Zhong-Po; Jin, Shuo-Xue; Wang, Bao-Yi

2018-02-01

Not Available Project supported by the National Natural Science Foundation of China (Grant Nos. 11475197, 11575205, 11404100, and 11304083) and the Key Scientific and Technological Project of Henan Province, China (Grant No. 102102210186).

42 CFR 136.313 - Evaluation and grant awards.

Code of Federal Regulations, 2010 CFR

2010-10-01

... manpower deficiencies; (5) The soundness of the fiscal plan for assuring effective utilization of grant... following order or priority: (1) Indian tribes, (2) tribal organizations, (3) urban Indian organizations and other Indian health organizations, and (4) public and other nonprofit profit private health or...

10 CFR 26.59 - Authorization reinstatement.

Code of Federal Regulations, 2014 CFR

2014-01-01

... 10 Energy 1 2014-01-01 2014-01-01 false Authorization reinstatement. 26.59 Section 26.59 Energy NUCLEAR REGULATORY COMMISSION FITNESS FOR DUTY PROGRAMS Granting and Maintaining Authorization § 26.59 Authorization reinstatement. (a) In order to grant authorization to an individual whose authorization has been...

10 CFR 26.59 - Authorization reinstatement.

Code of Federal Regulations, 2012 CFR

2012-01-01

... 10 Energy 1 2012-01-01 2012-01-01 false Authorization reinstatement. 26.59 Section 26.59 Energy NUCLEAR REGULATORY COMMISSION FITNESS FOR DUTY PROGRAMS Granting and Maintaining Authorization § 26.59 Authorization reinstatement. (a) In order to grant authorization to an individual whose authorization has been...

10 CFR 26.59 - Authorization reinstatement.

Code of Federal Regulations, 2013 CFR

2013-01-01

... 10 Energy 1 2013-01-01 2013-01-01 false Authorization reinstatement. 26.59 Section 26.59 Energy NUCLEAR REGULATORY COMMISSION FITNESS FOR DUTY PROGRAMS Granting and Maintaining Authorization § 26.59 Authorization reinstatement. (a) In order to grant authorization to an individual whose authorization has been...

10 CFR 26.59 - Authorization reinstatement.

Code of Federal Regulations, 2011 CFR

2011-01-01

... 10 Energy 1 2011-01-01 2011-01-01 false Authorization reinstatement. 26.59 Section 26.59 Energy NUCLEAR REGULATORY COMMISSION FITNESS FOR DUTY PROGRAMS Granting and Maintaining Authorization § 26.59 Authorization reinstatement. (a) In order to grant authorization to an individual whose authorization has been...

10 CFR 26.59 - Authorization reinstatement.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 10 Energy 1 2010-01-01 2010-01-01 false Authorization reinstatement. 26.59 Section 26.59 Energy NUCLEAR REGULATORY COMMISSION FITNESS FOR DUTY PROGRAMS Granting and Maintaining Authorization § 26.59 Authorization reinstatement. (a) In order to grant authorization to an individual whose authorization has been...

Apodized grating coupler using fully-etched nanostructures

NASA Astrophysics Data System (ADS)

Wu, Hua; Li, Chong; Li, Zhi-Yong; Guo, Xia

2016-08-01

A two-dimensional apodized grating coupler for interfacing between single-mode fiber and photonic circuit is demonstrated in order to bridge the mode gap between the grating coupler and optical fiber. The grating grooves of the grating couplers are realized by columns of fully etched nanostructures, which are utilized to digitally tailor the effective refractive index of each groove in order to obtain the Gaussian-like output diffractive mode and then enhance the coupling efficiency. Compared with that of the uniform grating coupler, the coupling efficiency of the apodized grating coupler is increased by 4.3% and 5.7%, respectively, for the nanoholes and nanorectangles as refractive index tunes layer. Project supported by the National Natural Science Foundation of China (Grant Nos. 61222501, 61335004, and 61505003), the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20111103110019), the Postdoctoral Science Foundation of Beijing Funded Project, China (Grant No. Q6002012201502), and the Science and Technology Research Project of Jiangxi Provincial Education Department, China (Grant No. GJJ150998).

A Simplified Model for the Acceleration of Cosmic Ray Particles

ERIC Educational Resources Information Center

Gron, Oyvind

2010-01-01

Two important questions concerning cosmic rays are: Why are electrons in the cosmic rays less efficiently accelerated than nuclei? How are particles accelerated to great energies in ultra-high energy cosmic rays? In order to answer these questions we construct a simple model of the acceleration of a charged particle in the cosmic ray. It is not…

Accelerated approval of oncology products: the food and drug administration experience.

PubMed

Johnson, John R; Ning, Yang-Min; Farrell, Ann; Justice, Robert; Keegan, Patricia; Pazdur, Richard

2011-04-20

We reviewed the regulatory history of the accelerated approval process and the US Food and Drug Administration (FDA) experience with accelerated approval of oncology products from its initiation in December 11, 1992, to July 1, 2010. The accelerated approval regulations allowed accelerated approval of products to treat serious or life-threatening diseases based on surrogate endpoints that are reasonably likely to predict clinical benefit. Failure to complete postapproval trials to confirm clinical benefit with due diligence could result in removal of the accelerated approval indication from the market. From December 11, 1992, to July 1, 2010, the FDA granted accelerated approval to 35 oncology products for 47 new indications. Clinical benefit was confirmed in postapproval trials for 26 of the 47 new indications, resulting in conversion to regular approval. The median time between accelerated approval and regular approval of oncology products was 3.9 years (range = 0.8-12.6 years) and the mean time was 4.7 years, representing a substantial time savings in terms of earlier availability of drugs to cancer patients. Three new indications did not show clinical benefit when confirmatory postapproval trials were completed and were subsequently removed from the market or had restricted distribution plans implemented. Confirmatory trials were not completed for 14 new indications. The five longest intervals from receipt of accelerated approval to July 1, 2010, without completion of trials to confirm clinical benefit were 10.5, 6.4, 5.5, 5.5, and 4.7 years. The five longest intervals between accelerated approval and successful conversion to regular approval were 12.6, 9.7, 8.1, 7.5, and 7.4 years. Trials to confirm clinical benefit should be part of the drug development plan and should be in progress at the time of an application seeking accelerated approval to prevent an ineffective drug from remaining on the market for an unacceptable time.

Simulations of Flame Acceleration and DDT in Mixture Composition Gradients

NASA Astrophysics Data System (ADS)

Zheng, Weilin; Kaplan, Carolyn; Houim, Ryan; Oran, Elaine

2017-11-01

Unsteady, multidimensional, fully compressible numerical simulations of methane-air in an obstructed channel with spatial gradients in equivalence ratios have been carried to determine the effects of the gradients on flame acceleration and transition to detonation. Results for gradients perpendicular to the propagation direction were considered here. A calibrated, optimized chemical-diffusive model that reproduces correct flame and detonation properties for methane-air over a range of equivalence ratios was derived from a combination of a genetic algorithm with a Nelder-Mead optimization scheme. Inhomogeneous mixtures of methane-air resulted in slower flame acceleration and longer distance to DDT. Detonations were more likely to decouple into a flame and a shock under sharper concentration gradients. Detailed analyses of temperature and equivalence ratio illustrated that vertical gradients can greatly affect the formation of hot spots that initiate detonation by changing the strength of leading shock wave and local equivalence ratio near the base of obstacles. This work is supported by the Alpha Foundation (Grant No. AFC215-20).

CASPAR - Nuclear Astrophysics Underground

NASA Astrophysics Data System (ADS)

Senarath, Chamaka; Caspar Collaboration

2017-09-01

The CASPAR mainly focuses on Stellar Nucleosynthesis, its impact on the production of heavy elements and study the strength of stellar neutron sources that propels the s-process, 13C(α,n)16O and 22Ne(α,n)25Mg. Currently, implementation of a 1MV fully refurbished Van de Graaff accelerator that can provide a high intensity Î+/- beam, is being done at the Sanford Underground Research Facility (SURF). The accelerator is built among a collaboration of South Dakota School of Mines and Technology, University of Notre Dame and Colorado School of Mines. It is understood that cosmic ray neutron background radiation hampers experimental Nucleosynthesis studies, hence the need to go underground in search for a neutron free environment, to study these reactions at low energies is evident. The first beam was produced in the middle of summer 2017. The entire accelerator will be run before the end of this year. A detailed overview of goals of CASPAR will be presented. NFS Grant-1615197.

Pulse Front Tilt and Laser Plasma Acceleration

NASA Astrophysics Data System (ADS)

Mittelberger, Daniel; Thévenet, Maxence; Nakamura, Kei; Lehe, Remi; Gonsalves, Anthony; Benedetti, Carlo; Leemans, Wim

2017-10-01

Pulse front tilt (PFT) is potentially present in any CPA laser system, but its effects may be overlooked because spatiotemporal pulse characterization is considerably more involved than measuring only spatial or temporal profile. PFT is particularly important for laser plasma accelerators (LPA) because it influences electron beam injection and steering. In this work, experimental results from the BELLA Center will be presented that demonstrate the effect of optical grating misalignment and optical compression, resulting in PFT, on accelerator performance. Theoretical models of laser and electron beam steering will be introduced based on particle-in-cell simulations showing distortion of the plasma wake. Theoretical predictions will be compared with experiments and complimentary simulations, and tolerances on PFT and optical compressor alignment will be developed as a function of LPA performance requirements. This work was supported by the Office of High Energy Physics, Office of Science, US Department of Energy under Contract DE-AC02-05CH11231 and the National Science Foundation under Grant PHY-1415596.

Investigation of self-induced transparency in laser-solid interaction

NASA Astrophysics Data System (ADS)

Paradkar, Bhooshan; Krasheninnikov, Sergei; Beg, Farhat

2017-10-01

Interaction of an intense laser beam with a thin (

Risk factors for head injury events in professional rugby union: a video analysis of 464 head injury events to inform proposed injury prevention strategies.

PubMed

Tucker, Ross; Raftery, Martin; Kemp, Simon; Brown, James; Fuller, Gordon; Hester, Ben; Cross, Matthew; Quarrie, Ken

2017-08-01

The tackle is responsible for the majority of head injuries during rugby union. In order to address head injury risk, risk factors during the tackle must first be identified. This study analysed tackle characteristics in the professional game in order to inform potential interventions. 464 tackles resulting in a head injury assessment (HIA) were analysed in detail, with tackle type, direction, speed, acceleration, nature of head contact and player body position the characteristics of interest. Propensity to cause an HIA was significantly greater for active shoulder tackles, front-on tackles, high speeder tackles and an accelerating tackler. Head contact between a tackler's head and ball carrier's head or shoulder was significantly more likely to cause an HIA than contact below the level of the shoulder (incident rate ratio (IRR) 4.25, 95%-CI 3.38 to 5.35). The tackler experiences the majority (78%) of HIAs when head-to-head contact occurs. An upright tackler was 1.5 times more likely to experience an HIA than a bent at the waist tackler (IRR 1.44, 95% CI 1.18 to 1.76). This study confirms that energy transfer in the tackle is a risk factor for head injury, since direction, type and speed all influence HIA propensity. The study provides evidence that body position and the height of tackles should be a focus for interventions, since lowering height and adopting a bent at the waist body position is associated with reduced risk for both tacklers and ball carriers. To this end, World Rugby has implemented law change based on the present data. © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.

28 CFR 33.53 - Participation by faith-based organizations.

Code of Federal Regulations, 2010 CFR

2010-07-01

... 28 Judicial Administration 1 2010-07-01 2010-07-01 false Participation by faith-based... GRANT PROGRAMS Criminal Justice Block Grants Additional Requirements § 33.53 Participation by faith... standards set forth in part 38 (Equal Treatment for Faith-based Organizations) of this chapter. [Order No...

28 CFR 33.53 - Participation by faith-based organizations.

Code of Federal Regulations, 2013 CFR

2013-07-01

... 28 Judicial Administration 1 2013-07-01 2013-07-01 false Participation by faith-based... GRANT PROGRAMS Criminal Justice Block Grants Additional Requirements § 33.53 Participation by faith... standards set forth in part 38 (Equal Treatment for Faith-based Organizations) of this chapter. [Order No...

28 CFR 33.53 - Participation by faith-based organizations.

Code of Federal Regulations, 2011 CFR

2011-07-01

... 28 Judicial Administration 1 2011-07-01 2011-07-01 false Participation by faith-based... GRANT PROGRAMS Criminal Justice Block Grants Additional Requirements § 33.53 Participation by faith... standards set forth in part 38 (Equal Treatment for Faith-based Organizations) of this chapter. [Order No...

28 CFR 33.53 - Participation by faith-based organizations.

Code of Federal Regulations, 2012 CFR

2012-07-01

... 28 Judicial Administration 1 2012-07-01 2012-07-01 false Participation by faith-based... GRANT PROGRAMS Criminal Justice Block Grants Additional Requirements § 33.53 Participation by faith... standards set forth in part 38 (Equal Treatment for Faith-based Organizations) of this chapter. [Order No...

28 CFR 33.53 - Participation by faith-based organizations.

Code of Federal Regulations, 2014 CFR

2014-07-01

... 28 Judicial Administration 1 2014-07-01 2014-07-01 false Participation by faith-based... GRANT PROGRAMS Criminal Justice Block Grants Additional Requirements § 33.53 Participation by faith... standards set forth in part 38 (Equal Treatment for Faith-based Organizations) of this chapter. [Order No...

76 FR 37774 - Announcement of Value-Added Producer Grant Application Deadlines

Federal Register 2010, 2011, 2012, 2013, 2014

2011-06-28

...-Based Business Ventures develop strategies to create marketing opportunities and to help develop Business Plans for viable marketing opportunities regarding production of bio-based products from... Capital Grants directly related to the processing and/or marketing of value-added products. In order to...

76 FR 51435 - Post Office Closing

Federal Register 2010, 2011, 2012, 2013, 2014

2011-08-18

... POSTAL REGULATORY COMMISSION [Docket No. A2011-44; Order No. 800] Post Office Closing AGENCY... the closing of the Grant, Iowa post office has been filed. It identifies preliminary steps and... determination to close the post office in Grant, Iowa. The petition was filed by Laurenda Mifflin (Petitioner...

Linear and nonlinear optical properties of Sb-doped GeSe2 thin films

NASA Astrophysics Data System (ADS)

Zhang, Zhen-Ying; Chen, Fen; Lu, Shun-Bin; Wang, Yong-Hui; Shen, Xiang; Dai, Shi-Xun; Nie, Qiu-Hua

2015-06-01

Sb-doped GeSe2 chalcogenide thin films are prepared by the magnetron co-sputtering method. The linear optical properties of as-deposited films are derived by analyzing transmission spectra. The refractive index rises and the optical band gap decreases from 2.08 eV to 1.41 eV with increasing the Sb content. X-ray photoelectron spectra further confirm the formation of a covalent Sb-Se bond. The third-order nonlinear optical properties of thin films are investigated under femtosecond laser excitation at 800 nm. The results show that the third-order nonlinear optical properties are enhanced with increasing the concentration of Sb. The nonlinear refraction indices of these thin films are measured to be on the order of 10-18 m2/W with a positive sign and the nonlinear absorption coefficients are obtained to be on the order of 10-10 m/W. These excellent properties indicate that Sb-doped Ge-Se films have a good prospect in the applications of nonlinear optical devices. Project supported by the National Key Basic Research Program of China (Grant No. 2012CB722703), the National Natural Science Foundation of China (Grant No. 61377061), the Young Leaders of Academic Climbing Project of the Education Department of Zhejiang Province, China (Grant No. pd2013092), the Program for Innovative Research Team of Ningbo City, China (Grant No. 2009B217), and the K. C. Wong Magna Fund in Ningbo University, China.

Multimodality Prediction of Chaotic Time Series with Sparse Hard-Cut EM Learning of the Gaussian Process Mixture Model

NASA Astrophysics Data System (ADS)

Zhou, Ya-Tong; Fan, Yu; Chen, Zi-Yi; Sun, Jian-Cheng

2017-05-01

The contribution of this work is twofold: (1) a multimodality prediction method of chaotic time series with the Gaussian process mixture (GPM) model is proposed, which employs a divide and conquer strategy. It automatically divides the chaotic time series into multiple modalities with different extrinsic patterns and intrinsic characteristics, and thus can more precisely fit the chaotic time series. (2) An effective sparse hard-cut expectation maximization (SHC-EM) learning algorithm for the GPM model is proposed to improve the prediction performance. SHC-EM replaces a large learning sample set with fewer pseudo inputs, accelerating model learning based on these pseudo inputs. Experiments on Lorenz and Chua time series demonstrate that the proposed method yields not only accurate multimodality prediction, but also the prediction confidence interval. SHC-EM outperforms the traditional variational learning in terms of both prediction accuracy and speed. In addition, SHC-EM is more robust and insusceptible to noise than variational learning. Supported by the National Natural Science Foundation of China under Grant No 60972106, the China Postdoctoral Science Foundation under Grant No 2014M561053, the Humanity and Social Science Foundation of Ministry of Education of China under Grant No 15YJA630108, and the Hebei Province Natural Science Foundation under Grant No E2016202341.

Cluster-impact fusion, or beam-contaminant fusion? (abstract)a),b)

NASA Astrophysics Data System (ADS)

Lo, Daniel H.; Petrasso, Richard D.; Wenzel, Kevin W.

1992-10-01

Beuhler, Friedlander, and Friedman (BFF) reported anomalously huge D-D fusion rates while bombarding deuterated targets with (D2O)N+ clusters (N˜25-1000) accelerated to ≊325 keV [R. J. Beuhler et al., Phys. Rev. Lett. 63, 1292 (1989); R. J. Beuhler et al., J. Phys. Chem. 94, 7665 (1990)] [i.e., ≊0.3 keV lab energy for D in (D2O)100+]. However, from our analysis of BFF's fusion product spectra, we conclude that their D lab energy was ˜50 keV. Therefore, no gross anomalies exist. Also, from our analysis of the BFF beam-ranging experiments through 500 μg/cm2 of Au, we conclude that light-ion-beam contaminants (e.g., D+ of order 100 keV) have not been ruled out, and are the probable cause of their fusion reactions. This work was supported by LLNL Subcontract B116798, Department of Energy (DOE) Grant No. DE-FG02-91ER54109, DOE Magnetic Fusion Energy Technology Fellowship Program (D. H. Lo), and DOE Fusion Energy Postdoctoral Research Program (Kevin W. Wenzel).

Constraints on Galactic Cosmic-Ray Origins from Elemental Composition Measurements

NASA Astrophysics Data System (ADS)

Binns, W. R.; Christian, E. R.; Cummings, A. C.; Denolfo, G. A.; Israel, M. H.; Lave, K. A.; Leske, R. A.; Mewaldt, R. A.; Stone, E. C.; von Rosenvinge, T. T.; Wiedenbeck, M. E.

2017-01-01

We present measurements of the abundances of ultra-heavy (Z>29) cosmic rays made by the CRIS instrument on NASA's Advanced Composition Explorer satellite. The data set corresponds to 6413 days of data collection between December 4, 1997 and May 31, 2016. The charge resolution that we obtain is excellent, exhibiting essentially complete separation of adjacent charges in the Z>28 range. We detected 196 events over the charge range of Z =30-40. Our measured abundances show that the ordering of refractory and volatile elements with atomic mass is greatly improved when compared to a mix of massive star outflow and SN ejecta with normal ISM, rather than pure ISM. Additionally, the refractory and volatile elements have similar slopes and refractory elements are preferentially accelerated by a factor of 4. The measured abundances support a model in which 20% of cosmic ray source material is from massive star outflow and ejecta and 80% is from normal ISM. Our abundances show generally good agreement with the TIGER and SuperTIGER results. This research is supported by NASA under Grant # NNX13AH66G.

Stability of catechins in green tea nutraceutical products: application of solid phase extraction-thin layer chromatography densitometry.

PubMed

Abd-Elsalam, Heba-Alla H; Al-Ghobashy, Medhat A; Zaazaa, Hala E; Ibrahim, Mohamed A

2014-08-01

Epigallocatechin gallate (EGCG) is a powerful antioxidant and commonly used nutraceutical. Accelerated stability of EGCG in tablet formulations was investigated. LLE and SPE were employed for sample clean-up and enrichment of EGCG over caffeine. Samples were analysed after spiking with fixed concentration of gallic acid (GA), in order to verify reproducibility of analysis. A TLC-densitometric assay was developed and validated for determination of % loss EGCG. EGCG, GA and caffeine were resolved with Rf values 0.54, 0.69 and 0.80, respectively. LC-MS/MS was used to verify identity and purity of the EGCG band. Determination was carried out over a concentration range of 0.50-5.00μg/band and 0.20-2.40μg/band for GA and caffeine, respectively. Results showed significant reduction in EGCG content after one, three and six months: 24.00%, 28.00% and 52.00% respectively. Results continue to demonstrate that stability of nutraceutical products should be investigated in-depth using industry-oriented protocols before granting marketing authorisation. Copyright © 2014 Elsevier Ltd. All rights reserved.

How to apply for research grants in allergology.

PubMed

Guillen-Grima, Francisco; Annan, James W; Alvarez, José María Negro; Gómez, José Miguel Sáez; Ontoso, Enrique Aguinaga

2009-01-01

This is a guide for grant application for researchers seeking research grants in the field of allergy and related diseases for the first time. It outlines how to organize proposals and the potential issues to be considered in order to fulfil the criteria of the funding bodies and thus improve chances of obtaining the desired funding when applying for a research grant. We will use this paper as an example of a grant proposal to be presented to the FIS "Fondo de Investigación Sanitaria" (Health Research Fund) of Spain. The general framework can be used for a research proposal to any funding agency. The main research designs are reviewed. Other topics such as hypothesis, objectives, methodology, ethics and legal issues, and budget are presented.

Effects of Shock and Turbulence Properties on Electron Acceleration

NASA Astrophysics Data System (ADS)

Qin, G.; Kong, F.-J.; Zhang, L.-H.

2018-06-01

Using test particle simulations, we study electron acceleration at collisionless shocks with a two-component model turbulent magnetic field with slab component including dissipation range. We investigate the importance of the shock-normal angle θ Bn, magnetic turbulence level {(b/{B}0)}2, and shock thickness on the acceleration efficiency of electrons. It is shown that at perpendicular shocks the electron acceleration efficiency is enhanced with the decrease of {(b/{B}0)}2, and at {(b/{B}0)}2=0.01 the acceleration becomes significant due to a strong drift electric field with long time particles staying near the shock front for shock drift acceleration (SDA). In addition, at parallel shocks the electron acceleration efficiency is increasing with the increase of {(b/{B}0)}2, and at {(b/{B}0)}2=10.0 the acceleration is very strong due to sufficient pitch-angle scattering for first-order Fermi acceleration, as well as due to the large local component of the magnetic field perpendicular to the shock-normal angle for SDA. On the other hand, the high perpendicular shock acceleration with {(b/{B}0)}2=0.01 is stronger than the high parallel shock acceleration with {(b/{B}0)}2=10.0, the reason might be the assumption that SDA is more efficient than first-order Fermi acceleration. Furthermore, for oblique shocks, the acceleration efficiency is small no matter whether the turbulence level is low or high. Moreover, for the effect of shock thickness on electron acceleration at perpendicular shocks, we show that there exists the bendover thickness, L diff,b. The acceleration efficiency does not noticeably change if the shock thickness is much smaller than L diff,b. However, if the shock thickness is much larger than L diff,b, the acceleration efficiency starts to drop abruptly.

High power tests of an electroforming cavity operating at 11.424 GHz

NASA Astrophysics Data System (ADS)

Dolgashev, V. A.; Gatti, G.; Higashi, Y.; Leonardi, O.; Lewandowski, J. R.; Marcelli, A.; Rosenzweig, J.; Spataro, B.; Tantawi, S. G.; Yeremian, D. A.

2016-03-01

The achievement of ultra high accelerating gradients is mandatory in order to fabricate compact accelerators at 11.424 GHz for scientific and industrial applications. An extensive experimental and theoretical program to determine a reliable ultra high gradient operation of the future linear accelerators is under way in many laboratories. In particular, systematic studies on the 11.424 GHz frequency accelerator structures, R&D on new materials and the associated microwave technology are in progress to achieve accelerating gradients well above 120 MeV/m. Among the many, the electroforming procedure is a promising approach to manufacture high performance RF devices in order to avoid the high temperature brazing and to produce precise RF structures. We report here the characterization of a hard high gradient RF accelerating structure at 11.424 GHz fabricated using the electroforming technique. Low-level RF measurements and high power RF tests carried out at the SLAC National Accelerator Laboratory on this prototype are presented and discussed. In addition, we present also a possible layout where the water-cooling of irises based on the electroforming process has been considered for the first time.

45 CFR 1340.10 - Purpose of this subpart.

Code of Federal Regulations, 2010 CFR

2010-10-01

..., DEPARTMENT OF HEALTH AND HUMAN SERVICES THE ADMINISTRATION FOR CHILDREN, YOUTH AND FAMILIES, CHILD ABUSE AND NEGLECT PREVENTION AND TREATMENT PROGRAM CHILD ABUSE AND NEGLECT PREVENTION AND TREATMENT Grants to States... meet in order to receive grants to develop, strengthen, and carry out State child abuse and neglect...

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Federal Register 2010, 2011, 2012, 2013, 2014

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28 CFR 31.101 - Designation of State agency.

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2010-07-01

...) of the JJDP Act. States must have available for review a copy of the State law or executive order... 28 Judicial Administration 1 2010-07-01 2010-07-01 false Designation of State agency. 31.101 Section 31.101 Judicial Administration DEPARTMENT OF JUSTICE OJJDP GRANT PROGRAMS Formula Grants Eligible...

24 CFR 107.15 - Definitions.

Code of Federal Regulations, 2013 CFR

2013-04-01

... grant or donation of Federal property and interests in property; (3) the sale, lease, and rental of, and... by such sale or lease to the recipient, when such order granting permission accompanies the sale, lease, or rental of Federal properties; (4) loans in whole or in part insured, guaranteed, or otherwise...

45 CFR 1340.10 - Purpose of this subpart.

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2013-10-01

..., DEPARTMENT OF HEALTH AND HUMAN SERVICES THE ADMINISTRATION FOR CHILDREN, YOUTH AND FAMILIES, CHILD ABUSE AND NEGLECT PREVENTION AND TREATMENT PROGRAM CHILD ABUSE AND NEGLECT PREVENTION AND TREATMENT Grants to States... meet in order to receive grants to develop, strengthen, and carry out State child abuse and neglect...

45 CFR 1340.10 - Purpose of this subpart.

Code of Federal Regulations, 2011 CFR

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..., DEPARTMENT OF HEALTH AND HUMAN SERVICES THE ADMINISTRATION FOR CHILDREN, YOUTH AND FAMILIES, CHILD ABUSE AND NEGLECT PREVENTION AND TREATMENT PROGRAM CHILD ABUSE AND NEGLECT PREVENTION AND TREATMENT Grants to States... meet in order to receive grants to develop, strengthen, and carry out State child abuse and neglect...

45 CFR 1340.10 - Purpose of this subpart.

Code of Federal Regulations, 2014 CFR

2014-10-01

..., DEPARTMENT OF HEALTH AND HUMAN SERVICES THE ADMINISTRATION FOR CHILDREN, YOUTH AND FAMILIES, CHILD ABUSE AND NEGLECT PREVENTION AND TREATMENT PROGRAM CHILD ABUSE AND NEGLECT PREVENTION AND TREATMENT Grants to States... meet in order to receive grants to develop, strengthen, and carry out State child abuse and neglect...

45 CFR 1340.10 - Purpose of this subpart.

Code of Federal Regulations, 2012 CFR

2012-10-01

..., DEPARTMENT OF HEALTH AND HUMAN SERVICES THE ADMINISTRATION FOR CHILDREN, YOUTH AND FAMILIES, CHILD ABUSE AND NEGLECT PREVENTION AND TREATMENT PROGRAM CHILD ABUSE AND NEGLECT PREVENTION AND TREATMENT Grants to States... meet in order to receive grants to develop, strengthen, and carry out State child abuse and neglect...

2 CFR 225.10 - Authority.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 2 Grants and Agreements 1 2010-01-01 2010-01-01 false Authority. 225.10 Section 225.10 Grants and Agreements OFFICE OF MANAGEMENT AND BUDGET CIRCULARS AND GUIDANCE Reserved COST PRINCIPLES FOR STATE, LOCAL... Executive Order No. 11541 (“Prescribing the Duties of the Office of Management and Budget and the Domestic...

10 CFR 26.53 - General provisions.

Code of Federal Regulations, 2014 CFR

2014-01-01

... 10 Energy 1 2014-01-01 2014-01-01 false General provisions. 26.53 Section 26.53 Energy NUCLEAR REGULATORY COMMISSION FITNESS FOR DUTY PROGRAMS Granting and Maintaining Authorization § 26.53 General provisions. (a) In order to grant authorization to an individual, a licensee or other entity shall ensure...

10 CFR 26.53 - General provisions.

Code of Federal Regulations, 2012 CFR

2012-01-01

... 10 Energy 1 2012-01-01 2012-01-01 false General provisions. 26.53 Section 26.53 Energy NUCLEAR REGULATORY COMMISSION FITNESS FOR DUTY PROGRAMS Granting and Maintaining Authorization § 26.53 General provisions. (a) In order to grant authorization to an individual, a licensee or other entity shall ensure...

10 CFR 26.53 - General provisions.

Code of Federal Regulations, 2013 CFR

2013-01-01

... 10 Energy 1 2013-01-01 2013-01-01 false General provisions. 26.53 Section 26.53 Energy NUCLEAR REGULATORY COMMISSION FITNESS FOR DUTY PROGRAMS Granting and Maintaining Authorization § 26.53 General provisions. (a) In order to grant authorization to an individual, a licensee or other entity shall ensure...

75 FR 64699 - Grant of Authority for Subzone Status; VF Corporation (Apparel, Footwear and Luggage Distribution...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-10-20

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Federal Register 2010, 2011, 2012, 2013, 2014

2010-07-01

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10 CFR 26.53 - General provisions.

Code of Federal Regulations, 2011 CFR

2011-01-01

... 10 Energy 1 2011-01-01 2011-01-01 false General provisions. 26.53 Section 26.53 Energy NUCLEAR REGULATORY COMMISSION FITNESS FOR DUTY PROGRAMS Granting and Maintaining Authorization § 26.53 General provisions. (a) In order to grant authorization to an individual, a licensee or other entity shall ensure...

10 CFR 26.53 - General provisions.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 10 Energy 1 2010-01-01 2010-01-01 false General provisions. 26.53 Section 26.53 Energy NUCLEAR REGULATORY COMMISSION FITNESS FOR DUTY PROGRAMS Granting and Maintaining Authorization § 26.53 General provisions. (a) In order to grant authorization to an individual, a licensee or other entity shall ensure...

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2014-07-01

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Handbook on Effective Implementation of School Improvement Grants

ERIC Educational Resources Information Center

Perlman, Carole L., Ed.; Redding, Sam, Ed.

2011-01-01

The purpose of this "Handbook" is to bolster the effective implementation of the intervention models and strategies outlined in the "2010 School Improvement Grant" (SIG) program--section 1003(g) of the Elementary and Secondary Education Act (ESEA)--in order to achieve the program's clear goal--rapid improvement of persistently…

38 CFR 61.14 - Selecting applications for capital grants.

Code of Federal Regulations, 2010 CFR

2010-07-01

... capital grants. (a) Applicants will first be grouped in categories according to the funding priorities set... applicable. The highest-ranked applications for which funding is available, within highest priority funding... ranked order, as determined under § 61.13 of this part. If funding priorities have been established and...

Acceleration of objects to high velocity by electromagnetic forces

DOEpatents

Post, Richard F

2017-02-28

Two exemplary approaches to the acceleration of projectiles are provided. Both approaches can utilize concepts associated with the Inductrack maglev system. Either of them provides an effective means of accelerating multi-kilogram projectiles to velocities of several kilometers per second, using launchers of order 10 meters in length, thus enabling the acceleration of projectiles to high velocities by electromagnetic forces.

5 CFR 838.1005 - Applications by former spouse.

Code of Federal Regulations, 2010 CFR

2010-01-01

... REGULATIONS (CONTINUED) COURT ORDERS AFFECTING RETIREMENT BENEFITS Court Orders Affecting Civil Service.... (b) The application letter must be accompanied by— (1) A certified copy of the court order granting benefits under CSRS; and (2) A statement that the court order has not been amended, superseded, or set...

Photoproduction of Multiply-Strange Hyperons at CLAS

DOE Office of Scientific and Technical Information (OSTI.GOV)

Price, John

The activities of the California State University, Dominguez Hills (CSUDH) Hadronic Structure Laboratory, undertaken with the support of the U.S. Department of Energy's Office of Science under grant DE-FG02-07ER41525, are described. This grant was originally awarded in 2007, and then renewed in 2009 and 2012, before it expired in 2015. The work was performed primarily at the home institution on the CSUDH campus in Carson, CA. A significant portion of the work was carried out at the Thomas Jefferson National Accelerator Facility (JLab) in Newport News, VA. The work covered in this award involves the study of the structure ofmore » the proton, which is done indirectly by looking at the Ξ particle. This is a particle with a spin and spatial structure similar to that of the proton, but with a different quark structure. Their properties are expected to be related due to SU(3) F symmetry. Additional work performed under this grant involved the construction of the High Threshold Cherenkov Counter, which was done by CSUDH undergraduate students in collaboration with JLab staff scientists.« less

Development of the negative ion beams relevant to ITER and JT-60SA at Japan Atomic Energy Agency.

PubMed

Hanada, M; Kojima, A; Tobari, H; Nishikiori, R; Hiratsuka, J; Kashiwagi, M; Umeda, N; Yoshida, M; Ichikawa, M; Watanabe, K; Yamano, Y; Grisham, L R

2016-02-01

In order to realize negative ion sources and accelerators to be applicable to International Thermonuclear Experimental Reactor and JT-60 Super Advanced, a large cesium (Cs)-seeded negative ion source and a multi-aperture and multi-stage electric acceleration have been developed at Japan Atomic Energy Agency (JAEA). Long pulse production and acceleration of the negative ion beams have been independently carried out. The long pulse production of the high current beams has achieved 100 s at the beam current of 15 A by modifying the JT-60 negative ion source. The pulse duration time is increased three times longer than that before the modification. As for the acceleration, a pulse duration time has been also extended two orders of magnitudes from 0.4 s to 60 s. The developments of the negative ion source and acceleration at JAEA are well in progress towards the realization of the negative ion sources and accelerators for fusion applications.

A Study of the Influence of the New Careers in Nursing Program on the Culture of Participating Schools of Nursing. New Careers in Nursing. Research Report. ETS RR-15-28

ERIC Educational Resources Information Center

Millett, Catherine M.; Kevelson, Marisol J. C.

2015-01-01

In 2014, ETS conducted a study investigating how the New Careers in Nursing (NCIN) program may have influenced the culture of participating schools of nursing. Select schools of nursing received grants from the Robert Wood Johnson Foundation to provide scholarships and support services for students in accelerated nursing programs. Case studies…

78 FR 39429 - Self-Regulatory Organizations; NASDAQ OMX PHLX LLC; Order Granting Approval To Proposed Rule...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-07-01

... public customer, broker-dealer, or any other entity (a ``PIXL Order'') against principal interest or... Auction for simple orders). \\5\\ A Complex Order is defined as ``an order involving the simultaneous... ``Complex Order PAN responses'') and trading interest at a price or prices that improve the stop price to a...

Thinking Science: A Way to Change Teacher Practice in Order to Raise Students' Ability to Think

ERIC Educational Resources Information Center

Hueppauff, Sonia

2016-01-01

This article describes key facets of the Cognitive Acceleration through Science Education (CASE), a curriculum that emerged in the United Kingdom, enabling teachers to accelerate the process of cognitive development so that more students could attain the higher-order thinking skills (formal operational thinking) required (Lecky, 2012). CASE, also…

Vibration environment - Acceleration mapping strategy and microgravity requirements for Spacelab and Space Station

NASA Technical Reports Server (NTRS)

Martin, Gary L.; Baugher, Charles R.; Delombard, Richard

1990-01-01

In order to define the acceleration requirements for future Shuttle and Space Station Freedom payloads, methods and hardware characterizing accelerations on microgravity experiment carriers are discussed. The different aspects of the acceleration environment and the acceptable disturbance levels are identified. The space acceleration measurement system features an adjustable bandwidth, wide dynamic range, data storage, and ability to be easily reconfigured and is expected to fly on the Spacelab Life Sciences-1. The acceleration characterization and analysis project describes the Shuttle acceleration environment and disturbance mechanisms, and facilitates the implementation of the microgravity research program.

Particle Acceleration in Mildly Relativistic Shearing Flows: The Interplay of Systematic and Stochastic Effects, and the Origin of the Extended High-energy Emission in AGN Jets

DOE Office of Scientific and Technical Information (OSTI.GOV)

Liu, Ruo-Yu; Rieger, F. M.; Aharonian, F. A., E-mail: ruoyu@mpi-hd.mpg.de, E-mail: frank.rieger@mpi-hd.mpg.de, E-mail: aharon@mpi-hd.mpg.de

The origin of the extended X-ray emission in the large-scale jets of active galactic nuclei (AGNs) poses challenges to conventional models of acceleration and emission. Although electron synchrotron radiation is considered the most feasible radiation mechanism, the formation of the continuous large-scale X-ray structure remains an open issue. As astrophysical jets are expected to exhibit some turbulence and shearing motion, we here investigate the potential of shearing flows to facilitate an extended acceleration of particles and evaluate its impact on the resultant particle distribution. Our treatment incorporates systematic shear and stochastic second-order Fermi effects. We show that for typical parametersmore » applicable to large-scale AGN jets, stochastic second-order Fermi acceleration, which always accompanies shear particle acceleration, can play an important role in facilitating the whole process of particle energization. We study the time-dependent evolution of the resultant particle distribution in the presence of second-order Fermi acceleration, shear acceleration, and synchrotron losses using a simple Fokker–Planck approach and provide illustrations for the possible emergence of a complex (multicomponent) particle energy distribution with different spectral branches. We present examples for typical parameters applicable to large-scale AGN jets, indicating the relevance of the underlying processes for understanding the extended X-ray emission and the origin of ultrahigh-energy cosmic rays.« less

Laser-driven electron beam acceleration and future application to compact light sources

NASA Astrophysics Data System (ADS)

Hafz, N.; Jeong, T. M.; Lee, S. K.; Pae, K. H.; Sung, J. H.; Choi, I. W.; Yu, T. J.; Jeong, Y. U.; Lee, J.

2009-07-01

Laser-driven plasma accelerators are gaining much attention by the advanced accelerator community due to the potential these accelerators hold in miniaturizing future high-energy and medium-energy machines. In the laser wakefield accelerator (LWFA), the ponderomotive force of an ultrashort high intensity laser pulse excites a longitudinal plasma wave or bubble. Due to huge charge separation, electric fields created in the plasma bubble can be several orders of magnitude higher than those available in conventional microwave and RF-based accelerator facilities which are limited (up to ˜100 MV/m) by material breakdown. Therefore, if an electron bunch is injected into the bubble in phase with its field, it will gain relativistic energies within an extremely short distance. Here, in the LWFA we show the generation of high-quality and high-energy electron beams up to the GeV-class within a few millimeters of gas-jet plasmas irradiated by tens of terawatt ultrashort laser pulses. Thus we realize approximately four orders of magnitude acceleration gradients higher than available by conventional technology. As a practical application of the stable high-energy electron beam generation, we are planning on injecting the electron beams into a few-meters long conventional undulator in order to realize compact X-ray synchrotron (immediate) and FEL (future) light sources. Stable laser-driven electron beam and radiation devices will surely open a new era in science, medicine and technology and will benefit a larger number of users in those fields.

10 CFR 430.56 - Decision and order.

Code of Federal Regulations, 2010 CFR

2010-01-01

... Exemptions § 430.56 Decision and order. (a) Upon consideration of the application and other relevant information received or obtained, the Secretary shall issue an order granting or denying the application. (b) The order shall include a written statement setting forth the relevant facts and the legal basis of...

10 CFR 501.124 - Decision and order.

Code of Federal Regulations, 2010 CFR

2010-01-01

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Automatic external filling for the ion source gas bottle of a Van de Graaff accelerator

NASA Astrophysics Data System (ADS)

Strivay, D.; Bastin, T.; Dehove, C.; Dumont, P. D.; Marchal, A.; Garnir, H.; Weber, G.

1997-09-01

We describe a fully automatic system we developed to fill, from an external gas bottle, the ion source terminal gas storage bottle of a 2 MV Van de Graaff accelerator without depressing the 25 bar insulating gas. The system is based on a programmable automate ordering electropneumatical valves. The only manual operation is the connection of the external gas cylinder. The time needed for a gas change is reduced to typically 15 min (depending on the residual pressure wished for the gas removed from the terminal bottle). To check this system we study the ionic composition of the ion beam delivered by our accelerator after different gas changes. The switching magnet of our accelerator was used to analyse the ionic composition of the accelerated beams in order to verify the degree of elimination of the previous gases in the system.

Dynamic Agents of Magnetosphere-Ionosphere Coupling

NASA Technical Reports Server (NTRS)

Khazanov, George V.; Rowland, Douglas E.; Moore, Thomas E.; Collier, Michael

2011-01-01

VISIONS sounding rocket mission (VISualizing Ion Outflow via Neutral atom imaging during a Substorm) has been awarded to NASA/GSFC (PI Rowland) in order to provide the first combined remote sensing and in situ measurements of the regions where ion acceleration to above 5 e V is occurring, and of the sources of free energy and acceleration mechanisms that accelerate the ions. The key science question of VISIONS is how, when, and where, are ions accelerated to escape velocities in the auroral zone below 1000 km, following substorm onset? Sources of free energy that power this ion acceleration process include (but not limited) electron precipitation, field-aligned currents, velocity shears, and Alfvenic Poynting flux. The combine effect of all these processes on ionospheric ion outflows will be investigated in a framework of the kinetic model that has been developed by Khazanov et al. in order to study the polar wind transport in the presence of photoelectrons.

Stochastic coalescence in finite systems: an algorithm for the numerical solution of the multivariate master equation.

NASA Astrophysics Data System (ADS)

Alfonso, Lester; Zamora, Jose; Cruz, Pedro

2015-04-01

The stochastic approach to coagulation considers the coalescence process going in a system of a finite number of particles enclosed in a finite volume. Within this approach, the full description of the system can be obtained from the solution of the multivariate master equation, which models the evolution of the probability distribution of the state vector for the number of particles of a given mass. Unfortunately, due to its complexity, only limited results were obtained for certain type of kernels and monodisperse initial conditions. In this work, a novel numerical algorithm for the solution of the multivariate master equation for stochastic coalescence that works for any type of kernels and initial conditions is introduced. The performance of the method was checked by comparing the numerically calculated particle mass spectrum with analytical solutions obtained for the constant and sum kernels, with an excellent correspondence between the analytical and numerical solutions. In order to increase the speedup of the algorithm, software parallelization techniques with OpenMP standard were used, along with an implementation in order to take advantage of new accelerator technologies. Simulations results show an important speedup of the parallelized algorithms. This study was funded by a grant from Consejo Nacional de Ciencia y Tecnologia de Mexico SEP-CONACYT CB-131879. The authors also thanks LUFAC® Computacion SA de CV for CPU time and all the support provided.

Anisotropic Stochastic Vortex Structure Method for Simulating Particle Collision in Turbulent Shear Flows

NASA Astrophysics Data System (ADS)

Dizaji, Farzad; Marshall, Jeffrey; Grant, John; Jin, Xing

2017-11-01

Accounting for the effect of subgrid-scale turbulence on interacting particles remains a challenge when using Reynolds-Averaged Navier Stokes (RANS) or Large Eddy Simulation (LES) approaches for simulation of turbulent particulate flows. The standard stochastic Lagrangian method for introducing turbulence into particulate flow computations is not effective when the particles interact via collisions, contact electrification, etc., since this method is not intended to accurately model relative motion between particles. We have recently developed the stochastic vortex structure (SVS) method and demonstrated its use for accurate simulation of particle collision in homogeneous turbulence; the current work presents an extension of the SVS method to turbulent shear flows. The SVS method simulates subgrid-scale turbulence using a set of randomly-positioned, finite-length vortices to generate a synthetic fluctuating velocity field. It has been shown to accurately reproduce the turbulence inertial-range spectrum and the probability density functions for the velocity and acceleration fields. In order to extend SVS to turbulent shear flows, a new inversion method has been developed to orient the vortices in order to generate a specified Reynolds stress field. The extended SVS method is validated in the present study with comparison to direct numerical simulations for a planar turbulent jet flow. This research was supported by the U.S. National Science Foundation under Grant CBET-1332472.

Symmetry Reductions, Integrability and Solitary Wave Solutions to High-Order Modified Boussinesq Equations with Damping Term

NASA Astrophysics Data System (ADS)

Yan, Zhen-Ya; Xie, Fu-Ding; Zhang, Hong-Qing

2001-07-01

Both the direct method due to Clarkson and Kruskal and the improved direct method due to Lou are extended to reduce the high-order modified Boussinesq equation with the damping term (HMBEDT) arising in the general Fermi-Pasta-Ulam model. As a result, several types of similarity reductions are obtained. It is easy to show that the nonlinear wave equation is not integrable under the sense of Ablowitz's conjecture from the reduction results obtained. In addition, kink-shaped solitary wave solutions, which are of important physical significance, are found for HMBEDT based on the obtained reduction equation. The project supported by National Natural Science Foundation of China under Grant No. 19572022, the National Key Basic Research Development Project Program of China under Grant No. G1998030600 and Doctoral Foundation of China under Grant No. 98014119

Preliminary Evaluation of the Impact of the Section 1603 Treasury Grant Program on Renewable Energy Deployment in 2009

DOE Office of Scientific and Technical Information (OSTI.GOV)

Bolinger, Mark; Wiser, Ryan; Darghouth, Naim

Federal support for renewable energy deployment in the United States has traditionally been delivered primarily through tax benefits, including the production tax credit ('PTC') in Section 45 of the U.S. tax code, investment tax credits ('ITC') in Sections 25D and 48, and accelerated tax depreciation in Section 168. Many renewable power project developers are unable to use the majority of these tax benefits directly or immediately, however, and have therefore often relied on third-party 'tax equity' investors for the necessary investment capital in order to monetize the available tax benefits. As has been well-publicized, most of these tax equity investorsmore » were hit hard by the global financial crisis that unfolded in the last months of 2008 and, as a result, most either withdrew from the renewable power market at that time or reduced their available investment capital. This left a significant financing gap beginning in late 2008, and placed at some risk the continued near-term growth of renewable energy supply in the U.S. In recognition of these developments, the U.S. Congress passed two stimulus bills - The Energy Improvement and Extension Act ('the Extension Act') in October 2008 and The American Recovery and Reinvestment Act ('the Recovery Act') in February 2009 - parts of which were intended to address the growing shortage of finance for renewable power projects. Most notably, Section 1603 of the Recovery Act enables qualifying commercial renewable energy projects to choose between the Section 45 PTC, the Section 48 ITC, or a cash grant of equal value to the Section 48 ITC (i.e., 30% of the project's eligible basis in most cases). By giving developers the option to receive a 30% cash grant (administered by the U.S. Department of the Treasury) in lieu of either the ITC or the PTC, Congress hoped to 'temporarily fill the gap created by the diminished investor demand for tax credits,' and thereby achieve 'the near term goal of creating and retaining jobs - as well as the long-term benefit of expanding the use of clean and renewable energy and decreasing our dependency on non-renewable energy sources' (U.S. Department of the Treasury 2009). More than a year has now passed since the Recovery Act became law. Although the Section 1603 program has been operational for only part of that time - roughly eight months - the program faces a looming milestone in just another nine months. Specifically, in order to qualify for the Section 1603 grant, eligible projects must have commenced construction by the end of 2010. With this deadline approaching, the Committee on Ways and Means of the U.S. House of Representatives requested that Lawrence Berkeley National Laboratory evaluate the effectiveness of the Section 1603 grant program to date (see Attachment 1), focusing on specific elements of the program that were subsequently agreed upon by Committee staff, the U.S. Department of Energy, and Berkeley Lab. This report responds to the Committee's request. The evaluation focuses primarily on the commercial wind power sector, for two reasons: (1) commercial wind power projects had received nearly 86% of all grant money awarded as of March 1, 2010; and (2) there is substantially more market-related information available for the commercial wind power sector than there is for other renewable power sectors, thereby facilitating analysis. Despite the focus on wind power, this initial analysis does endeavor to provide relevant information on other technologies, and in particular geothermal (the second-largest recipient of grant money), where possible.« less

Accelerated transport and growth with symmetrized dynamics

NASA Astrophysics Data System (ADS)

Merikoski, Juha

2013-12-01

In this paper we consider a model of accelerated dynamics with the rules modified from those of the recently proposed [Dong et al., Phys. Rev. Lett. 109, 130602 (2012), 10.1103/PhysRevLett.109.130602] accelerated exclusion process (AEP) such that particle-vacancy symmetry is restored to facilitate a mapping to a solid-on-solid growth model in 1+1 dimensions. In addition to kicking a particle ahead of the moving particle, as in the AEP, in our model another particle from behind is drawn, provided it is within the "distance of interaction" denoted by ℓmax. We call our model the doubly accelerated exclusion process (DAEP). We observe accelerated transport and interface growth and widening of the cluster size distribution for cluster sizes above ℓmax, when compared with the ordinary totally asymmetric exclusion process (TASEP). We also characterize the difference between the TASEP, AEP, and DAEP by computing a "staggered" order parameter, which reveals the local order in the steady state. This order in part explains the behavior of the particle current as a function of density. The differences of the steady states are also reflected by the behavior of the temporal and spatial correlation functions in the interface picture.

RXTE Observation of the Tycho Supernova Remnant

NASA Technical Reports Server (NTRS)

The, Lih-Sin

1998-01-01

SN1006 [4] and Cas A [1, 9] supernova remnants have been shown convincingly to have a hard X-ray power-law continuum. This continuum is thought to be the synchrotron radiation from accelerated electrons of approx. 100 TeV at the shock fronts. Our goal of AO2 RXTE observation is to detect the hard X-ray continuum and to determine the nature of the continuum from Tycho SNR. A detection of a power-law continuum from Tycho SNR can strongly argue for SNRs are the source of cosmic rays with the first order Fermi acceleration as the energizing process. We report the results of our AO2 RXTE 1 x 10(exp 5) sec observation of Tycho SNR. We detect two components of the X-ray spectrum from Tycho SNR both at better than 3 omega confidence. The best two component models are: bremsstrahlung (kT=2.67 +/- 0.13 keV) + bremsstrahlung (kT=7.07 +/- 2.21/1.72 keV) or bremsstrahlung (kT=2.36 +/- 0.21/0.57 keV) + power-law (gamma=2.58 +/- 0.12/0.09 ). This result is an improvement compaxed with the previous most sensitive X-ray measurements by Ginga which shows Tycho's observed X-ray continuum requires a two-component model to yield acceptable fits with the hard component parameters being highly uncertain. Our RXTE measurements constrain all parameter within 3o, ranges. However, we cannot yet distinguish between thermal and nonthermal models for the hard component. In the followings, we describe what we accomplished in the period covered by the grant proposal.

Cellular Basis for ADT-Induced Acceleration of Sarcopenia

DTIC Science & Technology

2015-10-01

fractures due to 1) the already high incidence of bone metastasis and 2) ADT-induced acceleration in osteoporosis emphasizes the need for other therapies...acceleration in osteoporosis emphasizes the need for other therapies. In order to devise effective therapies, an understanding as to how ADT results in severe

Desperately seeking cancer drugs: explaining the emergence and outcomes of accelerated pharmaceutical regulation.

PubMed

Davis, Courtney; Abraham, John

2011-07-01

Government regulators have increasingly accelerated new cancer drugs on to the market by granting them approval based on less clinical data supporting drug efficacy than permitted under standard regulations. With more lenient regulatory standards, pharmaceutical companies have keenly sought to develop cancer drugs. Focusing on the US, this article examines how the emergence and implementation of such accelerated approvals should be understood, particularly in relation to corporate bias and disease-politics theories. Drawing on longitudinal and case study data analysis, it is argued that the emergence of accelerated approval regulations for cancer drugs should be regarded primarily as part of a deregulatory regime driven by the interests of the pharmaceutical industry in partnership with all major aspects of the state, rather than as a response to patient activism in the aftermath of AIDS. Furthermore, even in cases when some patients successfully demand accelerated marketing approval of cancer drugs, such approval by regulators, while in manufacturers' interests, may not be in the interests of patients' health because the political culture of the regulatory agency is reluctant to uphold its own techno-regulatory standards of public-health protection when that would challenge the agenda-setting influence of manufacturers, including industry collaborations with patients and the medical profession. © 2011 The Authors. Sociology of Health & Illness © 2011 Foundation for the Sociology of Health & Illness/Blackwell Publishing Ltd.

7 CFR 1944.409 - Executive Order 12372.

Code of Federal Regulations, 2010 CFR

2010-01-01

...) PROGRAM REGULATIONS (CONTINUED) HOUSING Self-Help Technical Assistance Grants § 1944.409 Executive Order 12372. The self-help program is subject to the provision of Executive Order 12372 which requires... Agriculture Regulations of the Department of Agriculture (Continued) RURAL HOUSING SERVICE, RURAL BUSINESS...

7 CFR 966.71 - Granting exemptions.

Code of Federal Regulations, 2010 CFR

2010-01-01

... and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE TOMATOES GROWN IN FLORIDA Order...'s immediate production area and that the grade, size, or quality of the applicant's tomatoes have... expectation. Each certificate shall permit the producer to handle the amount of tomatoes specified thereon...

34 CFR 692.111 - For what purposes may a State use its payment under the GAP Program?

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2010-07-01

... establish a partnership to award grants to eligible students in order to increase the amount of financial... Educational Statistics. (c) Institutional participation. (1) A State receiving an allotment under this subpart... their potential eligibility for student financial assistance, including a LEAP Grant under GAP, to...

75 FR 22584 - Energy Conservation Program for Consumer Products: Decision and Order Granting a Waiver to...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-04-29

... moisture. According to the petitioner, Electrolux's technology is similar to that used by General Electric...-012) that grants to Electrolux Home Products, Inc. (Electrolux) a waiver from the DOE electric... alternate test procedure that takes this technology into account when measuring energy consumption. DATES...

77 FR 68755 - Decision and Order Granting a Waiver Granted to Samsung Electronics America, Inc. From the...

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2012-11-16

... procedures that are reasonably designed to produce results that measure energy efficiency, energy use, and... petitioner's basic model contains one or more design characteristics that prevent testing according to the... unrepresentative of its true energy consumption as to provide materially inaccurate comparative data. 10 CFR 431...

48 CFR 52.209-7 - Information Regarding Responsibility Matters.

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2010-10-01

... connection with performance of a Federal contract or grant. It does not include agency actions such as... with total value greater than $10,000,000 means— (1) The total value of all current, active contracts and grants, including all priced options; and (2) The total value of all current, active orders...

48 CFR 52.209-7 - Information Regarding Responsibility Matters.

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2011-10-01

... connection with performance of a Federal contract or grant. It does not include agency actions such as... with total value greater than $10,000,000 means— (1) The total value of all current, active contracts and grants, including all priced options; and (2) The total value of all current, active orders...

75 FR 76952 - Grant of Authority for Subzone Status; Lam Research Corporation (Wafer Fabrication Equipment...

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... DEPARTMENT OF COMMERCE Foreign-Trade Zones Board [Order No. 1724] Grant of Authority for Subzone... United States, to expedite and encourage foreign commerce, and for other purposes,'' and authorizes the... benefit and is in the public interest; Whereas, the City of San Jose, California, grantee of Foreign-Trade...

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... DEPARTMENT OF COMMERCE Foreign-Trade Zones Board [Order No. 1791] Grant of Authority for Subzone... United States, to expedite and encourage foreign commerce, and for other purposes,'' and authorizes the... benefit and is in the public interest; Whereas, the West Virginia Economic Development Authority, grantee...

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47 CFR 73.3571 - Processing of AM broadcast station applications.

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2010-10-01

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16 CFR 1500.82 - Exemption from full labeling and other requirements.

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2010-01-01

..., may submit to the Commission a request for exemption under section 3(c) of the act, presenting facts... the public health and safety. If the Commission so finds, it shall detail the exemption granted and... Commission so finds, it shall detail the exemption granted and the reasons therefor by an appropriate order...

PAL[R] Services Being Measured through Scientifically-Based Evaluation Process

ERIC Educational Resources Information Center

Perspectives in Peer Programs, 2007

2007-01-01

In January 2006, PAL[R] Peer Assistance and Leadership, a Promising Prevention Program of Workers Assistance Program, Inc. (WAP), received a $30,000 grant from the Center for Substance Abuse Prevention (CSAP) in order to be scientifically-evaluated on the outcomes and effectiveness of its programs and services. According to the grant, the…

76 FR 10321 - Announcement of Solicitation of Applications and Grant Application Deadlines

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2011-02-24

...)) in order to clearly establish that libraries are eligible to be recipients of DLT Loans and Grants. This confirms the longstanding Agency policy of considering libraries to be eligible entities under the..., Conservation, and Energy Act of 2008 (Pub. L. 110-234) expressly added the category of libraries under Sec...

75 FR 5603 - Part C Early Intervention Services Grant Under the Ryan White HIV/AIDS Program

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2010-02-03

... Intervention Services Grant Under the Ryan White HIV/AIDS Program AGENCY: Health Resources and Services... noncompetitive extension in order to ensure continuity of critical HIV medical and clinical care and treatment... HIV medical care and treatment services to clients in Metropolitan Newark, Essex and Union Counties in...

75 FR 80844 - In the Matter of Certain Digital Television Products and Certain Products Containing Same and...

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2010-12-23

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2010-02-19

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Theory of unfolded cyclotron accelerator

NASA Astrophysics Data System (ADS)

Rax, J.-M.; Robiche, J.

2010-10-01

An acceleration process based on the interaction between an ion, a tapered periodic magnetic structure, and a circularly polarized oscillating electric field is identified and analyzed, and its potential is evaluated. A Hamiltonian analysis is developed in order to describe the interplay between the cyclotron motion, the electric acceleration, and the magnetic modulation. The parameters of this universal class of magnetic modulation leading to continuous acceleration without Larmor radius increase are expressed analytically. Thus, this study provides the basic scaling of what appears as a compact unfolded cyclotron accelerator.

ASP Strategies and Appropriate Antibiotic Use

PubMed Central

Lee, Brian R; Tribble, Alison; Handy, Lori; Gerber, Jeffrey S; Hersh, Adam L; Kronman, Matthew; Terrill, Cindy; Newland, Jason

2017-01-01

Abstract Background The Infectious Diseases Society of America (IDSA) recommends hospitals implement antimicrobial stewardship programs (ASP) in order to decrease inappropriate antibiotic use due to the rise in antibiotic-resistant infections. Data are limited on the extent to which different ASP strategies influence appropriate antibiotic use. Methods We conducted an online survey in 2016 of U.S. Children’s Hospitals to collect hospital-level information on dedicated ASP effort, ASP monitoring activities, use of audit-feedback, formulary restrictions, rapid diagnostics, etc. During the same period the ASP teams at these hospitals completed 3 point prevalence surveys that documented details on all admitted patients 0–17 years receiving any antibiotics, determined what ASP modifications could be made, and if the antibiotic was appropriate. We employed hierarchical, multivariable logit models to examine which ASP-related, hospital-level strategies were associated with appropriate antibiotic use. Results Thirty hospitals participated. A total of 6,921 patients were included, representing 10,068 total antibiotics. Of these orders, 8,554 (85.0%) were categorized as appropriate, though this varied across sites (range: 68-92%). Additionally, 78.2% of antibiotics did not have recommended modifications. Appropriate antibiotic use was significantly higher for hospitals that relied on rapid diagnostics (aOR: 1.6; P < 0.001) or monitored their days of therapy (DOT) rate (aOR: 1.4; P < 0.001), whereas the presence of either audit-feedback (aOR: 1.04; P = 0.75) or formulary restrictions (aOR: 0.83; P = 0.059) were not associated. Having annual education for all prescribers had increased likelihood of antibiotics having no modification recommendations (aOR: 1.45; P = 0.037). Total ASP FTE was not correlated with hospital-level percent appropriate use (corr: −0.05; P = 0.79) or antibiotic modification recommendations (corr: −0.08; P = 0.67). Conclusion Routine monitoring of DOT rates and utilization of rapid diagnostics were associated with appropriate antibiotic use. Additional analysis is needed to understand additional factors that can aid hospitals in developing and maintaining ASPs to reduce inappropriate antibiotic use. Disclosures B. R. Lee, Merck: Grant Investigator, Grant recipient. PCORI: Grant Investigator, Grant recipient. C. Terrill, Merck: Grant Investigator, Research grant Allergan: Grant Investigator, Research grant. J. Newland, Merck: Grant Investigator, Research grant. Allergan: Grant Investigator, Research grant

Operation regimes of a dielectric laser accelerator

NASA Astrophysics Data System (ADS)

Hanuka, Adi; Schächter, Levi

2018-04-01

We investigate three operation regimes in dielectric laser driven accelerators: maximum efficiency, maximum charge, and maximum loaded gradient. We demonstrate, using a self-consistent approach, that loaded gradients of the order of 1 to 6 [GV/m], efficiencies of 20% to 80%, and electrons flux of 1014 [el/s] are feasible, without significant concerns regarding damage threshold fluence. The latter imposes that the total charge per squared wavelength is constant (a total of 106 per μm2). We conceive this configuration as a zero-order design that should be considered for the road map of future accelerators.

A-site ordered quadruple perovskite oxides

NASA Astrophysics Data System (ADS)

Youwen, Long

2016-07-01

The A-site ordered perovskite oxides with chemical formula display many intriguing physical properties due to the introduction of transition metals at both A‧ and B sites. Here, research on the recently discovered intermetallic charge transfer occurring between A‧-site Cu and B-site Fe ions in LaCu3Fe4O12 and its analogues is reviewed, along with work on the magnetoelectric multiferroicity observed in LaMn3Cr4O12 with cubic perovskite structure. The Cu-Fe intermetallic charge transfer leads to a first-order isostructural phase transition accompanied by drastic variations in magnetism and electrical transport properties. The LaMn3Cr4O12 is a novel spin-driven multiferroic system with strong magnetoelectric coupling effects. The compound is the first example of cubic perovskite multiferroics to be found. It opens up a new arena for studying unexpected multiferroic mechanisms. Project supported by the National Basic Research Program of China (Grant No. 2014CB921500), the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDB07030300), and the National Natural Science Foundation of China (Grant No. 11574378).

Semi-Empirical, First-Principles, and Hybrid Modeling of the Thermosphere to Enhance Data Assimilation

DTIC Science & Technology

2015-10-27

CONTRACT NUMBER 5b. GRANT NUMBER 5c. PROGRAM ELEMENT NUMBER 61102F 6. AUTHOR(S) Eric K. Sutton 5d. PROJECT NUMBER 3001 5e. TASK NUMBER PPM00018035...principal components, hybrid model, helium model, neutral composition, low-Earth orbit 16. SECURITY CLASSIFICATION OF: 17. LIMITATION OF ABSTRACT 18...difficult force to determine and predict, in the orbit propagation model of low earth orbiting satellites [36]. The drag acceleration vector, ~a

Coupling of Hydrologic/Hydraulic Models and Aerial Photographs Through Time, Rio Grande Near Albuquerque, New Mexico: Report Documentary 2007 Work

DTIC Science & Technology

2010-08-01

Regions (UFDP); Southwest Urban Flood Damage Program (SWDP) Coupling of Hydrologic/Hydraulic Models and Aerial Photographs Through Time , Rio Grande...Through Time , Rio Grande Near Albuquerque, New Mexico: Report Documentary 2007 Benjamin Swanson, Grant Meyer, and Julie Coonrod University of New...errors. Erosion rates appear to be generally decreasing over time , but accelerated during the 2005 high flows. Initial testing of a method for

78 FR 10218 - Order Extending Temporary Exemptions Under the Securities Exchange Act of 1934 in Connection With...

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... SECURITIES AND EXCHANGE COMMISSION [Release No. 34-68864; File No. S7-27-11] Order Extending.... Introduction On July 1, 2011, the Securities and Exchange Commission (``Commission'') issued an order granting... security-based swaps (``Exchange Act Exemptive Order'').\\1\\ Certain temporary exemptions contained in the...

77 FR 40673 - Self-Regulatory Organizations; New York Stock Exchange LLC; NYSE Amex LLC; Order Granting...

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Quantum Phase Transition and Local Entanglement in Extended Hubbard Model on Anisotropic Triangular Lattices

NASA Astrophysics Data System (ADS)

Gao, Ji-Ming; Tang, Rong-An; Zhang, Zheng-Mei; Xue, Ju-Kui

2016-11-01

Using a mean-field theory based upon Hartree—Fock approximation, we theoretically investigate the competition between the metallic conductivity, spin order and charge order phases in a two-dimensional half-filled extended Hubbard model on anisotropic triangular lattice. Bond order, double occupancy, spin and charge structure factor are calculated, and the phase diagram of the extended Hubbard model is presented. It is found that the interplay of strong interaction and geometric frustration leads to exotic phases, the charge fluctuation is enhanced and three kinds of charge orders appear with the introduction of the nearest-neighbor interaction. Moreover, for different frustrations, it is also found that the antiferromagnetic insulating phase and nonmagnetic insulating phase are rapidly suppressed, and eventually disappeared as the ratio between the nearest-neighbor interaction and on-site interaction increases. This indicates that spin order is also sensitive to the nearest-neighbor interaction. Finally, the single-site entanglement is calculated and it is found that a clear discontinuous of the single-site entanglement appears at the critical points of the phase transition. Supported by National Natural Science Foundation of China under Grant Nos.11274255, 11475027 and 11305132, Specialized Research Fund for the Doctoral Program of Higher Education of China under Grant No. 20136203110001, and Technology of Northwest Normal University, China under Grants No. NWNU-LKQN-11-26

First-order particle acceleration in magnetically driven flows

DOE PAGES

Beresnyak, Andrey; Li, Hui

2016-03-02

In this study, we demonstrate that particles are regularly accelerated while experiencing curvature drift in flows driven by magnetic tension. Some examples of such flows include spontaneous turbulent reconnection and decaying magnetohydrodynamic turbulence, where a magnetic field relaxes to a lower-energy configuration and transfers part of its energy to kinetic motions of the fluid. We show that this energy transfer, which normally causes turbulent cascade and heating of the fluid, also results in a first-order acceleration of non-thermal particles. Since it is generic, this acceleration mechanism is likely to play a role in the production of non-thermal particle distribution inmore » magnetically dominant environments such as the solar chromosphere, pulsar magnetospheres, jets from supermassive black holes, and γ-ray bursts.« less

Stressors Experienced by Nursing Students Enrolled in Baccalaureate Second Degree Accelerated Registered Nursing Programs

ERIC Educational Resources Information Center

Bell, Charlene

2017-01-01

A mounting concern throughout the country is a current and growing nursing shortage. In order to meet the growing demand of nurses, many colleges have created baccalaureate second degree accelerated registered nursing programs. Stressors, experienced by nursing students in these accelerated programs, may affect their retention. A deeper…

75 FR 30776 - Grant of Authority For Subzone Status; Deere & Company (Agricultural Equipment and Component...

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..., 2016. Signed at Washington, DC, this 25th day of March 2013. Rebecca Blank, Deputy Secretary of... DEPARTMENT OF COMMERCE Foreign-Trade Zones Board [Order No. 1886] Grant of Authority; Establishment of a Foreign-Trade Zone Under the Alternative Site Framework Chenango County, New York Pursuant to...

77 FR 58512 - Grant of Authority; Establishment of a Foreign-Trade Zone, Brunswick, ME

Federal Register 2010, 2011, 2012, 2013, 2014

2012-09-21

... DEPARTMENT OF COMMERCE Foreign-Trade Zones Board [Order No. 1845] Grant of Authority; Establishment of a Foreign-Trade Zone, Brunswick, ME Pursuant to its authority under the Foreign-Trade Zones Act of June 18, 1934, as amended (19 U.S.C. 81a-81u), the Foreign-Trade Zones Board (the Board) adopts...

42 CFR 52b.3 - Who is eligible to apply?

Code of Federal Regulations, 2013 CFR

2013-10-01

... 42 Public Health 1 2013-10-01 2013-10-01 false Who is eligible to apply? 52b.3 Section 52b.3 Public Health PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES GRANTS NATIONAL INSTITUTES OF HEALTH CONSTRUCTION GRANTS § 52b.3 Who is eligible to apply? In order to be eligible for a...

42 CFR 52b.3 - Who is eligible to apply?

Code of Federal Regulations, 2014 CFR

2014-10-01

... 42 Public Health 1 2014-10-01 2014-10-01 false Who is eligible to apply? 52b.3 Section 52b.3 Public Health PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES GRANTS NATIONAL INSTITUTES OF HEALTH CONSTRUCTION GRANTS § 52b.3 Who is eligible to apply? In order to be eligible for a...

42 CFR 52b.3 - Who is eligible to apply?

Code of Federal Regulations, 2012 CFR

2012-10-01

... 42 Public Health 1 2012-10-01 2012-10-01 false Who is eligible to apply? 52b.3 Section 52b.3 Public Health PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES GRANTS NATIONAL INSTITUTES OF HEALTH CONSTRUCTION GRANTS § 52b.3 Who is eligible to apply? In order to be eligible for a...

77 FR 60672 - Grant of Authority for Subzone Status; Tesla Motors, Inc., (Electric Passenger Vehicles), Palo...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-10-04

... DEPARTMENT OF COMMERCE Foreign-Trade Zones Board [Order No. 1859] Grant of Authority for Subzone... expedite and encourage foreign commerce, and for other purposes,'' and authorizes the Foreign-Trade Zones... benefit and is in the public interest; Whereas, the City of San Jose, California, grantee of Foreign-Trade...

75 FR 18787 - Grant of Authority for Subzone Status; The Swatch Group (U.S.) Inc. (Watch and Jewelry...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-04-13

... DEPARTMENT OF COMMERCE Foreign-Trade Zones Board [Order No. 1674] Grant of Authority for Subzone... United States, to expedite and encourage foreign commerce, and for other purposes,'' and authorizes the... benefit and is in the public interest; Whereas, the Port Authority of New York and New Jersey, grantee of...

Making College Possible for Low-Income Students: Grant and Scholarship Aid in California

ERIC Educational Resources Information Center

Johnson, Hans

2014-01-01

Improving college access and completion is vital to California's economic well-being. Public Policy Institute of California (PPIC) projections show that the state will need one million more college graduates with a bachelor's degree by 2025 in order to satisfy labor force demand. As the costs of attending college have grown, grant and scholarship…

49 CFR Appendix A to Part 605 - Appendix A to Part 605

Code of Federal Regulations, 2010 CFR

2010-10-01

..., DEPARTMENT OF TRANSPORTATION SCHOOL BUS OPERATIONS Pt. 605, App. A Appendix A to Part 605 Comptroller General... the City originally included in its grant application a request for funds to purchase 8 buses designed... answered in the order presented. Number one: “The grant of funds to a City to purchase buses and equipment...

49 CFR Appendix A to Part 605 - Appendix A to Part 605

Code of Federal Regulations, 2011 CFR

2011-10-01

..., DEPARTMENT OF TRANSPORTATION SCHOOL BUS OPERATIONS Pt. 605, App. A Appendix A to Part 605 Comptroller General... the City originally included in its grant application a request for funds to purchase 8 buses designed... answered in the order presented. Number one: “The grant of funds to a City to purchase buses and equipment...

75 FR 13245 - Announcement of Funds Availability and Grant Application Deadlines

Federal Register 2010, 2011, 2012, 2013, 2014

2010-03-19

...) expressly added the category of libraries under Sec. 2333 (c)(1) of the Food, Agriculture, Conservation, and Trade Act of 1990 (7 U.S.C. S950aaa-2(a)(1)) in order to clearly establish that libraries are eligible to be recipients of DLT Loans and Grants. This confirms the longstanding Agency policy of considering...

Changing the School Climate Is the First Step to Reform in Many Schools with Federal Improvement Grants

ERIC Educational Resources Information Center

McMurrer, Jennifer

2012-01-01

School Improvement Grants (SIGs) financed through the economic stimulus package are intended to spur dramatic change in persistently low-performing schools. Many state and local officials charged with implementing SIGs view the creation of a safe, orderly, collegial, and productive school climate as an essential step in raising student…

78 FR 41145 - Self-Regulatory Organizations; NYSE Arca, Inc.; Order Granting Approval of Proposed Rule Change...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-07-09

... that such a license, if granted, would permit the Fund to purchase A-Shares in an amount necessary to... banks and similar institutions; (iii) commercial paper rated at the date of purchase ``Prime-1'' by... borrowing. The securities purchased with the funds obtained from the agreement and securities...

The Planning and Grants Committee Annual Report No. 7, Academic Year 1979/80.

ERIC Educational Resources Information Center

Council for Higher Education, Jerusalem (Israel).

Information on Israel's Planning and Grants Committee (PGC) of the Council for Higher Education, the Chairman's Review, and the Director General's Report are presented. It is suggested that the greatest achievements of the PGC in the first six years were to introduce order in budgeting, ensure balanced budgets, prevent deficits, eliminate past…

75 FR 28263 - Part C Early Intervention Services Grant Under the Ryan White HIV/AIDS Program

Federal Register 2010, 2011, 2012, 2013, 2014

2010-05-20

... Intervention Services Grant Under the Ryan White HIV/AIDS Program AGENCY: Health Resources and Services... services for persons living with HIV/AIDS, including primary medical care, laboratory testing, oral health... Group in order to ensure continuity of critical HIV medical care and treatment services, and to avoid a...

76 FR 26768 - In the Matter of Certain Adjustable-Height Beds and Components Thereof; Notice of Commission...

Federal Register 2010, 2011, 2012, 2013, 2014

2011-05-09

...) issued by the presiding administrative law judge (``ALJ'') granting a joint motion to terminate the above... Granting a Joint Motion To Terminate the Investigation Based on a Settlement Agreement and Consent Order... 31, 2011, Invacare and the respondents filed a joint motion to terminate the investigation based on a...

78 FR 35001 - Applications for New Awards; Charter Schools Program (CSP) Grants to Non-State Educational Agency...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-06-11

... applications (NIA) announces competitions for two different grants: (1) Planning, Program Design, and Initial... on how well the application meets Competitive Preference Priority 1, up to an additional two points... respond to one, two, or three of the priority areas but, in order to receive the maximum available points...

30 CFR 44.4 - Standard of evaluation of petitions; effect of petitions granted.

Code of Federal Regulations, 2010 CFR

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Standard of evaluation of petitions; effect of... MANDATORY SAFETY STANDARDS General § 44.4 Standard of evaluation of petitions; effect of petitions granted... § 44.16 for relief to give effect to a proposed decision and order, a decision of an Administrator or...

42 CFR 52b.3 - Who is eligible to apply?

Code of Federal Regulations, 2011 CFR

2011-10-01

... 42 Public Health 1 2011-10-01 2011-10-01 false Who is eligible to apply? 52b.3 Section 52b.3 Public Health PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES GRANTS NATIONAL INSTITUTES OF HEALTH CONSTRUCTION GRANTS § 52b.3 Who is eligible to apply? In order to be eligible for a...

42 CFR 52b.3 - Who is eligible to apply?

Code of Federal Regulations, 2010 CFR

2010-10-01

... 42 Public Health 1 2010-10-01 2010-10-01 false Who is eligible to apply? 52b.3 Section 52b.3 Public Health PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES GRANTS NATIONAL INSTITUTES OF HEALTH CONSTRUCTION GRANTS § 52b.3 Who is eligible to apply? In order to be eligible for a...

Working for College: The Causal Impacts of Financial Grants on Undergraduate Employment

ERIC Educational Resources Information Center

Broton, Katharine M.; Goldrick-Rab, Sara; Benson, James

2016-01-01

One way in which financial aid is thought to promote college success is by minimizing the time students spend working. Yet, little research has examined if this intended first-order effect occurs, and results are mixed. We leverage a randomized experiment and find that students from low-income families in Wisconsin offered additional grant aid…

7 CFR 1944.409 - Executive Order 12372.

Code of Federal Regulations, 2011 CFR

2011-01-01

...) PROGRAM REGULATIONS (CONTINUED) HOUSING Self-Help Technical Assistance Grants § 1944.409 Executive Order 12372. The self-help program is subject to the provision of Executive Order 12372 which requires... (available in any Agency office), new applicants for the self-help program must submit their Statement of...

17 CFR 250.100 - Orders granting 6 or withdrawing exemptions.

Code of Federal Regulations, 2010 CFR

2010-04-01

... or appropriate in the public interest or for the protection of investors or consumers. (b) Orders... investors or consumers. The Commission may by such notice suspend the applicability of any such exemption to...

Introduction to Particle Acceleration in the Cosmos

NASA Technical Reports Server (NTRS)

Gallagher, D. L.; Horwitz, J. L.; Perez, J.; Quenby, J.

2005-01-01

Accelerated charged particles have been used on Earth since 1930 to explore the very essence of matter, for industrial applications, and for medical treatments. Throughout the universe nature employs a dizzying array of acceleration processes to produce particles spanning twenty orders of magnitude in energy range, while shaping our cosmic environment. Here, we introduce and review the basic physical processes causing particle acceleration, in astrophysical plasmas from geospace to the outer reaches of the cosmos. These processes are chiefly divided into four categories: adiabatic and other forms of non-stochastic acceleration, magnetic energy storage and stochastic acceleration, shock acceleration, and plasma wave and turbulent acceleration. The purpose of this introduction is to set the stage and context for the individual papers comprising this monograph.

Kinetic effects on the transition to relativistic self-induced transparency in laser-driven ion acceleration

NASA Astrophysics Data System (ADS)

Siminos, Evangelos; Svedung Wettervik, Benjamin; Grech, Mickael; Fülöp, Tünde

2016-10-01

We study kinetic effects responsible for the transition to relativistic self-induced transparency in the interaction of a circularly-polarized laser-pulse with an overdense plasma and their relation to hole-boring and ion acceleration. It is shown, using particle-in-cell simulations and an analysis of separatrices in single-particle phase-space, that this transition is mediated by the complex interplay of fast electron dynamics and ion motion at the initial stage of the interaction. It thus depends on the ion charge-to-mass ratio and can be controlled by varying the laser temporal profile. Moreover, we find a new regime in which a transition from relativistic transparency to hole-boring occurs dynamically during the course of the interaction. It is shown that, for a fixed laser intensity, this dynamic transition regime allows optimal ion acceleration in terms of both energy and energy spread. This work was supported by the Knut and Alice Wallenberg Foundation (pliona project) and the European Research Council (ERC-2014-CoG Grant 647121).

DOE Office of Scientific and Technical Information (OSTI.GOV)

Not Available

The Accelerator Research Studies program at the University of Maryland, sponsored by the Department of Energy under grant number DE-FG05-91ER40642, is currently in the second year of a three-year funding cycle. The program consists of the following three tasks: TASK A, ``Study of Transport and Longitudinal Compression of Intense, High-Brightness Beams,`` (P.I., M. Reiser); TASK B, ``Study of Collective Ion Acceleration by Intense Electron Beams and Pseudospark Produced High Brightness Electron Beams,`` (Co-P.I.`s, W.W. Destler, M. Reiser, M.J. Rhee, and C.D. Striffler); TASK C, ``Study of a Gyroklystron High-Power Microwave Source for Linear Colliders,`` (Co-P.I.`s, V.L. Granatstein, W. Lawson, M.more » Reiser, and C.D. Striffler). In this report we document the progress that has been made during the past year for each of the three tasks.« less

DOE Office of Scientific and Technical Information (OSTI.GOV)

Not Available

The Accelerator Research Studies program at the University of Maryland, sponsored by the Department of Energy under grant number DE-FG05-91ER40642, is currently in the second year of a three-year funding cycle. The program consists of the following three tasks: TASK A, Study of Transport and Longitudinal Compression of Intense, High-Brightness Beams,'' (P.I., M. Reiser); TASK B, Study of Collective Ion Acceleration by Intense Electron Beams and Pseudospark Produced High Brightness Electron Beams,'' (Co-P.I.'s, W.W. Destler, M. Reiser, M.J. Rhee, and C.D. Striffler); TASK C, Study of a Gyroklystron High-Power Microwave Source for Linear Colliders,'' (Co-P.I.'s, V.L. Granatstein, W. Lawson, M.more » Reiser, and C.D. Striffler). In this report we document the progress that has been made during the past year for each of the three tasks.« less

Radiation-reaction force on a small charged body to second order

NASA Astrophysics Data System (ADS)

Moxon, Jordan; Flanagan, Éanna

2018-05-01

In classical electrodynamics, an accelerating charged body emits radiation and experiences a corresponding radiation-reaction force, or self-force. We extend to higher order in the total charge a previous rigorous derivation of the electromagnetic self-force in flat spacetime by Gralla, Harte, and Wald. The method introduced by Gralla, Harte, and Wald computes the self-force from the Maxwell field equations and conservation of stress-energy in a limit where the charge, size, and mass of the body go to zero, and it does not require regularization of a singular self-field. For our higher-order computation, an adjustment of the definition of the mass of the body is necessary to avoid including self-energy from the electromagnetic field sourced by the body in the distant past. We derive the evolution equations for the mass, spin, and center-of-mass position of the body through second order. We derive, for the first time, the second-order acceleration dependence of the evolution of the spin (self-torque), as well as a mixing between the extended body effects and the acceleration-dependent effects on the overall body motion.

A new convergence analysis and perturbation resilience of some accelerated proximal forward-backward algorithms with errors

NASA Astrophysics Data System (ADS)

Reem, Daniel; De Pierro, Alvaro

2017-04-01

Many problems in science and engineering involve, as part of their solution process, the consideration of a separable function which is the sum of two convex functions, one of them possibly non-smooth. Recently a few works have discussed inexact versions of several accelerated proximal methods aiming at solving this minimization problem. This paper shows that inexact versions of a method of Beck and Teboulle (fast iterative shrinkable tresholding algorithm) preserve, in a Hilbert space setting, the same (non-asymptotic) rate of convergence under some assumptions on the decay rate of the error terms The notion of inexactness discussed here seems to be rather simple, but, interestingly, when comparing to related works, closely related decay rates of the errors terms yield closely related convergence rates. The derivation sheds some light on the somewhat mysterious origin of some parameters which appear in various accelerated methods. A consequence of the analysis is that the accelerated method is perturbation resilient, making it suitable, in principle, for the superiorization methodology. By taking this into account, we re-examine the superiorization methodology and significantly extend its scope. This work was supported by FAPESP 2013/19504-9. The second author was supported also by CNPq grant 306030/2014-4.

Optimized ion acceleration using high repetition rate, variable thickness liquid crystal targets

NASA Astrophysics Data System (ADS)

Poole, Patrick; Willis, Christopher; Cochran, Ginevra; Andereck, C. David; Schumacher, Douglass

2015-11-01

Laser-based ion acceleration is a widely studied plasma physics topic for its applications to secondary radiation sources, advanced imaging, and cancer therapy. Recent work has centered on investigating new acceleration mechanisms that promise improved ion energy and spectrum. While the physics of these mechanisms is not yet fully understood, it has been observed to dominate for certain ranges of target thickness, where the optimum thickness depends on laser conditions including energy, pulse width, and contrast. The study of these phenomena is uniquely facilitated by the use of variable-thickness liquid crystal films, first introduced in P. L. Poole et al. PoP21, 063109 (2014). Control of the formation parameters of these freely suspended films such as volume, temperature, and draw speed allows on-demand thickness variability between 10 nanometers and several 10s of microns, fully encompassing the currently studied thickness regimes with a single target material. The low vapor pressure of liquid crystal enables in-situ film formation and unlimited vacuum use of these targets. Details on the selection and optimization of ion acceleration mechanism with target thickness will be presented, including recent experiments on the Scarlet laser facility and others. This work was performed with support from the DARPA PULSE program through a grant from AMRDEC and by the NNSA under contract DE-NA0001976.

Theoretical Astrophysics at Fermilab

NASA Technical Reports Server (NTRS)

2004-01-01

The Theoretical Astrophysics Group works on a broad range of topics ranging from string theory to data analysis in the Sloan Digital Sky Survey. The group is motivated by the belief that a deep understanding of fundamental physics is necessary to explain a wide variety of phenomena in the universe. During the three years 2001-2003 of our previous NASA grant, over 120 papers were written; ten of our postdocs went on to faculty positions; and we hosted or organized many workshops and conferences. Kolb and collaborators focused on the early universe, in particular and models and ramifications of the theory of inflation. They also studied models with extra dimensions, new types of dark matter, and the second order effects of super-horizon perturbations. S tebbins, Frieman, Hui, and Dodelson worked on phenomenological cosmology, extracting cosmological constraints from surveys such as the Sloan Digital Sky Survey. They also worked on theoretical topics such as weak lensing, reionization, and dark energy. This work has proved important to a number of experimental groups [including those at Fermilab] planning future observations. In general, the work of the Theoretical Astrophysics Group has served as a catalyst for experimental projects at Fennilab. An example of this is the Joint Dark Energy Mission. Fennilab is now a member of SNAP, and much of the work done here is by people formerly working on the accelerator. We have created an environment where many of these people made transition from physics to astronomy. We also worked on many other topics related to NASA s focus: cosmic rays, dark matter, the Sunyaev-Zel dovich effect, the galaxy distribution in the universe, and the Lyman alpha forest. The group organized and hosted a number of conferences and workshop over the years covered by the grant. Among them were:

Study for elevator cage position during the braking period

NASA Astrophysics Data System (ADS)

Ungureanu, M.; Crăciun, I.; Bănică, M.; Dăscălescu, A.

2016-08-01

An important problem in order to study an elevator cage position for its braking period is to establish a correlation between the studies in the fields of mechanics and electric. The classical approaches to establish the elevator kinematic parameters are position, velocity and acceleration, but the last studies performed in order to determine the positioning performed by introducing supplementary another parameter - the jerk- which is derived with respect to time of acceleration. Thus we get a precise method for cage motion control for third-order trajectory planning.

Reliability and Failure Modes of Solid-State Lighting Electrical Drivers Subjected to Accelerated Aging

DOE PAGES

Lall, Pradeep; Sakalaukus, Peter; Davis, Lynn

2015-02-19

An investigation of an off-the-shelf solid-state lighting device with the primary focus on the accompanied light-emitting diode (LED) electrical driver (ED) has been conducted. A set of 10 EDs were exposed to temperature humidity life testing of 85% RH and 85 C (85/85) without an electrical bias per the JEDEC standard JESD22-A101C in order to accelerate the ingress of moisture into the aluminum electrolytic capacitor (AEC) and the EDs in order to assess the reliability of the LED drivers for harsh environment applications. The capacitance and equivalent series resistance for each AEC inside the ED were measured using a handheldmore » LCR meter as possible leading indications of failure. The photometric quantities of a single pristine light engine were monitored in order to investigate the interaction between the light engine and the EDs. These parameters were used in assessing the overall reliability of the EDs. In addition, a comparative analysis has been conducted between the 85/85 accelerated test data and a previously published high-temperature storage life accelerated test of 135°C. The results of the 85/85 acceleration test and the comparative analysis are presented in this paper.« less

Sharing of grant funds between academic institutions and community partners in community-based participatory research.

PubMed

Cain, Katrice D; Theurer, Jacqueline R; Sehgal, Ashwini R

2014-04-01

To determine how grant funds are shared between academic institutions and community partners in community-based participatory research (CBPR). Review of all 62 investigator-initiated R01 CBPR grants funded by the National Institutes of Health from January 2005 to August 2012. Using prespecified criteria, two reviewers independently categorized each budget item as being for an academic institution or a community partner. A third reviewer helped resolve any discrepancies. Among 49 evaluable grants, 68% of all grant funds were for academic institutions and 30% were for community partners. For 2% of funds, it was unclear whether they were for academic institutions or for community partners. Community partners' share of funds was highest in the categories of other direct costs (62%) and other personnel (48%) and lowest in the categories of equipment (1%) and indirect costs (7%). A majority of CBPR grant funds are allocated to academic institutions. In order to enhance the share that community partners receive, funders may wish to specify a minimum proportion of grant funds that should be allocated to community partners in CBPR projects. © 2014 Wiley Periodicals, Inc.

Plasma density characterization at SPARC_LAB through Stark broadening of Hydrogen spectral lines

NASA Astrophysics Data System (ADS)

Filippi, F.; Anania, M. P.; Bellaveglia, M.; Biagioni, A.; Chiadroni, E.; Cianchi, A.; Di Giovenale, D.; Di Pirro, G.; Ferrario, M.; Mostacci, A.; Palumbo, L.; Pompili, R.; Shpakov, V.; Vaccarezza, C.; Villa, F.; Zigler, A.

2016-09-01

Plasma-based acceleration techniques are of great interest for future, compact accelerators due to their high accelerating gradient. Both particle-driven and laser-driven Plasma Wakefield Acceleration experiments are foreseen at the SPARC_LAB Test Facility (INFN National Laboratories of Frascati, Italy), with the aim to accelerate high-brightness electron beams. In order to optimize the efficiency of the acceleration in the plasma and preserve the quality of the accelerated beam, the knowledge of the plasma electron density is mandatory. The Stark broadening of the Hydrogen spectral lines is one of the candidates used to characterize plasma density. The implementation of this diagnostic for plasma-based experiments at SPARC_LAB is presented.

Single-stage plasma-based correlated energy spread compensation for ultrahigh 6D brightness electron beams

PubMed Central

Manahan, G. G.; Habib, A. F.; Scherkl, P.; Delinikolas, P.; Beaton, A.; Knetsch, A.; Karger, O.; Wittig, G.; Heinemann, T.; Sheng, Z. M.; Cary, J. R.; Bruhwiler, D. L.; Rosenzweig, J. B.; Hidding, B.

2017-01-01

Plasma photocathode wakefield acceleration combines energy gains of tens of GeV m−1 with generation of ultralow emittance electron bunches, and opens a path towards 5D-brightness orders of magnitude larger than state-of-the-art. This holds great promise for compact accelerator building blocks and advanced light sources. However, an intrinsic by-product of the enormous electric field gradients inherent to plasma accelerators is substantial correlated energy spread—an obstacle for key applications such as free-electron-lasers. Here we show that by releasing an additional tailored escort electron beam at a later phase of the acceleration, when the witness bunch is relativistically stable, the plasma wave can be locally overloaded without compromising the witness bunch normalized emittance. This reverses the effective accelerating gradient, and counter-rotates the accumulated negative longitudinal phase space chirp of the witness bunch. Thereby, the energy spread is reduced by an order of magnitude, thus enabling the production of ultrahigh 6D-brightness beams. PMID:28580954

Non-thermal Processes in Colliding-wind Massive Binaries: the Contribution of Simbol-X to a Multiwavelength Investigation

NASA Astrophysics Data System (ADS)

De Becker, Michaël; Blomme, Ronny; Micela, Giusi; Pittard, Julian M.; Rauw, Gregor; Romero, Gustavo E.; Sana, Hugues; Stevens, Ian R.

2009-05-01

Several colliding-wind massive binaries are known to be non-thermal emitters in the radio domain. This constitutes strong evidence for the fact that an efficient particle acceleration process is at work in these objects. The acceleration mechanism is most probably the Diffusive Shock Acceleration (DSA) process in the presence of strong hydrodynamic shocks due to the colliding-winds. In order to investigate the physics of this particle acceleration, we initiated a multiwavelength campaign covering a large part of the electromagnetic spectrum. In this context, the detailed study of the hard X-ray emission from these sources in the SIMBOL-X bandpass constitutes a crucial element in order to probe this still poorly known topic of astrophysics. It should be noted that colliding-wind massive binaries should be considered as very valuable targets for the investigation of particle acceleration in a similar way as supernova remnants, but in a different region of the parameter space.

Single-stage plasma-based correlated energy spread compensation for ultrahigh 6D brightness electron beams

NASA Astrophysics Data System (ADS)

Manahan, G. G.; Habib, A. F.; Scherkl, P.; Delinikolas, P.; Beaton, A.; Knetsch, A.; Karger, O.; Wittig, G.; Heinemann, T.; Sheng, Z. M.; Cary, J. R.; Bruhwiler, D. L.; Rosenzweig, J. B.; Hidding, B.

2017-06-01

Plasma photocathode wakefield acceleration combines energy gains of tens of GeV m-1 with generation of ultralow emittance electron bunches, and opens a path towards 5D-brightness orders of magnitude larger than state-of-the-art. This holds great promise for compact accelerator building blocks and advanced light sources. However, an intrinsic by-product of the enormous electric field gradients inherent to plasma accelerators is substantial correlated energy spread--an obstacle for key applications such as free-electron-lasers. Here we show that by releasing an additional tailored escort electron beam at a later phase of the acceleration, when the witness bunch is relativistically stable, the plasma wave can be locally overloaded without compromising the witness bunch normalized emittance. This reverses the effective accelerating gradient, and counter-rotates the accumulated negative longitudinal phase space chirp of the witness bunch. Thereby, the energy spread is reduced by an order of magnitude, thus enabling the production of ultrahigh 6D-brightness beams.

77 FR 71652 - Self-Regulatory Organizations; BATS Y-Exchange, Inc.; Order Granting Approval to Proposed Rule...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-12-03

... flow of eight retail brokers revealed that nearly 100% of their customer market orders were routed to... pilot program to attract additional retail order flow to the Exchange, while also providing the potential for price improvement to such order flow. The Program would be limited to trades occurring at...

78 FR 19696 - Orders Granting Authority To Import and Export Natural Gas, To Import Liquefied Natural Gas, To...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-04-02

...: Office of Fossil Energy, Department of Energy (DOE). ACTION: Notice of orders. SUMMARY: The Office of Fossil Energy (FE) of the Department of Energy gives notice that during December 2012, it issued orders... site at http://www.fossil.energy.gov/programs/gasregulation/authorizations/Orders-2012.html . They are...

77 FR 50680 - Notice of Orders Granting Applications and an Order Vacating Authority To Import and Export...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-08-22

... June 2012 AGENCY: Office of Fossil Energy, Department of Energy (DOE). ACTION: Notice of orders. FE... & GAS COMPANY, 12-69-NG LLC. MONETA ENERGY SERVICES, LTD 12-70-NG SUMMARY: The Office of Fossil Energy....fossil.energy.gov/programs/gasregulation/authorizations/Orders-2012.html . They are also available for...

78 FR 53739 - Orders Granting Authority To Import and Export Natural Gas, To Import and Export Liquefied...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-08-30

...: Office of Fossil Energy, Department of Energy (DOE). ACTION: Notice of orders. SUMMARY: The Office of Fossil Energy (FE) of the Department of Energy gives notice that during July 2013, it issued orders... Web site at http://www.fossil.energy.gov/programs/gasregulation/authorizations/Orders-2013.html . They...

78 FR 26828 - Self-Regulatory Organizations; Chicago Board Options Exchange, Incorporated; Order Granting...

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2013-05-08

... simultaneously holding and working a customer order in that same stock. No-Knowledge Exception \\14\\ \\14\\ See... prevent the proprietary trading unit from obtaining knowledge of the customer orders that are held at a... Rule Change, as Modified by Amendment No. 1, Relating to Trading Ahead of Customer Orders and Best...

77 FR 56269 - City of Milwaukie-Petition for Declaratory Order

Federal Register 2010, 2011, 2012, 2013, 2014

2012-09-12

... DEPARTMENT OF TRANSPORTATION Surface Transportation Board [Docket No. FD 35625] City of Milwaukie--Petition for Declaratory Order The City of Milwaukie, Or. (the City), filed a petition for declaratory... declaratory order proceeding will be granted. On June 29, 2012, the City filed a petition for declaratory...

Gapped Spin-1/2 Spinon Excitations in a New Kagome Quantum Spin Liquid Compound Cu3Zn(OH)6FBr

NASA Astrophysics Data System (ADS)

Feng, Zili; Li, Zheng; Meng, Xin; Yi, Wei; Wei, Yuan; Zhang, Jun; Wang, Yan-Cheng; Jiang, Wei; Liu, Zheng; Li, Shiyan; Liu, Feng; Luo, Jianlin; Li, Shiliang; Zheng, Guo-qing; Meng, Zi Yang; Mei, Jia-Wei; Shi, Youguo

2017-06-01

We report a new kagome quantum spin liquid candidate Cu3Zn(OH)6FBr, which does not experience any phase transition down to 50 mK, more than three orders lower than the antiferromagnetic Curie-Weiss temperature (∼200 K). A clear gap opening at low temperature is observed in the uniform spin susceptibility obtained from 19F nuclear magnetic resonance measurements. We observe the characteristic magnetic field dependence of the gap as expected for fractionalized spin-1/2 spinon excitations. Our experimental results provide firm evidence for spin fractionalization in a topologically ordered spin system, resembling charge fractionalization in the fractional quantum Hall state. Supported by the National Key Research and Development Program of China under Grant Nos 2016YFA0300502, 2016YFA0300503, 2016YFA0300604, 2016YF0300300 and 2016YFA0300802, the National Natural Science Foundation of China under Grant Nos 11421092, 11474330, 11574359, 11674406, 11374346 and 11674375, the National Basic Research Program of China (973 Program) under Grant No 2015CB921304, the National Thousand-Young-Talents Program of China, the Strategic Priority Research Program (B) of the Chinese Academy of Sciences under Grant Nos XDB07020000, XDB07020200 and XDB07020300. The work in Utah is supported by DOE-BES under Grant No DE-FG02-04ER46148.

Residual acceleration data on IML-1: Development of a data reduction and dissemination plan

NASA Technical Reports Server (NTRS)

Rogers, Melissa J. B.; Alexander, J. Iwan D.

1993-01-01

The research performed consisted of three stages: (1) identification of sensitive IML-1 experiments and sensitivity ranges by order of magnitude estimates, numerical modeling, and investigator input; (2) research and development towards reduction, supplementation, and dissemination of residual acceleration data; and (3) implementation of the plan on existing acceleration databases.

Evaluation of the Xeon phi processor as a technology for the acceleration of real-time control in high-order adaptive optics systems

NASA Astrophysics Data System (ADS)

Barr, David; Basden, Alastair; Dipper, Nigel; Schwartz, Noah; Vick, Andy; Schnetler, Hermine

2014-08-01

We present wavefront reconstruction acceleration of high-order AO systems using an Intel Xeon Phi processor. The Xeon Phi is a coprocessor providing many integrated cores and designed for accelerating compute intensive, numerical codes. Unlike other accelerator technologies, it allows virtually unchanged C/C++ to be recompiled to run on the Xeon Phi, giving the potential of making development, upgrade and maintenance faster and less complex. We benchmark the Xeon Phi in the context of AO real-time control by running a matrix vector multiply (MVM) algorithm. We investigate variability in execution time and demonstrate a substantial speed-up in loop frequency. We examine the integration of a Xeon Phi into an existing RTC system and show that performance improvements can be achieved with limited development effort.

Physics of the Inner Heliosphere 1-10 R(sub s): Plasma Diagnostics and Models

NASA Technical Reports Server (NTRS)

Habbal, Shadia R.; Wagner, William J. (Technical Monitor)

2001-01-01

While the mechanisms responsible for heating the solar corona and accelerating the fast and slow solar wind streams are still unknown, model computations offer the only means for exploring and predicting the properties of such mechanisms in light of the empirical constraints currently available. During the time covered by this grant, modeling and data analysis efforts were aimed at: 1) the study of the propagation and damping of ion-cyclotron waves in the fast solar wind 2) the exploration of the role of instabilities in the development of temperature anisotropies in the inner corona 3) the coupling of neutral hydrogen and protons in the fast solar wind 4) the morphology of the source region of the solar wind. Summarized are some of the highlights of these studies. Two PhD theses by Xing Li and Lorraine Allen were partially supported by this grant.

Experimental And Theoretical High Energy Physics Research At UCLA

DOE Office of Scientific and Technical Information (OSTI.GOV)

Cousins, Robert D.

2013-07-22

This is the final report of the UCLA High Energy Physics DOE Grant No. DE-FG02- 91ER40662. This report covers the last grant project period, namely the three years beginning January 15, 2010, plus extensions through April 30, 2013. The report describes the broad range of our experimental research spanning direct dark matter detection searches using both liquid xenon (XENON) and liquid argon (DARKSIDE); present (ICARUS) and R&D for future (LBNE) neutrino physics; ultra-high-energy neutrino and cosmic ray detection (ANITA); and the highest-energy accelerator-based physics with the CMS experiment and CERN’s Large Hadron Collider. For our theory group, the report describesmore » frontier activities including particle astrophysics and cosmology; neutrino physics; LHC interaction cross section calculations now feasible due to breakthroughs in theoretical techniques; and advances in the formal theory of supergravity.« less

Superhydrophobicity enhancement through substrate flexibility

NASA Astrophysics Data System (ADS)

Vasileiou, Thomas; Gerber, Julia; Prautzsch, Jana; Schutzius, Thomas; Poulikakos, Dimos

2017-11-01

Inspired by manifestations in nature, micro/nanoengineering superhydrophobic surfaces has been the focus of much work. Generally, hydrophobicity is increased through the combined effects of surface texturing and chemistry; being durable, rigid substrate materials are the norm. However, many natural and technical materials are flexible, and the resulting effect on hydrophobicity has been largely unexplored. Here, we show that the rational tuning of flexibility can work collaboratively with the surface micro/nanotexture to enhance liquid repellency performance, defined by impalement and breakup resistance, contact time reduction, and restitution coefficient increase. Reduction in substrate stiffness and areal density imparts immediate acceleration and intrinsic responsiveness to impacting droplets, mitigating the collision and lowering the impalement probability by 60 % without the need for active actuation. We demonstrate the above discoveries with materials ranging from thin steel or polymer sheets to butterfly wings. Partial support of the Swiss National Science Foundation under Grant 162565 and the European Research Council under Advanced Grant 669908 (INTICE) is acknowledged.

Additional Smooth and Rough Water Trials of SKI-CAT.

DTIC Science & Technology

1981-08-01

REPORT & PERIOD COVERED ADDITIONAL SMOOTH AND ROUGH WATER TRIALS OF FINAL SKI- CAT S. PERFORMING ORO. REPORT NUMSER 7. AUTHOR() I. CONTRACT OR GRANT NUMUr...Identif by bloc membe) ’ " -Further tests of SKI- CAT were made in smooth and rough water. Smooth water results confirmed the performance results of...reductions in the accelerations and motions of SKI- CAT over against the head seasreut DD , +A ,3 1473 EDITION OF I NOVS IS OBSOLETE UNCIbSJFIED SIME 0102-014

Effects of a Commercial Drink on Acceleration Tolerance and Cognitive Performance

DTIC Science & Technology

2009-11-01

funded by a $120,000 grant from Coca - Cola Company, Atlanta GA. The authors wish to thank Mr. Mac Baker, Capt Julia McGregor, Mr. Tom Beltran, and Mr...recommendation or endorsement of the Coca Cola Company or the product tested. v Approved for public release; distribution unlimited; Approved by 311 th...drink (Full Throttle®, made by the Coca - Cola Company, at volumes equating to a caffeine dose of 5 mg caffeine per kg of body weight), an uncaffeinated

Phase-I investigation of high-efficiency power amplifiers for 325 and 650 MHz

DOE Office of Scientific and Technical Information (OSTI.GOV)

Raab, Frederick

2018-01-27

This Phase-I SBIR grant investigated techniques for high-efficiency power amplification for DoE particle accelerators such as Project X that operate at 325 and 650 MHz. The recommended system achieves high efficiency, high reliability, and hot-swap capability by integrating class-F power amplifiers, class-S modulators, power combiners, and a digital signal processor. Experimental evaluations demonstrate the production of 120 W per transistor with overall efficiencies from 86 percent at 325 MHz and 80 percent at 650 MHz.

[Experimental nuclear physics]. Annual report 1988

DOE Office of Scientific and Technical Information (OSTI.GOV)

NONE

1988-05-01

This is the May 1988 annual report of the Nuclear Physics Laboratory of the University of Washington. It contains chapters on astrophysics, giant resonances, heavy ion induced reactions, fundamental symmetries, polarization in nuclear reactions, medium energy reactions, accelerator mass spectrometry (AMS), research by outside users, Van de Graaff and ion sources, the Laboratory`s booster linac project work, instrumentation, and computer systems. An appendix lists Laboratory personnel, Ph.D. degrees granted in the 1987-88 academic year, and publications. Refs., 27 figs., 4 tabs.

[Experimental nuclear physics]. Annual report 1989

DOE Office of Scientific and Technical Information (OSTI.GOV)

NONE

1989-04-01

This is the April 1989 annual report of the Nuclear Physics Labortaory of the University of Washington. It contains chapters on astrophysics, giant resonances, heavy ion induced reactions, fundamental symmetries, polarization in nuclear reactions, medium energy reactions, accelerator mass spectrometry (AMS), research by outside users, Van de Graaff and ion sources, computer systems, instrumentation, and the Laboratory`s booster linac work. An appendix lists Laboratory personnel, Ph.D. degrees granted in the 1988-1989 academic year, and publications. Refs., 23 figs., 3 tabs.

Comparison of Medium Power Hall Effect Thruster Ion Acceleration for Krypton and Xenon Propellants

DTIC Science & Technology

2016-09-14

Concentration ppb 87 1000 Stable Isotopes 9 6 Odd Isotopes 2 1 Critical Pressure MPa 5.84 5.50 Critical Temperature K 290 209 Boiling Point (1 atm) K 161 120...The velocity profile in Fig. 6 shows the velocities slightly negative, nearest the anode (at approximately - 9 mm). This negative velocity near the...Krypton and Xenon Propellants 5b. GRANT NUMBER 5c. PROGRAM ELEMENT NUMBER 6 . AUTHOR(S) William A. Hargus, Jr.; Gregory M. Azarnia; Michael R

Non-Evaporative Cooling Using Spin-Exchange Collision in an Optical Trap

DTIC Science & Technology

2009-02-03

transit time of the atoms across the optical trap should damp the atoms’ motion significantly. These processes are described in detail in Ref. [ 18]. The...potentials. Finally, since the optical trap was very shallow compared to a MOT, any light-assisted collision that resulted in almost any net acceleration...EXCHANGE COLLISION IN AN OPTICAL TRAP 5a. CONTRACT NUMBER FA9550-06-1-0190 5b. GRANT NUMBER 5c. PROGRAM ELEMENT NUMBER 6. AUTHOR(S

FCC Conditional Waiver for LightSquared

DOT National Transportation Integrated Search

2011-01-26

In this Order and Authorization (Order), we grant LightSquared Subsidiary LLC : (LightSquared), a Mobile Satellite Service (MSS)1 licensee in the L-Band,2 a conditional waiver of the : Ancillary Terrestrial Component (ATC) integrated service ru...

Terahertz-driven linear electron acceleration

PubMed Central

Nanni, Emilio A.; Huang, Wenqian R.; Hong, Kyung-Han; Ravi, Koustuban; Fallahi, Arya; Moriena, Gustavo; Dwayne Miller, R. J.; Kärtner, Franz X.

2015-01-01

The cost, size and availability of electron accelerators are dominated by the achievable accelerating gradient. Conventional high-brightness radio-frequency accelerating structures operate with 30–50 MeV m−1 gradients. Electron accelerators driven with optical or infrared sources have demonstrated accelerating gradients orders of magnitude above that achievable with conventional radio-frequency structures. However, laser-driven wakefield accelerators require intense femtosecond sources and direct laser-driven accelerators suffer from low bunch charge, sub-micron tolerances and sub-femtosecond timing requirements due to the short wavelength of operation. Here we demonstrate linear acceleration of electrons with keV energy gain using optically generated terahertz pulses. Terahertz-driven accelerating structures enable high-gradient electron/proton accelerators with simple accelerating structures, high repetition rates and significant charge per bunch. These ultra-compact terahertz accelerators with extremely short electron bunches hold great potential to have a transformative impact for free electron lasers, linear colliders, ultrafast electron diffraction, X-ray science and medical therapy with X-rays and electron beams. PMID:26439410

Terahertz-driven linear electron acceleration

DOE PAGES

Nanni, Emilio A.; Huang, Wenqian R.; Hong, Kyung-Han; ...

2015-10-06

The cost, size and availability of electron accelerators are dominated by the achievable accelerating gradient. Conventional high-brightness radio-frequency accelerating structures operate with 30–50 MeVm -1 gradients. Electron accelerators driven with optical or infrared sources have demonstrated accelerating gradients orders of magnitude above that achievable with conventional radio-frequency structures. However, laser-driven wakefield accelerators require intense femtosecond sources and direct laser-driven accelerators suffer from low bunch charge, sub-micron tolerances and sub-femtosecond timing requirements due to the short wavelength of operation. Here we demonstrate linear acceleration of electrons with keV energy gain using optically generated terahertz pulses. Terahertz-driven accelerating structures enable high-gradient electron/protonmore » accelerators with simple accelerating structures, high repetition rates and significant charge per bunch. As a result, these ultra-compact terahertz accelerators with extremely short electron bunches hold great potential to have a transformative impact for free electron lasers, linear colliders, ultrafast electron diffraction, X-ray science and medical therapy with X-rays and electron beams.« less

DOE Office of Scientific and Technical Information (OSTI.GOV)

Hwang, Kilean; Qiang, Ji

A recirculating superconducting linear accelerator with the advantage of both straight and circular accelerator has been demonstrated with relativistic electron beams. The acceleration concept of a recirculating proton beam was recently proposed and is currently under study. In order to further support the concept, the beam dynamics study on a recirculating proton linear accelerator has to be carried out. In this paper, we study the feasibility of a two-pass recirculating proton linear accelerator through the direct numerical beam dynamics design optimization and the start-to-end simulation. This study shows that the two-pass simultaneous focusing without particle losses is attainable including fullymore » 3D space-charge effects through the entire accelerator system.« less

76 FR 36606 - Self-Regulatory Organizations; The NASDAQ OMX PHLX LLC; Order Granting Approval of Proposed Rule...

Federal Register 2010, 2011, 2012, 2013, 2014

2011-06-22

... National Best Bid and Offer (``NBBO''); and (iv) be rejected if a Customer order is resting on the Exchange... exposure if no Customer Orders \\8\\ exist on the Exchange's order book at the same price. \\7\\ Phlx Rule 1080... time; (iv) the specific relationship between the component orders (e.g., the spread between the prices...