The Oak Ridge National Laboratory (ORNL) organized a workshop at ORNL July 14-15, 2005, to highlight the unique measurement capabilities of the Oak Ridge Electron Linear Accelerator (ORELA) facility and to emphasize the important role of ORELA for perform...

Oak Ridge National Laboratory Physics Division The Oak Ridge Electron Linear Accelerator Pulsed Neutron Source The ORELA is a powerful electron accelerator-based neutron source...

The Oak Ridge National Laboratory (ORNL) organized a workshop at ORNL July 14-15, 2005, to highlight the unique measurement capabilities of the Oak Ridge Electron Linear Accelerator (ORELA) facility and to emphasize the important role of ORELA for performing differential cross-section measurements in the low-energy ...

A report is given describing the programming, word formats, control signals, voltage levels, connector layouts, ground isolation, and a theory of operation with a simplified logic diagram for the Oak Ridge Electron Linear Accelerator (ORELA) Device Controllers. The ORELA Isolated Pulse Generators are also described.

The Oak Ridge Electron Linear Accelerator (ORELA) passed the 100,000 hours of operation milestone in October, 1992, and continues to operate as an intense, pulsed neutron source. In addition to performing measurements of interest to applied and basic research, they are involved in international nuclear data evaluation activities, as well as nuclear model ...

Based on two conceptual design studies performed by the LANL Accelerator Technology Division, the possibilities in terms of accelerator systems for replacing ORELA with a more intense Maxwellian-type continuous-energy neutron source are summarized and discussed. The neutron intensities from ORELA are compared with ...

A tungsten moderator will be placed behind the target of the Oak Ridge Electron Linear Accelerator (ORELA) to convert gamma radiation to slow positrons. These will be extracted and led through evacuated solenoids to an experiment room. A Penning trap will...

The time dependent spectrum of neutrons in the water-moderated Oak Ridge Electron Linear Accelerator (ORELA) target has been calculated using a modified version of the MORSE multi-group Monte Carlo code with an analytic hydrogen scattering model. Distribu...

The 40-meter capture system of R.L. Macklin at ORELA has been used to measure capture cross sections for over eighty isotopes between A = 75 and 161, the primary mass region of interest for fission products. This review outlines the primary features of the capture system, lists the isotopes measured and their references, and describes recent changes incorporated in the capture ...

A report is given describing programming, word formats, control signals, voltage levels, connector layouts, ground isolation, input level-matching, and a theory of operation with a simplified logic diagram for the Four-Channel Priority Multiplexer on the SEL 810B data acquisition computers at the Oak Ridge Electron Linear Accelerator (ORELA).

We have made high-resolution neutron capture and transmission measurements on isotopically enriched samples of (sup 134)Ba and (sup 136)Ba at the Oak Ridge Electron Linear Accelerator (ORELA) in the energy range from 20 eV to 500 keV. Previous measurement...

Flight-path lengths have been measured by laser techniques for the 200-, 80-, and 18-m stations along flight path 1, and for the 5-, 20-, 40-, and 150-m stations along flight path 6 at the Oak Ridge Electron Linear Accelerator (ORELA). In each case the di...

.2 Characteristics of neutron facilities (spallation reaction). . . . 22 1.3 Characteristics of photoneutron.3: Characteristics of photoneutron facilities. Facility GELINA ORELA n�ELBE @ IRMM ORNL FZ Dresden Accelerator energy

The Oak Ridge Electron Linear Accelerator (ORELA) was used to measure neutron total and capture cross sections of aluminium, natural chlorine and silicon in the energy range from 100 eV to {approx}600 keV. ORELA is the only high power white neutron source with excellent time resolution and ideally suited for these experiments still ...

We have implemented a 4{pi} BaF{sub 2} detector system at the Oak Ridge Electron Linear Accelerator (ORELA) for making (n,{gamma}) measurements of interest to nuclear astrophysics. This new detector will allow us to work with smaller samples and to avoid potential problems with the pulse-height weighing technique used in other systems. Also, our first ...

We have used the Oak Ridge Electron Linear Accelerator (ORELA) to measure neutron total and capture cross sections of {sup 27}Al in the energy range from 100 eV to {approximately}400 keV. We report the resonance parameters as well as the Maxwellian average capture cross sections.

We have used the Oak Ridge Electron Linear Accelerator (ORELA) to measure neutron total and capture cross sections of (sup 27)Al in the energy range from 100 eV to (approximately)400 keV. We report the resonance parameters as well as the Maxwellian averag...

Differential cross sections for the neutron-induced gamma-ray production from natural vanadium have been measured for incident neutron energies between 0.2 and 20.0 MeV. The Oak Ridge Linear Accelerator (ORELA) was used to provide the neutrons and a NaI s...

accelerates protons to generate pulsed neutrons, ORELA bom- bards a tantalum target with electrons, producing's moat with cyber- alligators to keep out the invaders.--B.C. New organizations include Neutron Sciences and two new divisions. The Spallation Neutron Source and High Flux Isotope Reactor have been combined

Neutron capture by natural rhodium ( exp 103 Rh) and enriched stable isotopes of ruthenium (100 to 104) and palladium (104 to 110) were measured at the Oak Ridge Electron Linear Accelerator pulsed neutron facility. Average pure isotope cross sections from...

This report will contain details of the construction and operation of the positron beam line. Special procedures which are performed on a less frequent basis will also be described. Appendices will contain operating instructions for experiments which make use of the positron beam and are connected to the beam line. Finally, a review of safety-related considerations will be presented.

The authors have made new and improved measurements of the neutron capture and total cross sections of (sup 88)Sr at the Oak Ridge Electron Linear Accelerator (ORELA). Improvements over previous measurements include a wider incident neutron energy range, ...

Differential cross sections for the neutron-induced gamma-ray production from sodium were measured for incident neutron energies between 0.2 and 20.0 MeV. The Oak Ridge Electron Linear Accelerator (ORELA) was used to provide the neutrons and a NaI spectro...

High-resolution neutron transmission measurements through several thicknesses of (sup 59)Co were performed in 1986 at the Oak Ridge Electron Linear Accelerator (ORELA) in conjunction with the ENDF/B-VI evaluation of (sup 59)Co done at Argonne National Lab...

High-resolution neutron transmission measurements have been made on several thicknesses of nitrogen gas samples from 0.5 eV to 50 MeV at the Oak Ridge Electron Linear Accelerator (ORELA). A preliminary R-matrix analysis has been done for resonances up to ...

The neutron transmission through a 8.1-cm sample of pure sodium has been measured for neutron energies between 32.5 keV and 37.4 MeV. The Oak Ridge Electron Linear Accelerator (ORELA) was used to provide the neutrons, which were detected at the 200-m flig...

The neutron transmission through a 5.09-cm sample of natural magnesium was measured for neutron energies between 9 keV and 39 MeV. The Oak Ridge Electron Linear Accelerator (ORELA) was used to provide the neutrons, which were detected at the 200-m flight ...

Neutron transmissions through Teflon (CF sub 2 ) and carbon were measured to provide high resolution transmission and cross sections for fluorine from 5 eV to 20 MeV. The Oak Ridge Electron Linear Accelerator (ORELA) was used for the neutron source. The 8...

High-resolution neutron transmission and differential elastic scattering measurements have been made on samples of nitrogen from 0.5 eV to 10 MeV at the Oak Ridge Electron Linear Accelerator (ORELA). For the transmission measurement several different dete...

An experimental program has been initiated at the Oak Ridge electron Linear Accelerator (ORELA) to measure yields of individual gamma rays resulting from interactions of 0.2- to 40-MeV neutrons with elements of structural materials of interest both for ap...

It is described an empirical correction based upon experimental datas of others authors in ORELA, GELINA and SLAC accelerators, to the calculation of the energy loss due to the beam loading effect as stated by the RF power diffusion equation theory an acc...

To support the Nuclear Criticality Safety Program, the Oak Ridge Electron Linear Accelerator (ORELA) has been used to measure the total and capture neutron cross sections of several nuclides in the energy range from 100 eV to -600 keV. Concerns about the use of existing cross section data in nuclear criticality calculations have been a prime motivator for ...

The authors have made use of the Oak Ridge Electron Linear Accelerator (ORELA) to measure the fission cross section of {sup 233}U in the neutron energy range of 0.36 eV to {approximately} 700 keV. This paper reports integral data and average cross sections. In addition they measured the total neutron cross section of {sup 27}Al and natural chlorine, as ...

Major neutron cross section measurements made at the Oak Ridge Electron Linear Accelerator (ORELA) that are useful to the fusion energy program are reviewed. Cross sections for production of gamma rays with energies 0.3 < E/sub ..gamma../ < 10.5 MeV were measured as a function of neutron energy over the range 0.1 < E/sub n/ < 20.0 MeV for Li, ...

Many older neutron cross-section evaluations from libraries such as ENDF/B-VI or JENDL-3.2 exhibit deficiencies or do not cover energy ranges that are important for criticality safety applications. These deficiencies may occur in the resolved and unresolved-resonance regions. Consequently, these evaluated data may not be adequate for nuclear criticality calculations where effects such as ...

Many older neutron cross-section evaluations from libraries such as ENDF/B-VI or JENDL-3.2 exhibit deficiencies or do not cover energy ranges that are important for criticality safety applications. These deficiencies may occur in the resolved and unresolved-resonance regions. Consequently, these evaluated data may not be adequate for nuclear criticality calculations where effects such as ...

We have used the Oak Ridge Electron Linear Accelerator (ORELA) to measure neutron total and the fission cross sections of ²³³U in the energy range from 0.36 eV to ~700 keV. We report average fission and total cross sections. Also, we measured the neutron total cross sections of ²⁷Al and Natural chlorine as well ...

The time dependent spectrum of neutrons in the water-moderated Oak Ridge Electron Linear Accelerator (ORELA) target has been calculated using a modified version of the MORSE multi-group Monte Carlo code with an analytic hydrogen scattering model. Distributions of effective neutron distance traversed in the target are estimated with a time and energy ...

The ORNL electron LINAC, ORELA, began operation in 1969 and has been instrumental in providing improved neutron cross section data for many isotopes over the 0.002-60 MeV energy range. The ORELA utilizes a 4-30 ns <1000 Hz pulsed gridded electron gun, a 4 section RF LINAC, and a water-cooled and moderated tantalum target to generate short neutron ...

High-resolution neutron transmission measurements through several thicknesses of Co-59 were performed in 1986 at the Oak Ridge Electron Linear Accelerator (ORELA) in conjunction with the ENDF/B-VI evaluation of Co-59 done at Argonne National Laboratory. These measurements have much better energy resolution than previously published transmission ...

The actinide cross section program at ORELA, the Oak Ridge Electron Linear Accelerator, is aimed at obtaining accurate neutron cross sections (primarily fission, capture, and total) for actinide nuclides which occur in fission reactors. Such cross sections, measured as a function of neutron energy over as wide a range of energies as feasible, comprise a ...

For almost 40 years the Oak Ridge Electron Linear Accelerator (ORELA) at Oak Ridge National Laboratory (ORNL) has been operational and has provided high-resolution neutron cross-section data for many isotopes in the energy range from thermal up to 60 MeV. ORELA is a four-section radiofrequency electron linear ...

The neutron resonance parameters of {sup 238}U were obtained from a SAMMY analysis of high-resolution neutron transmission measurements and high-resolution capture cross section measurements performed at the Oak Ridge Electron Linear Accelerator (ORELA) in the years 1970-1990, and from more recent transmission and capture cross section measurements ...

Photo-fission has been proposed for production of neutron-rich radioactive isotopes because potentially attractive absolute fission yields may be achieved with a modest-cost electron accelerator, and because the relative production of the most neutron-rich isotopes should be substantially enhanced in photo-fission compared to fission induced by protons and other light-ion ...

A new multiparameter data acquisition system has been developed and fabricated at the Oak Ridge Electron Linear Accelerator (ORELA) which utilizes an IBM PS/2 Model 80 personal computer and data handler with a 2048 word buffer. The acquisition system can simultaneously acquire data from one, two, or three digitizers, multiplex up to four detectors, read ...

The most recent information concerning the production and performance of ORELA electron guns is presented. Included are descriptions of procedures for gun fabrication, cathode conditioning and high voltage processing. Highlights of the performance characteristics are also included.

The most recent information concerning the production and performance of ORELA electron guns is presented. Included are descriptions of procedures for gun fabrication, cathode conditioning and high voltage processing. Highlights of the performance charact...

A two-day workshop on the accelerator for particle therapy was held on August 22-23, 1990, with the aim of mutual understanding of medical accelerators among investigators. The state-of-the-art facilities in Japan and medical proton accelerators in Japan ...

In this paper the time-dependent spectrum of neutrons in the water-moderated Oak Ridge Electron Linear Accelerator (ORELA) target is calculated using a modified version of the MORSE multigroup Monte Carlo code with an analytic hydrogen scattering model. Distributions of effective neutron distance traversed in the target are estimated with a time- and ...

We have made high-resolution neutron capture and transmission measurements on isotopically enriched samples of {sup 134}Ba and {sup 136}Ba at the Oak Ridge Electron Linear Accelerator (ORELA) in the energy range from 20 eV to 500 keV. Previous measurements had a lower energy limit of 3 - 5 keV, which is too high to determine accurately the ...

We have completed measurements of the {sup 142, 144}Nd(n,{gamma}) cross sections from approximately 20 eV to 200 keV at the Oak Ridge Electron Linear Accelerator (ORELA) using a recently improved C{sub 6}D{sub 6} detector apparatus. {sup 142}Nd is an s-only isotope, i.e. it is only formed during the s-process. It has a closed neutron shell and therefore ...

In support of the Nuclear Criticality Predictability Program established in response to the Defense Nuclear Facility Safety Board Recommendation 93-2, time-of-flight (TOF) measurements of the fission cross sections of {sup 233}U in the neutron energy range from 0.36 eV to several hundred keV have been initiated at the Oak Ridge Electron Linear Accelerator ...

Differential cross sections for the neutron-induced gamma-ray production from copper have been measured for incident neutron energies between 0.2 and 20.0 MeV. The Oak Ridge Linear Accelerator (ORELA) was used to provide the neutrons and a NaI spectrometer to detect the gamma rays at 125$sup 0$. The data presented are the doubly differential ...

Group 1: Electron Acceleration and Propagation. Group Leader: ... for electron propagation and acceleration; Observational and theoretical constraints on ...

A summary of the proceedings from the workshop are presented. The areas covered were solar activity,

Abstracts of individual items from the workshop were prepared separately for the data base. (ERA citation 10:003143)

The neutron total cross section for 33S has been determined for energies from 10keV up to 2 MeV at the Oak Ridge Electron Linear Accelerator (ORELA) by a time-of-flight (TOF) transmission experiment. By combining these results with (n, ?) data obtained at the Geel Electron Linear Accelerator (GELINA), resonance parameter (E?, J?, and ...

of Advanced Accelerator Concepts. Student poster award winners: Working Group 1: Laser-plasma accelerators Poster winner: Jens Osterhoff, MPQ Working Group 2: Computation Poster...

We discuss perspective of the National Nuclear Data Center on nuclear reaction databases, focusing on contributions from the ORELA machine over more than 3 decades. We conclude that ORELA had profound impact on nuclear reaction databases, in particular CSISRS and ENDF. In addition, ORELA contributed considerable amount of data included ...

... Subject Categories : PARTICLE ACCELERATORS NUCLEAR PHYSICS & ELEMENTARY PARTICLE PHYSICS. Distribution ...

... the development of composting as a ... CLEANING, CONTAMINATION, SOLID WASTES, COMPOSTS, WASTE TREATMENT, ACCELERATED ...

This document is a compilation of material collected as the results of a workshop, Applications of Accelerators, held at the Stanford Linear Accelerator Center, 1--2 December 1993. The material collected here has been edited for style and to minimize dupl...

This report is a summary of a workshop on the use of workstation- based operator interfaces in accelerator control systems. The workshop was held on 2 November 1989 as part of the 1989 International Conference on Accelerator and Large Experimental Physics Control Systems, Vancouver, British Columbia, Canada. 10 ...

Workshop proceedings-Papers presented at the International Workshop on Acceleration and Radiation Generation in Space and Laboratory. Plasmas Kardamyli, Greece, August 29 - September 4, 1993.

Better measurements and evaluations are needed for many elements where the existing evaluations or the underlying nuclear cross-section data are not sufficiently accurate for reliable calculation of criticality safety margins. Deficiencies in the existing ENDF/B-VI data evaluation for Cl led to our resonance parameter evaluation of Cl neutron cross sections in the resolved resonance region with ...

Because of its small cross section, the ⁸⁸Sr(n,g) reaction is an important bottleneck during s-process nucleosynthesis. Hence, an accurate determination of this rate is needed to better constrain the neutron exposure in s-process models and to more fully exploit the recently discovered isotopic anomalies in certain meteorites. We have completed the resonance analysis of our ...

Calculations are made showing that the ion temperature of a deuterium plasma with a Maxwellian distribution can be found by measuring the transmission of the d-d neutrons through liquid oxygen. The method is useful for temperatures up to 6 keV. It does not depend on the absolute neutron yield but does require accurate total neutron cross sections for oxygen. In this experiment the cross section of ...

Procedures for analysis of resonance neutron cross-section data have been implemented in a state-of-the-art computer code SAMMY, developed at the Oak Ridge Electron Linear Accelerator (ORELA) at Oak Ridge National Laboratory. A unique feature of SAMMY is the use of Bayes' equations to determine ''best'' values ...

High-resolution neutron transmission, capture and differential elastic scattering measurements have been made for /sup 58/Ni-enriched targets at the Oak Ridge Electron Linear Accelerator (ORELA) from the eV to the MeV region. The three sets of data were analyzed simultaneously from 10 to 450 keV, and the transmission analysis was extended to 650 keV. For ...

For two weeks in August of 2005, 668 physicists gathered in the Rocky Mountains of Colorado to study the physics, the detectors and the accelerator of the International Linear Collider. For the first time, a fully international physics and detector workshop was held in conjunction with the ILC Accelerator workshop.

Summary of the 12th Advanced Accelerator Concept (AAC 2006) Workshop help by NIU and ANL on July 10th-15th 2006 in Lake Geneva WI. The proceedings of the workshop have been published as an AIP conference proceedings "12th Advanced Accelerator Concepts Workshop� volume 877.

This paper contains a short summary on accelerator designs. Kaon factory, boosters, polarized beams and power supplies are all briefly mentioned.

& Workshops Beams and Applications Seminar Argonne-UChicago-Fermilab Collaboration Lee Teng Scholarship Program Useful Links Argonne Accelerator Institute In 2006, Argonne...

ORELA (Oak Ridge Electron Linear Accelerator) has been for the last decade the most powerful and useful pulsed neutron time-of-flight facility in the world, particularly in the broad midrange of neutron energies (10 eV to 1 MeV). This position will be enhanced with the addition of a pulse narrowing prebuncher, recently installed and now under test. Neutron ...

Because of its excellent energy resolution, ORELA is particularly well suited for measurements in the resolved resonance region that impact nuclear reaction model calculations. These measurements allow the determination of average level widths, level dens...

Topics covered in the workshop include: extra-terrestrial and reactor neutrinos; accelerator neutrinos; neutrino mass; neutrino oscillations; and intense neutrino beams. (GHT)

Topics covered in the workshop include: extra-terrestrial and reactor neutrinos; accelerator neutrinos; neutrino mass; neutrino oscillations; and intense neutrino beams. (ERA citation 06:029442)

Maya Gokhale of the Lawrence Livermore National Laboratory presents at the JGI/Argonne HPC Workshop on January 26, 2010

The research performed during this reporting period consisted primarily of (1) measurement, analysis, and publication of the /sup 187/Os(n,n') cross section near 30 keV, (2) measurement and analysis of the /sup 148/ /sup 149/ /sup 159/Sm(n,..gamma..) cross sections, (3) development and publication of a significantly better approximation to the average neutron scattering function as ...

This volume contains the proceeding and individual papers presented at the Fifth PTCOG meeting and International Workshop on Biomedical Accelerators. The meeting was divided into sessions on the biomedical aspects of therapy delivery, new biomedical accel...

The meeting was prompted by recent problems with isotope availability from DOE accelerator facilities; these difficulties have resulted from conflicting priorities between physics experiments and isotope production activities. The workshop was a forum in ...

By the end of FY 2005, 56% of the States had either engaged in an Accelerated Construction Technology Transfer (ACTT) workshop or had one scheduled within the next 12 months, with an additional 10 host agencies considering workshops in FY 2006. ACTT works...

The concept of a ''Global Accelerator Network'' (GAN) has been put forward as a means for inter-regional collaboration in the operation of internationally constructed and operated frontier accelerator facilities. A workshop was held to allow representatives of the accelerator ...

... ACCELERATOR TECHNIQUES, SOURCES, INTENSITY, LOW ENERGY, STORAGE, RINGS, PARITY, TRAPS, IONS, PORTABLE EQUIPMENT ...

... NDIA - National Defense Industrial Association Conference Proceedings. ... in Space and Laboratory Plasmas Held in Kardamyli, Greece on 29 Aug ...

A new multiparameter data acquisition system for the Oak Ridge Electron Linear Accelerator (ORELA) was developed, fabricated and tested. This system uses an IBM PS/2 Model 80-111 personal computer and a data handler with a 2048-word buffer. The buffer can accept data at a rate exceeding one million events per second in bursts of 512 words of 64-bits ...

Topics covered in this workshop include accelerator physics, particle physics, and new acceleration methods. Eighteen lectures were presented. Individual abstracts were prepared separately for the data base. (ERA citation 10:024247)

Presented at the Workshop on Accelerator Magnet Superconductors (WAMS), Archamps, France, 22-24 March 2004. US LHC ACCELERATOR RESEARCH PROGRAM HIGH-FIELD MAGNET R&D James Strait Fermi National for the magnet design and for the cryogenic system. Fig. 3 Peak local power deposition (left) and linear power

There have been many reports of non-statistical effects in neutron-capture measurements. However, reports of deviations of reduced-neutron-width ({Gamma}n{sup 0}) distributions from the expected Porter-Thomas (PT) shape largely have been ignored. Most of these deviations have been reported for odd-A nuclides. Because reliable spin (J) assignments have been absent for most resonances for such ...

There have been many reports of non-statistical effects in neutron-capture measurements. However, reports of deviations of reduced-neutron-width ({gamma}{sub n}{sup 0}) distributions from the expected Porter-Thomas (PT) shape largely have been ignored. Most of these deviations have been reported for odd-A nuclides. Because reliable spin (J) assignments have been absent for most resonances for such ...

There have been many reports of non-statistical effects in neutron-capture measurements. However, reports of deviations of reduced-neutron-width (?n0) distributions from the expected Porter-Thomas (PT) shape largely have been ignored. Most of these deviations have been reported for odd-A nuclides. Because reliable spin (J) assignments have been absent for most resonances for such nuclides, it is ...

Because silicon is a major constituent of concrete and soil, neutron and gamma ray information on silicon is important for reactor shielding and criticality safety calculations. Therefore, much effort was put into the ENDF/B-VI evaluation for the three stable isotopes of silicon. The neutron capture cross section of natural silicon was recently measured at the Oak Ridge Electron Linear ...

In the late 1960s, Strutinsky's theoretical work on the structure of the fission barrier, together with some new neutron cross-section measurements performed at Saclay and Gel, was called to Gerard de Saussure's attention, and he immediately recognized the importance of those developments. Indeed, de Saussure was quick to note that for neutron energies in the range of the fission ...

Polarized Electron Source workshops have been held at varying intervals, beginning in 1983 when Charles Sinclair convened the first at SLAC. Since that time, three workshops were held in conjunction with the International Spin Symposia and two at other occasions. The increasing importance of polarized electron beams at accelerators has ...

This is the summary of presentations and discussions of the High Gradient and EM Structure Based Accelerators Working Group at the 2008 Advanced Accelerator Concepts Workshop. The working group mission statement and charge are described and presentations on different topics are summarized. The topics include investigations of high ...

High-resolution neutron transmission and differential elastic-scattering measurements were made for a {sup 56}Fe-enriched iron target at the Oak Ridge Electron Linear Accelerator (ORELA). A natural iron target was used for transmission measurements below 160 keV. The data were analyzed from 5 to 850 keV. Parameters were obtained for 33 {ell} = 0 and 242 ...

In order to meet the cross section needs required by astrophysical calculations within recent cosmological models, the neutron-capture cross section facility at the Oak Ridge Electron Linear Accelerator (ORELA) has been improved and restored to operation. Changes to the system include replacement of the C6F6 scintillation detectors with C6D6, reduction of ...

Measurements of (n,p) and (n,{alpha}) cross sections are crucial for a better understanding of many scenarios of nucleosynthesis. Current problems in which such reactions play a roll include the possible synthesis of heavy element during the big bang. The production of several rare isotopes in explosive nucleosynthesis, and a better understanding of the role of the s process in the synthesis of ...

Several recent analyses using the multigroup MORSE Monte Carlo code are presented. In the calculation of a highly directional-dependent neutron streaming experiment it is shown that P{sub 7} cross section representation produces results virtually identical with those from an analog code. Use has been made here of a recently released ENDF/B-VI data set. In the analysis of neutron distributions ...

Neutron capture by natural rhodium (/sup 103/Rh) and enriched stable isotopes of ruthenium (100 to 104) and palladium (104 to 110) were measured at the Oak Ridge Electron Linear Accelerator pulsed neutron facility. Average pure isotope cross sections from three to several hundred keV were derived. The neutron flux shape was determined relative to ENDF/B V standard /sup ...

Neutron capture by natural rhodium (/sup 103/Rh) and enriched stable isotopes of ruthenium (100 to 104) and palladium (104 to 110) were measured at the Oak Ridge Electron Linear Accelerator pulsed neutron facility. Average pure isotope cross sections from three to several hundred keV were derived. The neutron flux shape was determined relative to ENDF/B V standard /sup ...

The R-matrix resonance analysis of experimental neutron transmission and cross sections of {sup 233}U, with the Reich-Moore Bayesian code SAMMY, was extended up to the neutron energy of 600 eV by taking advantage of new high resolution neutron transmission and fission cross section measurements performed at the Oak Ridge Electron Linear Accelerator ...

Differential cross sections for the neutron-induced gamma-ray production from oxygen were measured for incident neutron energies between 6.5 and 20.0 MeV. The Oak Ridge Electron Linear Accelerator (ORELA) was used to provide the neutrons and a NaI spectrometer to detect the gamma rays at 125/sup 0/. The data presented are the double differential cross ...

The authors have made new and improved measurements of the neutron capture and total cross sections of {sup 88}Sr at the Oak Ridge Electron Linear Accelerator (ORELA). Improvements over previous measurements include a wider incident neutron energy range, the use of metallic rather than carbonate samples, better background subtraction, reduced sensitivity ...

A series of new neutron capture and transmission measurements has been undertaken at the Oak Ridge Electron Linear Accelerator (ORELA) in response to deficiencies identified in nuclear data libraries of crucial importance to the Nuclear Criticality Safety Program. New data and evaluations including covariances are required for several stable fission ...

High-resolution neutron transmission measurements have been made on several thicknesses of nitrogen gas samples from 0.5 eV to 50 MeV at the Oak Ridge Electron Linear Accelerator (ORELA). A preliminary R-matrix analysis has been done for resonances up to 800 keV. An R-matrix analysis of previous data was done by LANL and ENDF/B-VI, including the lowest ...

High-resolution neutron transmission and differential elastic scattering measurements have been made on samples of nitrogen from 0.5 eV to 10 MeV at the Oak Ridge Electron Linear Accelerator (ORELA). For the transmission measurement several different detectors were used at various flight path lengths, with high-purity nitrogen gas samples. The data have ...

An experimental program has been initiated at the Oak Ridge electron Linear Accelerator (ORELA) to measure yields of individual gamma rays resulting from interactions of 0.2- to 40-MeV neutrons with elements of structural materials of interest both for applied needs and basic research. In this paper we outline this program and present some cross-section ...

Neutron resonance parameters remain some of the most important information for testing random matrix theory (RMT), even more than fifty years after such data served as the original impetus for its creation. RMT implicitly assumes that reduced neutron widths ??n^0 of s-wave resonances ? follow a Porter-Thomas distribution (PTD). Currently, the overwhelming consensus is that ??n^0 data agree with ...

The Defense Nuclear Facility Safety Board (DNFSB) Recommendation 93-2 motivated the US Department of Energy (DOE) to develop a comprehensive criticality safety program to maintain and to predict the criticality of systems throughout the DOE complex. To implement the response to the DNFSB Recommendation 93-2, a Nuclear Criticality Safety Program (NCSP) was created including the following tasks: ...

The 13th International Magnetic Measurement Workshop was held at the Stanford Linear Accelerator Center from Monday, May 19 through Thursday, May 22, 2003. All professionals in the field of magnetic measurements were encouraged to attend. The workshop was primarily concerned with equipment and techniques for measuring and fiducializing ...

We describe the proceedings of the Workshop on the Uses and Generation of Femtosecond Radiation, held at the E.O. Lawrence Berkeley National Laboratory (LBNL), in February 1998, and some of the ideas that were generated subsequent to the workshop. The motivation for this workshop was to bring together accelerator ...

A workshop on the physics and applications of microwave-absorbing materials in accelerators and related systems was held at CEBAF February 22-24, 1993. The gathering brought together about 150 scientists and representatives of industries from all over the world. The main topics of discussion were the properties of ...

The INTRODUCTION to this paper summarizes the history of the Global Accelerator Network (GAN) concept and the recent workshops that discussed the relationship between GAN and Remote Operations. The REMOTE OPERATIONS SCENARIOS section brings out the organizational philosophy embodied in GAN-like and to non-GAN-like scenarios. The set of major TOPICS RAISED ...

The INTRODUCTION to this paper summarizes the history of the Global Accelerator Network (GAN) concept and the recent workshops that discussed the relationship between GAN and Remote Operations. The REMOTE OPERATIONS SCENARIOS section brings out the organizational philosophy embodied in GAN-like and to non-GAN-like scenarios. The set of major TOPICS RAISED ...

The INTRODUCTION to this paper summarizes the history of the Global Accelerator Network (GAN) concept and the recent workshops that discussed the relationship between GAN and Remote Operations. The REMOTE OPERATIONS SCENARIOS section brings out the organizational philosophy embodied in GAN-like and to non-GAN-like scenarios. The set of major TOPICS RAISED ...

This volume contains the proceeding and individual papers presented at the Fifth PTCOG meeting and International Workshop on Biomedical Accelerators. The meeting was divided into sessions on the biomedical aspects of therapy delivery, new biomedical accelerators, facilities, and beam localization and status report. Individual papers ...

We review the present status of the field of New Acceleration Concepts, as presented at the Lake Arrowhead workshop, held at the beginning of 1989. Many new and promising results have been obtained recently, and the field is actively developing. We discuss briefly some of the main results presented at the workshop. 43 refs., 2 tabs.

On October 26-29, 2004, the Heavy Ion Fusion (HIF) Virtual National Laboratory (VNL) hosted a workshop at Lawrence Berkeley National Laboratory (LBNL) on 'Accelerator- Driven High Energy Density Physics (HEDP).' The workshop was attended by sixty five res...

These proceedings represent papers presented at the High Energy Solar Physics Workshop at the Goddard Space Flight Center in Maryland. Recent developments in the study of solar flares were discussed. Special emphasis was placed on high energies. The topics discussed include processes of flare energy release, particle acceleration, ...

The authors have developed an improved C{sub 6}D{sub 6} detector system, a high-purity germanium n-type detector system, and a new BaF{sub 2} system for capture and fission measurements at ORELA. With their set of different detectors, they are able to measure high-precision data for total cross-section measurements, as well as fission, elastic scattering, {gamma}-ray, and ...

Advances in and physics of the acceleration of particles using underdense plasma structures driven by lasers were the topics of presentations and discussions in Working Group 1 of the 2010 Advanced Accelerator Concepts Workshop. Such accelerators have demonstrated gradients several orders beyond conventional ...

We summarize the presentations and discussions on advanced computation in advanced accelerators at the 2010 Advanced Accelerator Concepts Workshop. Common themes and needs are discussed. Future prospects and areas ripe for exploration are also given.

Nineteen papers and three summary sessions (theoretical, simulation codes, and experimental approach) are presented on the effects of space charge in linear accelerators. A separate abstract was prepared for each paper for inclusion in Energy Research Abstracts (ERA). (PMA)

Nineteen papers and three summary sessions (theoretical, simulation codes, and experimental approach) are presented on the effects of space charge in linear accelerators. A separate abstract was prepared for each paper for inclusion in Energy Research Abs...

The group considered physics, accelerator, and polarized source issues. Most of the physics study was concerned with what significant and unique experiments could be done if polarized protons could be accelerated in the main injector and eventually in the Tevatron. 12 refs., 4 figs.

This report contains papers on the following accelerator topics: current alignment topics; toolboxes: instrumentation, software, and methods; fiducialization of conventional magnets; fiducialization of superconducting magnets; and next generation linear colliders.

With increasingly stringent requirements on the performance of accelerators and storage rings, there is a wide interest in modeling-based control. The organizers recognized the need to have an overview and discussion on the current status of modeling-base...

A report is given of activities and operations at the Fermilab Accelerator during the month of May, 1978. Topics discussed include: a workshop on particle channeling at high energy; summary of operations; monthly operations history; beam utilization by ex...

High voltage insulation problems in electrostatic accelerators are discussed. The aim of the analysis is to broaden the knowledge, highlight the characteristics of insulation technology and design strategies to improve use. The basic geometry of the insul...

A summary is presented of workshop deliberations on basic scaling, the economic viability of laser drive power for HEP accelerators, the availability of electron beam injectors for near-term experiments, and a few very general remarks on technology issues.

A summary is given on the work presented and discussed in the Laser-Plasma Acceleration Working Group at the 2004 Advanced Accelerator Concepts Workshop, including the Plasma Acceleration Subgroup (Group-Leader: Eric Esarey; Co-Group-Leader: Sergei Tochitsky) and the Plasma Guiding Subgroup (Group-Leader: Howard ...

This report summarizes presented results and discussions in the Working Group 3 at the Twelfth Advanced Accelerator Concepts Workshop in 2006. Presentations on varied topics, such as laser proton acceleration, novel radiation sources, active medium accelerators, and many others, are reviewed, and the status and ...

In this introductory paper at the second Workshop on Laser Acceleration my main goal is to set what I believe to be the energy and luminosity requirements of the machines of the future. These specifications are independent of the technique of accelerations. But, before getting to these technical questions, I will briefly review where ...

A review is given of recent progress in this field, drawing heavily upon material presented at the Workshop on Advanced Accelerator Concepts, The Abbey, June 12--18, 1994. Attention is addressed to (1) plasma based concepts, (2) photo-cathodes, (3) radio frequency sources and Two-Beam Accelerators, (4) near and far-field schemes ...

I attended the European Accelerator Conference in Rome, Italy, June 7-11 and delivered an invited paper. On June 11 I attended the annual meeting of the International Committee for Future Accelerators. From June 13-17 I attended the ICFA Subcommittee Work...

A workshop took place at La Thuile and at CERN in January 1987 to study the physics potential of three types of particle collider with energies in the TeV region, together with the feasibility of experiments with them. The machines were: a large hadron co...

The discussions and presentations in the Simulations and Modelling subgroup of the Fifth ICFA Beam Dynamics Workshop The Effects of Errors in Accelerators'' are summarized. The workshop was held on October 3--8, 1991 in Corpus Christi, Texas.

The discussions and presentations in the Simulations and Modelling subgroup of the Fifth ICFA Beam Dynamics Workshop ``The Effects of Errors in Accelerators`` are summarized. The workshop was held on October 3--8, 1991 in Corpus Christi, Texas.

The second Quaternary dating methods workshop was held at Lucas Heights and sponsored by ANSTO and AINSE. Topics covered include, isotope and thermoluminescence dating, usage of accelerator and thermal ionisation mass spectrometry in environmental studies...

In May 2001, the Accelerating Software Technology Adoption (ASTA) initiative of the Software Engineering Institute (SEI) piloted a workshop to support the management of technology transition and to capture feedback from adopters of the Capability Maturity...

Recent experimental results on searches at accelerators for nu/sub ..mu../ ..-->.. nu/sub e/ oscillations presented at the Brookhaven National Laboratory Neutrino Workshop are reviewed and prospects for extending these searches are discussed.

This paper first introduces the basic techniques for polarized proton beams: spin flip, resonance jumps, Siberian Snakes, etc., and then concludes with a report on the Workshop on Acceleration and Storage of Polarized Protons and Electrons in Very Large M...

This document consists of the text and viewgraphs of a paper presented at the ONR Workshop on Nonequilibrium Turbulence held at Arizona State University in Tempe, Arizona, from 10-1 2 March 1993. This workshop was the first step of an ONR Accelerated Rese...

Within the context of significantly accelerating scientific progress in research areas that address important societal problems, a workshop was held in November 2010 at EMSL to identify specific and topically important areas of research and capability needs in catalysis-related science.

Alfven waves; other particles scatter from waves and receive additional acceleration. GLAST Workshop (Cambridge, MA, 6/21/07). Patrick Slane (CfA) ...

Separate abstracts were prepared for 70 papers in these workshop proceeedings. Topics covered include: superconducting accelerator magnet research and development; superconductor development; electrical measurements; magnet design and construction methods...

There is an increasing interest in radioactive ion beams for astrophysics and nuclear physics research and applied programs. This interest has led to an International Conference on Radioactive Nuclear Beams and a Workshop on the Science of Intense Radioac...

The conference included papers on facility plans, beam dynamics, accelerator hardware, and experimental facilities. Individual abstracts were prepared for 43 papers in the conference proceedings. (LEW)

... The second route to drug approval is accelerated approval (AA), which can be based on a surrogate endpoint that is considered reasonably likely to predict ...

... The second route to drug approval is accelerated approval (AA), which can be based on a surrogate endpoint that is considered reasonably likely to predict ...

Glenn Mason -- STEREO workshop Paris March 2002 .... adapted from Mewaldt, Mason , Gloeckler et al., AIP CP#598, 165, 2001. Suprathermal ...

Several aspects of lithium primary cell technology are discussed with respect to aerospace application. Particular attention is given to the statistical analysis of battery data and accelerated testing.

In response to concerns raised in the Defense Nuclear Facilities Safety Board (DNFSB) Recommendation 93-2, the U.S. Department of Energy (DOE) developed a comprehensive program to help assure that the DOE maintain and enhance its capability to predict the criticality of systems throughout the complex. Tasks developed to implement the response to DNFSB recommendation 93-2 included Critical ...

The SuperHILAC Users Executive Committee organized a workshop on Prospects for Research with Radioactive Beams from Heavy Ion Accelerators. The main purpose of the workshop was to bring together a diverse group of scientists who had already done experients with radioactive beams or were interested in their use in the future. The topics ...

In November 1997 a workshop was held at Fermilab to explore the physics potential of the first muon collider, and the physics potential of the accelerator complex at the `front-end` of the collider. An extensive physics program emerged from the workshop. This paper attempts to summarize this physics program and to identify the main ...

Proceedings of the X-Ray FEL Theory and Simulation Codes Workshop Stanford Linear Accelerator LCLS-TN-00-1 #12;X-Ray FEL Theory and Simulation Codes Workshop SLAC, September 23-24. 1999 - 2 - #12;X-Ray FEL Theory and Simulation Codes Workshop SLAC, September 23-24. 1999 - 3 - TABLE OF CONTENTS

A description is given of the principle of operation of the ground isolation module, two types of ground isolation at ORELA, and instructions for testing the ground isolation circuit cards. The Ground Isolation Driver and Receiver Tester uses a Nuclear In...

Flight path 1 at ORELA is nominally 200 m in length and has been extensively used for neutron transmission and scattering measurements. Due to moderation effects in the neutron-producing target and to the finite thickness of the neutron detector, the effe...

One of the options for an accelerator beyond the LHC is a hadron collider with higher energy. Work is going on to explore accelerator technologies that would make such a machine feasible. This workshop concentrated on the physics and detector issues associated with a hadron collider with an energy in the center of mass of the order of ...

performed nano-spectroscopy and chemical nanoscopy with scanning near-field infrared microscopy (SNIM-probe) infrared spectroscopy. A mode-locked Ti:sapphire laser produces picosecond near-infrared or visible pump#12;5th International Workshop on Infrared Microscopy and Spectroscopy with Accelerator Based Sources

The workshop was called to assess the performance of neutron dosimetry per the responses from ten DOE accelerator facilities to an Office of Energy Research questionnaire regarding implementation of a personnel dosimetry requirement in DRAFT DOE 5480.ACC, Safety of Accelerator Facilities''. The goals of the ...

The workshop was called to assess the performance of neutron dosimetry per the responses from ten DOE accelerator facilities to an Office of Energy Research questionnaire regarding implementation of a personnel dosimetry requirement in DRAFT DOE 5480.ACC, ``Safety of Accelerator Facilities``. The goals of the ...

The FFAG05 workshop at KEK is one in a series of important annual gatherings of scientists working in the area of fixed field alternating gradient accelerators (FFAGs). At this workshop, we heard of many FFAG designs that are in operation, under construction, and in the planning stages. These machines are being used for a wide variety ...

The purpose of the Workshop on Multi-Bunch Effects was to discuss and explore multibunch issues in e{sup +}e{sup -} colliding beam factories. The workshop dealt with many issues from theory to experimental observations. Many issues were discussed and new topics raised. The workshop was unique in that the PEP-II High Energy Ring (HER) ...

The charge for the working group on high gradient and laser-structure based acceleration was to assess the current challenges involved in developing an advanced accelerator based on electromagnetic structures, and survey state-of-the-art methods to address those challenges. The topics of more than 50 presentations in the working group covered a very broad ...

The charge for the working group on high gradient and laser-structure based acceleration was to assess the current challenges involved in developing an advanced accelerator based on electromagnetic structures, and survey state-of-the-art methods to address those challenges. The topics of more than 50 presentations in the working group covered a very broad ...

The full-scale scientific research complex IREN will comprise a 200-MeV linear accelerator LUE-200 with a beam power about 10 kW, a subcritical multiplying target, and beam infrastructure with experimental pavilions, as well as technological, control, safety and service systems. The characteristics of the full-scale complex IREN (integral neutron yield 1015n/s and pulse width ...

For three days in late September last year, some sixty experts in RF superconductivity from around the world came together at Argonne to discuss how to push the limits of RF superconductivity for particle accelerators. It was an intense workshop with in-depth presentations and ample discussions. There was added excitement due to the fact that, a few days ...

Among the possible acceleration schemes the ones using the very large electric field obtainable in laser beams, have been receiving much attention. In this Workshop laser accelerators were divided in three groups: media, near field and far field accelerators. In the last group one finds the Inverse Free Electron ...

This document is a compilation of material collected as the results of a workshop, Applications of Accelerators, held at the Stanford Linear Accelerator Center, 1--2 December 1993. The material collected here has been edited for style and to minimize duplication. Footnotes will identify the original source of the material. We believe ...

The working group on computational accelerator physics at the 11th Advanced Accelerator Concepts Workshop held a series of meetings during the Workshop. Verification, i.e., showing that a computational application correctly solves the assumed model, and validation, i.e., showing that the model correctly describes ...

The working group on computational accelerator physics at the 11th Advanced Accelerator Concepts Workshop held a series of meetings during the Workshop. Verification, i.e., showing that a computational application correctly solves the assumed model, and validation, i.e., showing that the model correctly describes ...

The present status of three different switching schemes were presented by groups involved in the research. The working groups discussed the component requirement for a high gradient accelerator, including a 1 TeV booster for a European Accelerator ELOISAT...

The AGARD Aerospace Medical Panel sponsored a Workshop on the Medical Surveillance of Subjects for Acceleration Research. There remain unanswered questions about the possible long-term medical complications of repetitive exposure to G forces. The concept ...

A Workshop organised by the CERN Accelerator School, the European Committee for Future Accelerators and the Istituto Nazionale di Fisica Nucleare was held at the Frascati laboratory of INFN during the last week of September 1984. Its purpose was to bring ...

? AstrophysicalAstrophysical AcceleratorsAccelerators Soon ?Soon ? Nuclear Reactors (power stations, ships) Nuclear ReactorsNuclear Reactors (power stations, ships)(power stations, ships) Particle Accelerator) monitoring of nuclear reactors is possible. � Giant neutrino detector network will help. #12;Near

The third mini-workshop on high intensity, high brightness hadron accelerators was held at Brookhaven National Laboratory on May 7-9, 1997 and had about 30 participants. The workshop focussed on rf and longitudinal dynamics issues relevant to intense and/or bright hadron synchrotrons. A plenary session was followed by four sessions on ...

The purpose of this workshop was to provide a forum, with user participation, for accelerator physicists the synchrotron light source field to discuss current and planned state-of-the-art techniques storage ring performance. The scope of the workshop focused on two areas: lattice characterization and measurement, and fundamental ...

The major objectives of the Workshop were to identify opportunities for the solution of energy problems by homogeneous catalysts and to formulate recommendations for fundamental research in this area that could accelerate these solutions. The Workshop rec...

This paper summarizes the workshop presentations at the 2006 FFAG Workshop at KURRI related to FFAG use for muons. The particular topics covered were harmonic number jump acceleration, ionization cooling, PRISM and muon phase rotation, tracking and error analysis, and our understanding of scaling and non-scaling FFAGs.

The contributions to the Workshop are placed in the context of present-days views on the origin, structure and development of flares, by discussing: flare classification; the study of gradual flares; the Impulsive Phase Explosion; observations of loop interactions and flare trigger; physics of single loops and loop reconnnection; the three phases of ...

This report discusses the following topics: Summary: Magnetic Spectrometer Working Group; Workshop Report: Internal Targets and Tagged Photons; Nucleon Physics with Chromodynamics: From High Q sup 2 to Baryon Spectroscopy to Nuclear Physics; Quark Signatu...

The workshop sessions concentrated on polarized protons in circular accelerators and storage rings. Topics such as polarized electrons were discussed only when the subject was relevant to proton phenomena. Of major interest was the possible applicability of the new idea of spin matching for crossing depolarizing resonances. On the experimental side, some ...

The non-scaling Fixed Field Alternating Gradient (FFAG-from now on) accelerator provides few advantages with respect to the other fixed field accelerators like CYCLOTRONS or scaling-FFAG's. One of the advantages is smaller required aperture due to small orbit offsets during acceleration. The large and heavy magnets are ...

The goal of the International Workshop on Targetry and Target Chemistry series has always been to provide an open forum for discussion of medical radionuclide production, primarily with particle accelerators. The format is intended to encourage the participants to set the direction of the ensuing discussion, allowing the participants to focus on areas of ...

Over the past 18 months on the GTA project at Los Alamos, we have been developing tools for building control systems for accelerators. The first tool developed has already demonstrated greatly reduced requirements for conventional computer programming in applying control systems to an accelerator. Even in the early stages, this work has received ...

The first thing our group did was compile the various acceleration schemes, of which we know, so that we could determine which were being covered by the other groups and which were truly other schemes. Perhaps the most revealing thing that this discloses is the large number of particle driven schemes. This is in sharp contrast with the conference three years ago and in sharp ...

Leading accelerator laboratories mount serious efforts in alignment and vibration studies concerning stability of future accelerator facilities such as photon and meson factories, future linear colliders (LCs), and hadron supercolliders (HCs). Some 200 publications covered the topic since late 80s, following pioneering works of G.E. Fischer. Four ...