The goals of the Molecular Imaging Program (MIP) are to develop targeted imaging methods that lead to an improved understanding of cancer biology, thereby accelerating the development of cancer therapies.
Cancer.gov
Several recent reports, including NCI's Strategic Plan for Leading the Nation and the NCI-designated cancer center directors' report Accelerating Successes Against Cancer, have recognized the salience of patient-clinician communication in optimizing cancer patients' and survivors' health outcomes.
Misalignments of magnetic quadrupoles and biases in beam position monitors (BPMs) in the Stanford Linear Collider (SLC) linac can lead to a situation in which the beam is off-center in the disk-loaded waveguide accelerator structure. The off-center beam p...
National Technical Information Service (NTIS)
Researchers at the University of Minnesota Cancer Center and the National Cancer Institute (NCI), part of the National Institutes of Health, have discovered a new method that could accelerate the way cancer-causing genes are found and could lead to a more accurate identification of the genes
had discovered x-rays. In March 1896, Henri Becquerel, who was studying phosphorescence initiated to be in the same drawer. Becquerel had discovered natural radioactivity. The discoveries by Roentgen and Becquerel THE DISCOVERIES BY ROENTGEN AND BECQUEREL ROCKED THE WORLD. ...THEY REVEALED THAT THE UNIVERSE IS COMPOSED OF MANY
E-print Network
In accelerator-driven neutron sources such as the Spallation Neutron Source (SNS) with powers in the 2 MW range (time-averaged), the interaction of the energetic proton beam with the mercury target can lead to very high heating rates in the target. Althou...
Linear Accelerator Center, Stanford University, Stanford, California, USA Button AA - Stanford Linear Accelerator Center Button WA - Stanford Linear Accelerator Center...
Science.gov Websites
We assume that, independent of any near-term discoveries, the continuing goal of experimental high-energy physics (HEP) will be to achieve ultra-high center-of-mass energies early in the next century. To progress to these energies in such a brief span of time will require a radical change in accelerator and collider technology. We review some of our recent ...
DOE Information Bridge
as a trampoline), then the acceleration of the particle with one of the local frames leads to the formation
Electron acceleration in plasma driven by circular polarized ultraintense laser with asymmetric pulse are investigated analytically and numerically in terms of oscillation-center Hamiltonian formalism. Studies include wakefield acceleration, which dominates in blow-out or bubble regime and snow-plow acceleration ...
NASA Astrophysics Data System (ADS)
A plasma wakefield acceleration experiment is conducted at the Stanford Linear Accelerator Center. This experiment addresses the issues relevant to a meter-long plasma accelerator module in the context of a high-energy accelerator.
... ACCELERATOR COMPONENTS, *SUPERCONDUCTORS), (*ELECTRON BEAMS, INJECTORS), LINEAR ACCELERATORS, LEAD(METAL ...
DTIC Science & Technology
... Accession Number : ADA075644. Title : Steric Acceleration of Perester Decomposition Leading to Tertiary Alkyl Radicals,. ...
A rail accelerator was chosen for study as an electromagnetic space propulsion device because of its
NASA Technical Reports Server (NTRS)
... Title : Accelerations Measures at Center of Gravity and Along Span of the Wing of a B-24D Airplane in Landing Impacts. ...
... Center for Materials Design (CCMD), an entity coupled with Ohio State University's (OSU) Center for the Accelerated Maturation of Materials (CAMM ...
Advances in the design and performance of electrostatic accelerators since 1969 are reviewed with special emphasis on the ''forefront'' accelerators that are currently leading in voltage capability. A comparison of the acceleration tube design offered by ...
July 2005 Abstract A description is given of a lead slowing-down spectrometer (LSDS) installed at the 800-MeV proton accelerator of the Los Alamos Neutron Science Center (LANSCE). The LSDS is designed. The characteristics of this LSDS (energy�time relation, energy resolution, neutron flux) are presented through
For a gravitational theory based on action-at-a-distance in flat Minkowski space, a formulation is considered that is obtained from a single- action principle and that is Lorentz-invariant. The Loientz invariance leads to relativistic momentum conseivation laws; it is shown that these conservation laws preclude any secular acceleration of the ...
Energy Citations Database
Bimolecular 4- and 6-center addition reactions into unsaturated hydrocarbons may be optically accelerated with 3 to 6 quanta provided by CO laser excitation of DBr or DCl or by DF laser excitation of HDO or DF. Unimolecular decomposition of HDCO occurs with high selectivity by a single uv photon. Multi-quantum CO/sub 2/ laser excitation can ...
Historically, each generation of new accelerators has produced a thousand-fold increase over their predecessors. Thus, the d.c. accelerators were surpassed by weak focusing cyclotrons and synchrotrons. Then strong focusing machines surpassed the weak focusing ones, and now we are in the process of designing machines for 10 to 20 TeV. This paper is devoted ...
... THE EFFECT OF" ACCELERATION ON HUMAN CENTERS OF' GRAVITY F. a 0 I- ... HU�AN CENTERS OF GRAVITY JW Chaffee Anthropometrist ...
The Measurement and Instrumentation Data Center collects Irradiance and Meterological data from the Solar Technology Acceleration Center (SolarTAC)....
National Renewable Energy Laboratory (NREL)
At the Nevada Terawatt Facility we investigated the generation of a sheared plasma flow using conical wire arrays with an additional wire located on the axis of the pinch. The additional center wire generates axial current carrying plasma that serves as a target for the plasma accelerated from the outer wires, generating a sheared plasma flow which ...
We investigate here the particle acceleration by naked singularities to arbitrarily high center of mass energies. Recently it has been suggested that black holes could be used as particle accelerators to probe the Planck scale physics. We show that the naked singularities serve the same purpose and probably would do better than their ...
When considering intense particle or laser beams propagating in dense plasma or gas, ionization plays an important role. Impact ionization and tunnel ionization may create new plasma electrons, altering the physics of wakefield accelerators, causing blue shifts in laser spectra, creating and modifying instabilities, etc. Here we describe the addition of an impact ionization ...
BS>The various considerations that motivated the choice of an accelerator of this type are reviewed giving basic design data. This accelerator plant consists of 3 cavity klystron HF sources, accelerator-guide consisting of a succession of pi /2 cavities, external shield of concrete material providing complete ...
t he future of accelerator physics isn�t just for physicists. As in the past, tomorrow�s discoveries in particle accelerator science may lead to unexpected applications for...
The theoretical and numerical results on the nonlinear dynamics of an atom in the fields of two counterpropagating radiation beams of different frequencies are presented. Both resonant and nonresonant interaction regimes are investigated. The atom center-of-mass energy dependence on the field amplitudes exhibits the nonlinear threshold effect of reflection of an atom in the ...
... Reclamation (BUR), US Geological Service (USGS), and Bureau ... Resource Constraints ... service centers have sufficient resources to accelerate the ...
The Corrosion Technology Laboratory at Kennedy Space Center has the facilities, equipment, and experience to conduct indoor accelerated laboratory testing. ...
NASA Website
The lunar surface is continually bombarded with micrometeorites, primarily within the 0.1-1 ?m and <= 100 km/s range. The impacts of such particles at the lunar surface introduce significant potential hazards to humans and instruments, but also create a scientifically rich complex system. Upon impact into the lunar regolith, cratering and micro-plasma creation can lead to ...
The lunar surface is continually bombarded with micrometeorites, primarily within the 0.1-1 um and < 100 km/s range. The impacts of such particles at the lunar surface introduce significant potential hazards to humans and instruments, but also create a scientifically rich complex system. Upon impact into the lunar regolith, cratering and micro-plasma creation can lead to ...
This press release describes a study that found lead raises blood pressure and injures kidney tissue, accelerating chronic disease in an experimental model.
NSDL National Science Digital Library
stripping occurs during acceleration, the Qs are ambiguous ..... acceleration site: low in the corona (Type III bursts, stripping) or ...
accelerator science, and a source of many innovative concepts, within the Accelerator and Fusion Research Division. We have core expertise in accelerator physics and theory,...
�aft and vertical accelerations of the body mass center due to the altered muscle forces during the stance phase half of stance, muscles generate a ground reaction force that accelerates the mass center forward early stance. Muscle contributions to the vertical acceleration of the mass ...
A study of electron-positron scattering leading to two electron-positron pairs via a two-photon interaction has been carried out at the Stanford Linear Accelerator Center (SLAC). The case where one pair is observed in the detector was investigated. These ...
Extreme Ultraviolet Lithography (EUVL) is one of the leading candidates for next generation lithography technology for the 32 nm HP and beyond. The availability of EUV resists is one of the most significant challenges facing its commercialization. To accelerate EUV resist development, SEMATECH provides access to two exposure tools: (1) The EUV Resist Test ...
The paper describes the design and performance of flux integrating Cherenkov scanners with air-core reflecting light guides used in a high-energy, high-flux electron scattering experiment at the Stanford Linear Accelerator Center. The scanners were highly radiation resistant and provided a good signal to background ratio leading to ...
Ericsson Spain is an important subsidiary of the Ericsson Group. It hosts one principal research and development center and counts on a strong local marketing, sales, and delivey force to address a vibrant market of telecommunications. A landscape of abundant knowledge including leading universities in Madrid and a growing number of local technology and ...
SLAC Virtual Visitor Center is a collection of information about the Standford Linear Accelerator, and linear accelerators in general, as well other aspects of high energy particle physics.
Linear Accelerator Center, Stanford University, Stanford, California, USA Button AA - Stanford Linear Accelerator Center & Stanford University, Stanford, California, USA...
shocks can accelerate relativistic electrons, there is no reason why they cannot accelerate lower energy electrons (type III bursts need electrons with an ...
In laser driven accelerators, the interaction of laser radiation with plasma leads to a variety of scattering mechansims. The scattered radiation can be used to understand the wake structure and its effect on electron acceleration. In the case of a resonantly driven quasi-linear wake, spectral broadening due to photon ...
The present research program is centered on the experimental and numerical study of two instabilities that develop at the interface between two different fluids when the interface experiences an impulsive or a constant acceleration. The instabilities, called the Richtmyer-Meshkov and Rayleigh-Taylor instability, respectively, adversely affect target ...
I show that the assumption that the acceleration and collimation mechanisms of jets are the same in all the classes of astrophysical objects which are observed to produce jets, can lead to interesting conclusions. Jets have now been observed in: active galactic nuclei, young stellar objects, massive x-ray binaries, low mass x-ray binaries, black hole x-ray ...
Various changes and measurements of the cylindrical electrostatic electrode and associated circuitry in the EF straight section of the Alternating Gradient Synchrotron which were necessary for supression of 100 Mc ringing in the electrode structure at the end of the acceleration cycle are described. A short electrode with a lead coming from the ...
A description is given of a lead slowing-down spectrometer (LSDS) installed at the 800-MeV proton accelerator of the Los Alamos Neutron Science Center (LANSCE). The LSDS is designed to study neutron-induced fission on actinides that can only be obtained or used in small quantities. The characteristics of this LSDS (energy time ...
This dissertation deals with the motion and ablation of stars in the collapse phase of a closed Friedmann inverse. Stars are initially accelerated due to the collapse of space. Radiation drag becomes increasingly important, however, and in most, and in most of the cases considered leads to maximum speeds and rapid deceleration. The external blackbody ...
The acceleration of protons to relativistic energies in active galactic nuclei leads to the creation
... ACCELERATION, SENSITIVITY, PRESSURE, LEAD COMPOUNDS, CALIBRATION, OILS, BARIUM COMPOUNDS, TITANIUM COMPOUNDS ...
... AND TEMPERATURES REQUIRED FOR THE PROCESSING OF COAL LEAD TO ACCELERATED CORROSION OF GASIFIER COMPONENTS BY ...
The China Spallation Neutron Source (CSNS) is an accelerator-based multidisciplinary user facility to be constructed in Dongguan, Guangdong, China. The CSNS complex consists of an H? linear accelerator, a rapid cycling synchrotron accelerating the beam to 1.6 GeV, a solid-tungsten target station, and instruments for spallation neutron ...
Hydroforming matched grids for an accelerator system of an ion thruster is described. The accelerator grid is stretched prior to hydroforming so that the center-to-center spacing of the whole array in the accelerator grid is larger than the screen grid. S...
The Stanford Linear Accelerator Center (SLAC) operates a high energy electron accelerator (capable of energies up to 50 GeV). During operation the instantaneous dose rates in the vicinity of the beam pipe due to beam losses can be extremely high. This res...
... Title : Railgun Plasma Armatures. ... CENTER FOR LASER APPLICATIONS. ... Descriptors : *ELECTROMAGNETIC GUNS, ACCELERATION ...
... and Charged Particle Acceleration ... TURBULENCE, CHARGED PARTICLES, ELECTROMAGNETIC ... HEATING, KINETICS, MAGNETIZATION, HIGH ...
Accelerator Driven Systems (ADS) present one of the most viable solutions for transmutation and effective utilization of nuclear fuel. Spent fuel from reactors will be partitioned to separate plutonium and other minor actinides to be transmuted in the ADS. Without the ADS, minor actinides must be stored at a geologic repository for long periods of time. One problem with ADS is ...
... Title : An Analysis of the Procurement Administrative Lead Time at the Naval Regional Contracting Center Philadelphia. ...
The energetics of the primary electron donor (the special pair P) in reaction centers from Rhodopseudomonas viridis were modified by site-directed mutagenesis of histidine L168 to phenylalanine. This leads to the loss of a hydrogen bond between the amino acid side chain and the ring I acetyl carbonyl oxygen of the bacteriochlorophyll molecule BChl{sub LP}. ...
Skip to main content. Welcome to the Virtual Visitor Center at SLAC Virtual Visitor Center at SLAC banner SLAC Main Topics Home Accelerator Detectors Experiments History Nobel...
The Regional Economic Development Center (REDC) represents the University in its 'outreach' or service to the region in the field of economic development. The Center's main objective is to accelerate the developmental process. This means the building and ...
Speedy sports cars have met their match: A new magnetic levitation or maglev track at the Marshall Center accelerates a model spacecraft from zero to 60 ...
The Center for Beam Physics (CBP) is a multidisciplinary research and development unit in the Accelerator and Fusion Research Division at the Ernest Orlando Lawrence Berkeley National Laboratory of the University of California. At the heart of the Center'...
As NASA's lead center for rocket propulsion testing, the John C. Stennis Space Center (SSC) monitors
Siberian Snakes provide a practical means of obtaining polarized proton beams in large accelerators. The effect of snakes can be understood by studying the dynamics of spin precession in an accelerator with snakes and a single spin resonance. This leads t...
Furthermore, EC mitosis and apoptosis are accelerated in the areas with complex flow. Such accelerated cell turnover leads to an enhanced macromolecular ...
... can lead to serious emittance growth. ... ion channel motion on beam transport in ... Compact accelerators, Charged particle beams, Relativistic electron ...
... Accelerating Factor (DAF) Increases Survival and Limits Tissue Injury After ... Hemorrhagic blood loss or resuscitation following hemorrhage leads to ...
Similar to the power leads of accelerator superconducting magnets, the power couplers of accelerator superconducting cavities are components that link room temperature to superfluid helium temperature for the purpose of energy transfer. Instead of conduct...
A brief review on the emergent applications of laser technology to particle accelerators is provided. Important developments in laser technology that lead to the application are introduced.
... design used stainless rails to center the part under t "knee" bend, and tapered lead-ins to center across the lead fra width. This centering method ...
May 1, 2001 ... Goddard Space Flight Center is lead Center; PE Leads at 5 NASA Centers and JPL; Co-funded by NASA HQ Codes Q and AE; Later expands to ...
A literature review and manufacturers survey was conducted to identify the status of accelerated testing and published information pertinent to battery life. The principles of accelerated testing are reviewed with reference to lead-acid batteries. Preliminary experimental designs for accelerated testing of ...
The present research program is centered on the experimental and numerical study of two instabilities that develop at the interface between two different fluids when the interface experiences an impulsive or a constant acceleration. The instabilities, called the Richtmyer-Meshkov and Rayleigh-Taylor instability, respectively (RMI and RTI), adversely ...
Arctic climate system change has accelerated tremendously since the beginning of this century, and a strikingly extreme sea-ice loss occurred in summer 2007. However, the greenhouse-gas-emissions forcing has only increased gradually and the driving role in Arctic climate change of the positively-polarized Arctic/North Atlantic Oscillation (AO/NAO) trend has been substantially ...
We present a statistical analysis of the relationship between the kinematics of the leading edge and the eruptive prominence in coronal mass ejections (CMEs). We study the acceleration phase of 18 CMEs in which kinematics was measured from the pre-eruption stage up to the post-acceleration phase. In all CMEs, the three part structure ...
The Brookhaven Tandem Facility has been recently joined to the Alternating Gradient Synchrotron (AGS) by means of an approx. =680 meter long heavy ion transfer line. The design and construction of this line are described as well as the Tandem and AGS modifications which made it possible to initiate a relativistic heavy ion research program. Operational experience and performance during the first ...
We find evidence for accelerated evolution in compact group galaxies from the distribution in mid-infrared colorspace of 42 galaxies from 12 Hickson Compact Groups (HCGs) compared to the distributions of several other samples including the LVL+SINGS galaxies, interacting galaxies, and galaxies from the Coma Cluster. We find that the HCG galaxies are not uniformly distributed ...
