In the FLNP, JINR there is a new Intense Resonance Neutron source (IREN) being under construction. It consists of the electron linear accelerator LUE-200 and the neutron fission core. For the experimental test of the project parameters and the accelerator...

The status of software for solving the problems of charged particle accelerator design, analysis and simulation of beam dynamics in different ring and linear magneto-optical structures is discussed. Abstracts for about 100 different programs and program c...

... Title : Contemporary Status of Studies on Direct Conversion of Solar Energy to Electrical Energy (Sovremennoe Sostoyanie Issledovanii po ...

... Title : Automatic Cartography Abroad--Status and Problems (Avtomaticheskoe Kartografirovanie za Rubezhom: Sostoyanie i Problemy),. ...

... Title : Present Status and Prospects of Development of Tuna Fishing Fleet (Sovremennoe Sostoyanie i Perspektivy Razvitiya Tuntselovnogo Flota),. ...

A version of accelerating complex for high energy heavy ions is proposed on the base of a heavy ion collective accelerator. Considerations are presented as to the construction of the complex which is capable of accelerating uranium atoms up to 250 MeV/nuc...

In the artificial rearing of young fish at piscicultural stations the quality of the food on which these young are raised takes on great significance. The quality of the young being reared, their physiological completeness, depends on the quality of the f...

This paper presents the results of a calculation of 197Au32+ ion beam losses as they interact with atoms and molecules of residual gas in the acceleration chamber of the booster vacuum system of the NICA accelerator complex [1].

The purpose of this paper is to present a general model for the acceleration exerted on a spacecraft

Tokai Radioactive Ion Accelerator Complex (TRIAC) is the low-energy accelerator complex for re-accelerating short-lived radioactive ion beams (RIBs) in Japan. After the introduction of the present status of the TRIAC, considered as future extension of the present TRIAC activity, we are going to ...

Furthermore, EC mitosis and apoptosis are accelerated in the areas with complex flow. Such accelerated cell turnover leads to an enhanced macromolecular ...

The equivalent acceleration vector at any one spot in the orbiter is a combination of many different sources and is thus a very complex vector quantity ...

Accelerator-driven transmutation offers attractive new solutions to complex nuclear problems. This paper outlines the basics of the technology, summarizes the key application areas, and discusses designs of and performance issues for the high-power proton accelerators that are required.

complex, consisting of a negative hydrogen-ion injector, a 1 GeV linear accelerator, a proton accumulator ring, and a liquid mercury target system. The SNS accelerator is the only...

The objective was to single out complex evoked potentials (CEP) in the bioelectrical activity (BA) of the human cerebral cortex which were induced by linear accelerations. Results indicated that with exposure to linear accelerations of the chosen range it...

The technique and the results of calculation of parameters of the azimuthally homogeneous E type oscillations and topology of electromagnetic fields in the accelerating system module of the accelerating storage complex (ASC) are considered. The module con...

Since the superconducting heavy ion linac ATLAS is an ideal post-accelerator for radioactive beams, plans are being developed for expansion of the facility with the addition of a driver accelerator, a production target/ion source combination, and a low q/...

Experiments and numerical simulations are performed on the Rayleigh-Taylor instability with a complex acceleration history g(t) consisting of consecutive periods of acceleration, deceleration, and acceleration. The dominant bubbles and spikes that grow in the initial unstable phase are found to be shredded by the ...

During recent decades, accelerated corrosion test equipment and methods simulating atmospheric corrosion have been developed to incorporate the many factors involved in complex accelerated corrosion. A new accelerated corrosion tester was developed to simulate various kinds of atmospheric corrosion environments. ...

We propose an accelerator complex TRICYC for production of medical isotopes and for other applied purposes. The basic facility of the complex is a TRITRON type accelerator, which has advantages that make it competitive with currently operating cyclotrons ...

This paper offers real examples of how advanced technology prize competitions are being used to accelerate the development of complex and slowly maturing technologies for ground robotic autonomous vehicles, which are a critical part of the Army's Future C...

Run-II at Fermilab is progressing steadily. In the Run-II scheme, 36 antiproton bunches collide with 36 proton bunches at the CDF and D0 interaction regions in the Tevatron at 980 GeV per beam. The current status and performance of the Fermilab Accelerator complex is reviewed. The plan for Run-II, accelerator upgrades and integration ...

... the development of complex and slowly maturing disruptive technologies The Defense Advanced Research Projects Agency (DARPA) has used ...

complexity. � Increased cognitive workload. Our approach to high performance visualization is to focus

... Abstract : High energy nuclear accelerators (atom smashers) have produced some ... They use highly complex instruments which involve precise ...

... representing elemental portions of a buried complex, were placed at ... the greatest acceleration, velocity, and displacement; inclusion-soil differential ...

A network interface based on the new SpaceWire protocol is accelerating NASA's technology development, reducing costs and enabling complex architectures ...

... The weighting coefficients wstruc and wact determined the ... accelerating RMA masses which produce the control ... forces for vibration attenuation. ...

We demonstrate that any two-dimensional accelerating beam can be described in a canonical form in Fourier space. In particular, we demonstrate that there is a one-to-one correspondence between complex functions in the real line (the line spectrum) and accelerating beams. An arbitrary line spectrum can be used to generate novel ...

Tokai Radioactive Ion Accelerator Complex (TRIAC) is the low-energy accelerator complex for re-accelerating short-lived radioactive ion beams (RIBs) in Japan. After the introduction of the present status of the TRIAC, considered as future extension of the present TRIAC activity, we are going to ...

In this paper, the authors describe modifications to MAD version 8.23 to include linear accelerator cavities and beam acceleration. An additional energy variable has been added which is modified as the beam passes through LCAV elements (linear accelerator cavities) and can be used as a constraint in matching commands. The calculation ...

In the future, it will be necessary for all Marines to apply systems theory. War has always been complex. However, contemporary complexity is accelerating toward increasing future complexity. On this basis, this paper argues that in the future Marines of ...

At present there are no plans to construct a new accelerator complex fully employing the super-bunch induction acceleration scheme. However, it appears attractive to retrofit many existing accelerator complexes based on RF technology to the induction synchrotron accelerator ...

A simple and convenient control system has been developed for the 150 MeV proton FFAG accelerator complex at Research Reactor Institute, Kyoto University. This control system is designed as a distributed control scheme and developed with simple and versatile tools, such as PLCs, LabVIEW and an IP based network, expecting applications in small ...

To accelerate a 100 (mu)A proton beam from the TRIUMF H(sup -)cyclotron to 30 GeV, a five-ring accelerator complex is proposed. Each accelerator is followed by a storage ring for time-matching - the cw cyclotron by the Accumulator, the 3 GeV 50 Hz Booster...

A linear accelerator technology was developed that makes pi-meson (pion) generation possible for cancer therapy in the setting of a major hospital center. This technology uses several major inventions in particle accelerator science such as an accelerator system called the radio frequency quadrupole FQ), and permanent magnet drift tube ...

Brookhaven National Laboratory Accelerator Test Facility is a laser-electron linear accelerator complex designed to provide high brightness beams for testing of advanced acceleration concepts and high power pulsed photon sources. Results of electron beam parameters attained during the commissioning of the nominally ...

The China Spallation Neutron Source (CSNS) is an accelerator based high power project currently under preparation in China. The accelerator complex is based on an H{sup -} linear accelerator and a rapid cycling proton synchrotron. During the past year, the design of most accelerator systems ...

The most demanding requirement in the design of the SNS accelerator chain is to keep the accelerator complex under hands-on maintenance. This requirement implies a hard limit for residual radiation below 100 mrem/hr at one feet from the vacuum pipe and fo...

Described is the VAX/CAMAC-based control system for Brookhaven National Laboratory's Accelerator Test Facility, a laser/linac research complex. Details of hardware and software configurations are presented along with experiences of using Vsystem, a commercial control system package.

The results of numerical simulation of the U-400 cyclotron magnetic system being the second stage of the heavy ion accelerating complex being created at the Nuclear Reactions Laboratory, JINR in order to accelerate ions from oxygen to uranium up to 20-120...

Neutron Science Center (LANSCE) beam-delivery complex, which includes the accelerator, Proton Storage Ring (PSR), and associated beam-transfer lines. (These lines provide the...

weeks) Nurse 467 Management of Critical & Emergent Care 5 Summer Semester Year 2: 12 hours Nurse 462 Special Topics in Hlth Care 2 Nurse 468 Effectiveness in ComplexMajor Map: Bachelor of Science In Nursing: Accelerated Track

Beam-Loss Monitors (BLM) are used with each accelerator in the Superconducting Super Collider complex. The primary purpose of these detectors is to protect the accelerators from damage due to the loss of protons. Although the range of primary beam energie...

The acceleration of the solution of the quasi-static electric field problem considering anisotropic complex conductivity simulated by tetrahedral finite elements of first order is investigated by geometric multigrid. PMID:15005314

The author presents the main mathematical tools used in electronics and in particular in accelerator electronics: complex functions, distributions, Fourier series, Laplace transformation, Fourier transformation and probabilities. (ERA citation 17:031438)

The paper briefly summarizes the results from several accelerated exposure tests (AET) studies. Causes responsible for the photothermal instability of the encapsulated Si solar cells appear to be multiple and complex.

Some problems of correction in the heavy-ion synchrotron variant of an accelerating complex with a triplet magnetic structure have been discussed. The expected deviation of the closed orbit in this accelerator has been calculated. A general correction alg...

The China Spallation Neutron Source (CSNS) is an accelerator-based high-power project currently in preparation under the direction of the Chinese Academy of Sciences (CAS). The complex is based on an H-linear accelerator, a rapid cycling proton synchrotro...

The design of the CERN Heavy-Ion Facility is described. This facility will be based on a new ion linear accelerator (Linac 3), together with improvements to the other accelerators of the CERN complex to allow them to cope with heavy ions, i.e. to the Prot...

The Superconducting Super Collider (SSC) is the latest and largest in a line of high-energy physics accelerator projects. The five increasingly energetic accelerators which make up the physics laboratory complex are to be housed almost entirely in subsurf...

The CEBAF accelerator contains approximately 2500 power supplies, 340 klystrons, and 800 beam monitors. The operation of such a complex machine requires a control system which can provide a high degree of automation with strong support by simulation and modeling programs.\

The ACAN automatized complex for activation analysis in charged particle accelerators is described. The complex includes: an automatized device for irradiation of samples in vacuum with remote control ensuring their change for about 1.5 min, as well as co...

[reaction: see text] Atom transfer carbonylation (ATC) of alkyl iodides leading to carboxylic acid esters is effectively accelerated by Pd(PPh(3))(4) and Mn(2)(CO)(10) under photoirradiation conditions. In the presence of amines, Pd(0) complexes affected double carbonylations leading to alpha-keto amides, whereas Mn(2)(CO)(10) ...

The design and performance optimization of particle accelerators is essential for the success of the DOE scientific program in the next decade. Particle accelerators are very complex systems whose accurate description involves a large number of degrees of freedom and requires the inclusion of many physics processes. Building on the ...

This paper describes operational radiation protection issues specific to high-intensity accelerators, aimed at the radiological safety of high-intensity accelerators during construction and operation. The paper is composed of chapters on safety characteristics, radiological safety design and safety management systems of high-intensity ...

An injector system has been designed to provide a fully stripped oxygen beam for acceleration in the CERN PS complex. An ECR source will provide an O/sup 6/+ beam to a heavy ion RFQ accelerator. The beam from the RFQ will be further accelerated by the CERN Linac 1 (Old Linac) in the 2 ..beta.. lambda-mode to an ...

Fixed Field Alternating Gradient accelerators(FFAGs) have been developed for various applications recently. Contrary to the ordinary synchrotron, FFAGs have a large capability of accelerating high current beams because of strong beam focusing to have a large beam acceptance and static magnetic field which allows to have very fast beam ...

Since the superconducting heavy ion linac ATLAS is an ideal post-accelerator for radioactive beams, plans are being developed for expansion of the facility with the addition of a driver accelerator, a production target/ion source combination, and a low q/m pre-accelerator for radioactive ions. A working group including staff from the ...

Project X could offer energy applications April 12, 2011 A proposed high-intensity proton accelerator complex at Fermilab could demonstrate technologies required to burn up...

A 50 GeV accelerator complex for dynamic proton radiography, including a linac, synchrotron, and multiple isochronous beamlines is described, and critical technology development is outlined.

... OCCURRENCE, ACCELERATED TESTING, BLOOD, METABOLITES, URINE, PEROXIDASES, VITAMIN B COMPLEX, BERYL, GEMS(MINERALS ...

... ditiofis. In mamy-ceaes, they are-ebuobined i~ith other en- the complex operational forcep eiionv ent has been subdivided ...

May 6, 2011... system for the Spallation Neutron Source, an accelerator-based neutron ... X -ray diffraction is a complex process which requires several ...

... which vertebrates depend to complete their relatively long life cycles. The ... of accelerated drying raises additional concerns for the future conservation ... ...

This is a short paper summarizing a presentation of the evolution of the Fermilab program for the next five to ten years. Emphasis is given to the Fermilab accelerator complex, but external collaboration is emphasized.

The paper describes the controls for the LEP Preinjector, as relevant to its specific needs and as an evolutionary, backward compatible step starting from the present controls of the PS accelerator complex.

The accelerated Strategic Computing Initiative (ASCI) computational grid is being constructed to interconnect the high performance computing resources of the nuclear weapons complex. The grid will simplify access to the diverse computing, storage, network...

The Accelerated Strategic Computing Initiative (ASCI) computational grid is being constructed to interconnect the high performance computing resources of the nuclear weapons complex. The grid will simplify access to the diverse computing, storage, network...

... this summer (May and June 2010) to work on development on the Army Research Lab's "Virtual Shot Line" program, adding GPU acceleration and ...

NICA is a new accelerator complex being constructed at the Joint Institute for Nuclear Research; the main task of this complex is to perform collider experiments for ion beams up to uranium with energies of up to 3.5 � 3.5 GeV/nucleon. This complex includes an electron string ion source, a 6 MeV/nucleon linear ...

logo. 11aerial Accelerator Complex at Fermilab with D� and CDF Detectors 12collision Proton about to collide with antiproton 13feynman Artist's version of an event with debris...

We present a description of the present and future plans for the BNL Alternating Gradient Synchrotron accelerator complex and its concomitant physics program. 6 figs., 4 tabs.

We present a description of the present and future plans for the BNL Alternating Gradient Synchrotron accelerator complex and its concomitant physics program. 5 figs.

... and Increasing Long-Term Retention Dr. Dee H. Andrews Ms. Patricia Fitzgerald ... 7 Retention Studies � Factors that effect retention of complex skills ...

... M. Moore, D. Fitzgerald, �Architectural Design and Complexity Analysis of Large-Scale Cortical Simulation on a Hybrid Computing Platform,� Proc. ...

The results of functional investigations of pituitary and adrenal glands systems and catecholamine content in daily urine of SIV ''Pripyat'' staff are given. It was shown that hypothalamo-pituitary-adrenal glands systems is activated in most of persons, a...

The overall goal of the acceleration systems: large acceptance acceleration to 25 GeV and beam shaping can be accomplished by various fixed field accelerators at different stages. They involve three superconducting linacs: a single pass linear Pre-accelerator followed by a pair of multi-pass Recirculating Linear ...

The overall goal of the acceleration systems: large acceptance acceleration to 25 GeV and beam shaping can be accomplished by various fixed field accelerators at different stages. They involve three superconducting linacs: a single pass linear Pre-accelerator followed by a pair of multi-pass Recirculating Linear ...

The theoretical research works on proton and ion acceleration done by our group are reviewed. A complex target consisting of a front horizontal slice adjoining a conventional heavy ion and proton double-layer slab are used to produce more-fast moving hot electrons to enhance the target-normal sheath acceleration (TNSA) so that the ...

A new class of accelerators Undulated Induction Accelerators (UNIAC -- EH-accelerators) is proposed as a basis for intense X-ray flash sources. Apart from X-ray sources these accelerators can be used for cooling (with simultaneous acceleration) of electron and ion beams, for forming high ...

Particle accelerators are playing an increasingly important role in basic and applied science, and are enabling new accelerator-driven technologies. But the design of next-generation accelerators, such as linear colliders and high intensity linacs, will require a major advance in numerical modeling capability due to extremely stringent ...

Small scale accelerator technologies provide opportunities in innovative and efficient transportation systems. Accelerator technologies are ever decreasing in size and complexity. The goal of the research was to develop more efficient small scale accelerators by optimizing high current flow through the ...

In order to investigate the reappearance of the HOM wakefield of a detuned accelerator structure and relax tolerance requirements, we propose to provide low level damping by coupling all cavities to several identical and symmetrically located waveguides (manifolds) which run parallel to each accelerator structure and are terminated at each end by matched ...

A high performance control system is being designed as part of a heavy ion medical accelerator. The accelerator will be a synchrotron dedicated to clinical and other biomedical uses of heavy ions, and it will deliver fully stripped ions at energies up to 800 MeV/nucleon. A key element in the design of an accelerator which will operate ...

This paper reports on MATLAB Channel Access (MCA) Toolbox--MATLAB [1] interface to EPICS Channel Access (CA) client library. We are developing the toolbox for SPEAR3 accelerator controls, but it is of general use for accelerator and experimental physics applications programming. It is packaged as a MATLAB toolbox to allow easy development of ...

Rates of decomposition are reported for the tributyl phosphate complexes of uranyl nitrate and nitric acid under isothermal and adiabatic conditions. These data are used to estimate conditions at which the decomposition reaction becomes self-accelerating. (auth)

Both synthetically and naturally derived organic complexing agents in soil have been found in other studies to accelerate the rate of migration of specific radionuclides. In an effort to aid in the development of comprehensive plans for the disposal of lo...

In this article we present the design of the antiproton source for the UNK complex. Antiprotons are produced at 5.5 GeV/c momentum by targeting the proton beam of the U-70 synchrotron. They are decelerated to 400 MeV energy in a special decelerator synchr...

The 500 nm Free-Electron Laser (ATF) of the Brookhaven National Laboratory is reviewed. We present an overview of the ATF, a high-brightness, 50-MeV, electron accelerator and laser complex which is a users' facility for accelerator and beam physics. A num...

Tubes made up of individual ceramic sections joined by epoxy resin are used in the accelerating channels of linear induction electron accelerators. In this case, the structures are unreliable and mechanically weak. The authors describe a method for fabricating accelerating tubes with a length of 500-1000 mm and tees with fittings of ...

Results are presented of exploratory and preliminary studies of a next generation of heavy ion accelerators. The conclusion is reached that useful luminosities are feasible in a colliding beam facility for relativistic heavy ions. Such an accelerator complex may be laid out in such a way as to provide extractebeams for fixed target ...

A single-unit electron beam accelerator was designed, fabricated, and assembled in Sandia's Technical Area V to conduct magnetically insulated transmission experiments. Results of these experiments will be utilized in the future design of larger, more complex accelerators. This design makes optimum use of existing facilities ...

The Japan Proton Accelerator Research Complex (J-PARC) is under construction in Tokai site. The linac beam commissioning started last fall, while the beam commissioning of the 3-GeV Rapid-Cycling Synchrotron (RCS) will start this fall. The status of the J-PARC accelerator is reported with emphasis on the technical development ...

The ISABELLE Project combines two large proton accelerators with two storage rings in the same facility using superconducting magnet technology. This combination leads to severe constraints on beam loss in magnets and involves complex treatment of magnetic field imperfections and correction elements. The consequent demands placed upon beam diagnostics, ...

A new 1980's style support package for future accelerator control systems is proposed. It provides a way to create accelerator applications software without traditional programming. Visual Interactive Applications (VIA) is designed to meet the needs of expanded accelerator complexes in a more cost ...

Many recent discoveries in astrophysics involve phenomena that are highly complex. Carefully designed experiments, together with sophisticated computer simulations, are required to gain insights into the underlying physics. We show that particle accelerators are unique tools in this area of research, by providing precision calibration data and by creating ...

A FAMILY OF TWENTY-AMPERES POWER SUPPLIES FOR MULTI- POLE CORRECTORS FOR ACCELERATORS AND STORAGE of accelerator facilities and storage ring complexes in broad range of output power. Some tasks, e.g. powering and operation of power supplies resulted in the creation of the MPS-20 (Magnet Power Supply) family of three

Functional information regarding cardiac performance, pressure gradients, and local flow derangement are available from blood acceleration fields. Thus, this study examines a 2D and 3D phase contrast sequence optimized to efficiently encode three-directional, time-resolved acceleration in vitro and in vivo. Stenosis phantom ...

A simulating accelerator complex was developed for space, material, solid state physics, biology, and medical research. It provides a uniform irradiation of large targets in an outward vacuum chamber by electron and proton beams simultaneously or separate...

The Booster synchrotron at Brookhaven National Laboratory has been incorporated into the accelerator chain at the Alternating Gradient Synchrotron (AGS) complex. After a successful first commissioning effort in the spring of 1991, the Booster has been part of this year's silicon, gold and proton physics runs. After a brief review of the Booster ...

The Booster synchrotron at Brookhaven National Laboratory has been incorporated into the accelerator chain at the Alternating Gradient Synchrotron (AGS) complex. After a successful first commissioning effort in the spring of 1991, the Booster has been part of this year`s silicon, gold and proton physics runs. After a brief review of the Booster design ...

This paper describes the present performance and capability of the BNL AGS accelerator complex and possible future intensity upgrade plans. In 1995, the AGS reached its design upgrade goal of 6.0{center_dot}10{sup 13} ppp with the Booster. The AGS with a new fast extracted beam (FEB) system is able to perform single bunch multiple extraction at 30 Hz per ...

This paper describes the present performance and capability of the BNL AGS accelerator complex and possible future intensity upgrade plans. In 1995, the AGS reached its design upgrade goal of 6.0 x 10(exp 13) ppp with the Booster. The AGS with a new fast extracted beam (FEB) system is able to perform single bunch multiple extraction at 30 Hz per AGS cycle ...

New high-current, high-precision microprocessor-controlled power supplies, built by Alpha Scientific Electronics of Hayward, CA, have been installed at the Los Alamos National Laboratory Accelerator Complex. Twenty-four power supplies have been ordered, t...

New high-current, high-precision microprocessor-controlled power supplies, built by Alpha Scientific Electronics of Hayward, CA, have been installed at the Los Alamos National Laboratory Accelerator Complex. Each unit has sophisticated microprocessor cont...

A special type of a combined magnet is designed, which unites the functions of a synchrotron and a storage ring magnet. As an alternative solution, on the basis of this combined magnet it is proposed to create an accelerator-storage ring complex in the tu...

The measurements of outgassing rates and coefficients of ion stimulated desorption eta upon ion action, forming when ionization of the residual gas in the vacuum chamber, have been carried out in the accelerating-storage complex vacuum chamber model, made...

A molecular rotor was designed in which the rate of rotation is accelerated by guest complexation. The binding of an acetate guest to the urea groups lowers the barrier of the adjacent C(aryl)-N(imide) bond by 2 to 4 kcal/mol. This behavior is in contrast to most molecular rotors in which guest complexation slows rotation. ...

Future development of the FLNR accelerator complex (project DRIBs-III) includes modernization of existing cyclotrons, construction of a new experimental hall, creation of a new high current cyclotron and of next generation experimental set-ups. Realization of the project is planned for 2010-2016.

The results of an analysis of operations data from the 1996 run-cycle of the LANSCE accelerator complex will be presented. Frequency and history of operational events including system and component failures which affect beam availability have been tracked. Some of the significant downtime incidents will be described and analyzed in detail. These results ...

the dissociation is a stochastic event driven by thermal fluctua- tions, to extrapolate one or several koff valuesAccelerated Articles Dissociation of Ligand-Receptor Complexes Using Magnetic Tweezers Claudia of a new tool for a parallel measurement of ligand-receptor dissociation. By applying a constant force, we

There is considerable interest worldwide in the research which could be done at a next generation, advanced radioactive beam facility. To generate high quality, intense beams of accelerated radionuclides via the {open_quotes}isotope separator on-line{close_quotes} (ISOL) method requires two major accelerator components: a high power (100 kW) driver device ...

At high-intensity high-energy particle accelerators, consequences of a beam-induced radiation impact on machine and detector components, people, environment and complex performance can range from negligible to severe. The specifics, general approach and tools used at such machines for radiation analysis are described. In particular, the world leader ...

Hardware acceleration exploits the parallelism inherent in large circuit simulations to achieve significant increases in performance. Simulation accelerators have been developed based on the compiled code algorithm or the event-driven algorithm. The greater flexibility of the event-driven algorithm has resulted in several important developments in hardware ...

The Advanced Test Accelerator (ATA) is a linear induction electron accelerator whose design parameters are 50 MeV, 10 kA and 70 ns pulse duration. The key physics issues affecting performance of the accelerator involve beam dynamics during transport through the accelerator structure. In this report, we present ...

The 500 nm Free-Electron Laser (ATF) of the Brookhaven National Laboratory is reviewed. We present an overview of the ATF, a high-brightness, 50-MeV, electron accelerator and laser complex which is a users' facility for accelerator and beam physics. A number of laser acceleration and FEL experiments are ...

The accelerator and fusion research division is not only the largest scientific division at LBL, but also one of the most diverse. Major efforts in this report are discussed. Investigations in both magnetic and inertial fusion energy; Design, construction, and commissioning of the Advanced Light Source, a state-of-the-art synchrotron-radiation facility; Theoretical and applied ...

Hall thrusters are widely used as space electric propulsion devices. Due to the complex plasma phenomenon and high computation cost, currently it is difficult to fully simulate the real physical process in Hall thrusters. Recently, Szabo and Taccogna have proposed two different methods to simplify and accelerate the simulation, respectively. In this paper, ...

A new linear-accelerator technology has been developed that makes pi-meson (pion) generation possible for cancer therapy in the setting of a major hospital center. This technology uses several new major inventions in particle accelerator science-such as a new accelerator system called the radio-frequency quadrupole (RFQ), and ...

With the completion of the AGS rf upgrade, and the implementation of a transition {open_quotes}jump{close_quotes}, all of accelerator systems were in place in 1994 to allow acceleration of the proton intensity available from the AGS Booster injector to AGS extraction energy and delivery to the high energy users. Beam commissioning results with these new ...

The High Intensity Proton Accelerator Project, named as J-PARC, was started on 1 April 2001 at Tokai-site of JAERI. The accelerator complex of J-PARC consists of three accelerators: 400 MeV Linac, 3 GeV rapid cycle synchrotron and 50 GeV synchrotron; and four major experimental facilities: Material and Life Science ...

Table sugar samples were irradiated with accelerated carbon ions and fast neutrons. Electron paramagnetic resonance (EPR) analysis performed after the irradiation revealed a complex spectrum similar to that observed after gamma-ray irradiations. The total concentration of the paramagnetic centers induced by accelerated carbon ions and ...

The author reviews the theory of gamma ray line production due to accelerated particle interactions. He discusses in detail solar flares, as the Sun has so far been the prime astrophysical site from which such gamma ray lines are observed. He then considers the COMPTEL observations of Orion which have recently revealed gamma ray line emission from ...

The problem of the Coulomb explosion of a thin homogeneous foil with light and heavy ions is solved analytically in the context of laser ion acceleration. Spatiotemporal and spectral distributions of the accelerated light ions are obtained. The ions parameters are calculated as functions of the atomic composition of the target. It is shown that, in the ...

The problem of the Coulomb explosion of a thin homogeneous foil with light and heavy ions is solved analytically in the context of laser ion acceleration. Spatiotemporal and spectral distributions of the accelerated light ions are obtained. The ions parameters are calculated as functions of the atomic composition of the target. It is shown that, in the ...

The importance of particle acceleration may be judged from the number of applications which require some sort of accelerated beam. In addition to accelerator-based high energy physics research, non-academic applications include medical imaging and treatment, structural biology by x-ray diffraction, pulse radiography, cargo inspection, ...

Kinetic control of macromolecular interactions plays key roles in biological regulation. An example of such control occurs in cotranslational protein targeting by the signal recognition particle (SRP), during which the SRP RNA and the cargo both accelerate complex assembly between the SRP and SRP receptor FtsY 10²-fold. The molecular ...

A Monte Carlo model depicting the operation of the Fermilab Tevatron Complex has been constructed. The purpose is to replicate the general behavior of the Complex, incorporating aspects that are known to affect its performance, in order to learn how optimally to run the Complex. The newest ring at Fermilab, the Recycler, has been added ...

The complete Relativistic Heavy Ion Collider (RHIC) facility will be a complex set of accelerators and beam transfer equipment connecting them. A significant portion of the total facility either exists or is under construction. Two existing Tandem Van de Graaff accelerators will serve for the initial ion ...

Strong discrete aurorae on Earth are excited by electrons, which are accelerated along magnetic field lines towards the planet. Surprisingly, electrons accelerated in the opposite direction have been recently observed. The mechanisms and significance of this anti-earthward acceleration are highly uncertain because only earthward ...

For the acceleration of cluster ions the Gesellschaft fuer Kernforschung (GfK), Karlsruhe, Germany, needed an accelerator structure of fairly high complexity. Since the accelerator proper was to be as small as possible it was decided to enclose the whole system into pressure vessels and insulate the active parts ...

The radiation safety system RSS) of an accelerator facility is used to protect people from prompt radiation hazards associated with accelerator operation. The RSS is a fully interlocked, engineered system with a combination of passive and active elements that are reliable, redundant and fail-safe. The RSS consists of the access control system (ACS) and the ...

The Radiation Safety System (RSS) of an accelerator facility is used to protect people from prompt radiation hazards associated with accelerator operation. The RSS is a fully interlocked, engineered system with a combination of passive and active elements that are reliable, redundant, and fail-safe. The RSS consists of the Access Control System (ACS) and ...

The Radiation Safety System (RSS) of an accelerator facility is used to protect people from prompt radiation hazards associated with accelerator operation. The RSS is a fully interlocked, engineered system with a combination of passive and active elements that are reliable, redundant, and fail-safe. The RSS consists of the Access Control System (ACS) and ...

Increasing the power handling capabilities of rf components is an important issue for the design of rf accelerators and rf sources. RF breakdown is a phenomena that limit the high power performance. A major concern is the damage that can occur in rf components from breakdown. To better understand this damage, we have studied rf breakdown in a rectangular waveguide ...

Electron accelerator sources of radiation for industrial processes must maintain constant and reproducible irradiation parameters in order to provide satisfactory dose quality assurance. The advanced control system used in AECL's IMPELATM series of accelerators ensures this by making it possible to decouple the primary accelerator ...

Turkish accelerator complex (TAC) project was approved by State Planning Organization (DPT) of Turkey in 2006. The complex will contain a linac-ring type electron positron collider as a particle factory and different accelerator based light sources. As a first step to the national center, the construction of an IR ...

We report the technical problems encountered in commissioning and improving the performance of the accelerator complex which consists of a 1 GeV light source storage ring, a 1 GeV booster synchrotron, and a 40 MeV injector linac. Regulation work for an attached beam line with an experimental station for photoemission studies is also described. Beam ...