The challenges in beam instrumentation and diagnostics for present and future particle accelerator projects are presented. A few examples for advanced hadron and lepton beam diagnostics are given.

Some of the problems associated with the monitoring of accelerator beams, particularly storage rings' beams, are reviewed along with their most common solutions. The various electrode structures used for the measurement of beam current, beam position, and...

... dependence on beam position and ... for many monitoring applications. ... ACCELERATORS, *ELECTRON BEAMS, INSTRUMENTATION, CERENKOV ...

to accelerating partic- les with the beam intensities up to 10% of the initial beam intensity. By lengthening. Consequently, negative partic- les travelling with protons together inside the bunch shall be accelerated. So1056 ACCELERATOR AND INSTRUMENTATION PROSPECTS OF ...

... TRACE ELEMENTS, ALUMINUM FOIL, LUBRICATING OILS, LINEAR ACCELERATORS, CHARCOAL, PHOTON BEAMS, BISMUTH COMPOUNDS ...

The demand for clinical use of accelerated heavy charged-particle (proton and light-ion) beams for cancer treatment is now burgeoning worldwide. Clinical trials are underway at more than a dozen accelerators. Several hospital-based accelerator facilities dedicated to radiation treatment of human cancer have been ...

This report contains the following papers: Beam Current Monitors; Beam Position Monitoring; Beam Profile Measurements; Longitudinal Emittance: An Introduction to the Concept and Survey of Measurement Techniques Including Design of a Wall Current Monitor; Transverse Emittance: Its Definition, Applications, and Measurements; Loss ...

The elements of microwave linear accelerators are introduced starting with the principles of acceleration and accelerating structures. Considerations for microwave structure modeling and design are developed from an elementary point of view. Basic elements of microwave electronics are described for application to the ...

A 20-MeV 100-mA-cw proton-accelerator, Low Energy Demonstration Accelerator (LEDA), is presently being developed, fabricated, and tested at Los Alamos National Laboratory (LANL). The beam diagnostic instrumentation for LEDA and the final 1700-GeV Accelerator Production of Tritium (APT) are ...

Los Alamos National Laboratory has proposed several CW-proton-beam facilities for accelerator-driven transmutation technologies (ADTT) with beam-current densities greater than 5 mA/mm{sup 2}. The primary beam-diagnostics-instrumentation requirement for these facilities is to provide sufficient ...

As the sensory system for an accelerator, the beam instrumentation provides a tremendous amount of diagnostic information. Access to this information can vary from periodic spot checks by operators to high bandwidth data acquisition during studies. In thi...

The Fusion Materials Irradiation Test facility (FMIT) cw prototype accelerator has noninterceptive beamline instrumentation to measure beam parameters. The transverse emittances and beam profiles are measured with an array of photodiode sensors viewing li...

The main ion beams acceleration facilities and research fields of the Institute of Modern Physics (IMP) are briefly introduced. Some of the experimental instruments, typical works and the obtained results on the materials research with swift heavy ions at the IMP accelerators are presented.

In the first chapter, terminology, physical and radiological quantities, and units of measurement used to describe the properties of accelerator radiation fields are reviewed. The general considerations of primary radiation fields pertinent to accelerators are discussed. The primary radiation fields produced by electron beams are ...

This report contains papers on the next-generation of linear colliders. The particular areas of discussion are: parameters; beam dynamics and wakefields; damping rings and sources; rf power sources; accelerator structures; instrumentation; final focus; and review of beam-beam interaction.

The AGS Booster was designed to accelerate beams from 2{times}10{sup 10} polarized protons to 1.5{times}10{sup 13} protons and heavy ions through Au{sup +33}. The range of beam parameters and the high vacuum, and radiation environment presented challenges for the beam instrumentation. Some ...

New technology has permitted significant performance improvements of established instrumentation techniques including beam position and profile monitoring. Fundamentally new profile monitor strategies are required for the next generation of accelerators, especially linear colliders (LC). Beams in these machines may ...

The Radiation Security System (RSS) at the Los Alamos Neutron Science Center (LANSCE) provides personnel protection from prompt radiation due to accelerated beam. Active instrumentation, such as the Beam Current Limiter, is a component of the RSS. The current limiter is designed to limit the average current in a ...

One sextant of the RHIC Collider was commissioned in early 1997 with beam. We describe here the performance of the accelerator systems, instrumentation subsystems and application software. We also describe a ramping test without beam that took place after the commissioning with beam. Finally, ...

ENGINEERK. POPE ENGINEER BEAM INSTRUMENTATION A. ALEKSANDROV GROUP LEADER A. ZHUKOV ENGINEER TEAM LEADER

... BEACON TRANSPONDER: C-BAND, DOUBLE PULSED ... accelerator/beam diagnostic section, and below the ... Voltmeter Probe (HIV) assembly at ...

of ENTICE is to measure with high precision the elemental abundances of all ... to be after correcting for the interactions in the air and in the instruments. .... operated in a 530 MeV/nucleon accelerator beam of nitrogen nuclei. ...

As the sensory system for an accelerator, the beam instrumentation provides a tremendous amount of diagnostic information. Access to this information can vary from periodic spot checks by operators to high bandwidth data acquisition during studies. In this paper, example applications will illustrate the requirements on interfaces ...

The accelerator instrumentation played a vital role in commissioning the ALS injector accelerator. It helped us to see whether electron dynamics agreed with our theoretical predictions and important beam parameters met the design specifications. It helped us to see where beam losses occurred ...

There are a number of novel instrumentation issues relating to the generation cooling and acceleration of high power muon beams. Specific issues are monitoring the cooling water in the magnet nearest the target to minimize corrosion, monitoring the behavior of the target after the impact of the beam, and following ...

The luminosity of a collision region may be calculated if one understands the lattice parameters and measures the beam intensities, the transverse and longitudinal emittances, and the individual proton and antiproton beam trajectories (space and time) through the collision region. This paper explores an attempt to make this calculation using ...

The BEAR program was a joint effort to launch, and demonstrate the feasibility of operating, a 1 MeV 10 ma Neutral Particle Beam (NPB) accelerator from a space platform. The accelerator design and manufacture were the responsibility of Los Alamos National...

High intensity hadron beams of up to 2 MW beam power are a key element of new proposed experimental facilities at Fermilab. Project X, which includes a SCRF 8 GeV H{sup -} linac, will be the centerpiece of future HEP activities in the neutrino sector. After a short overview of this, and other proposed projects, we present the current status of the ...

A plan for exploring the physics and technology of induction linac development is discussed which involves a series of increasingly sophisticated experiments. The first is the single-beam transport experiment, which has explored the physics of a single space-charge-dominated beam. Second is the multiple-beam experiment in which four ...

In December 1991 the Survey and Alignment team of the Stanford Liner Accelerator Center (SLAC) purchased a Chesapeake single beam laser tracker. This paper will discuss first experiences and applications with this new type of an alignment instrument. (ERA...

Several of the neutron scattering instruments at the Intense Pulsed Neutron Source (IPNS) at Argonne use neutron choppers for monochromatization of the neutron beam. Since the neutron burst is produced by a proton beam extracted from the Rapid Cycling Syn...

The new AGS Booster is designed to accelerate low intensity polarized protons and heavy ions, and high intensity protons. The wide range of beam parameters and the vacuum, thermal and radiation environment, presented challenges in the instrumentation desi...

The supporting instrumentation necessary for a Van de Graaff electron accelerator is described. This includes a beam current integrator, a capacitor divider voltmeter, and an electron beam calorimeter, all with a precision of approximately plus or minus 0.05%. A cavity ion chamber for x-ray ...

There are a number of novel instrumentation issues relating to the generation cooling and acceleration of high power muon beams. Specific issues are monitoring the cooling water in the magnet nearest the target to minimize corrosion, monitoring the behavi...

... Descriptors : *Linear accelerators, *Ion accelerators, *Particle accelerator components, *Electron accelerators, *Proton accelerators, Electron beams ...

A combined system of beam position monitoring and rf measurement has been implemented at the APS S-band linear accelerator (linac). The linac is subdivided into five sectors and each sector is comprised of a klystron and associated accelerating structures. The instrumentation for each sector is located, together ...

The Neutrinos at the Main Injector (NuMI) neutrino beam facility began operating at the Fermi National Accelerator Laboratory in 2005. NuMI produces an intense, muon-neutrino beam to a number of experiments. Foremost of these experiments is MINOS--the Mai...

Measurements of the normalized emittance of the beam produced by the Advanced Test Accelerator (ATA) injector yielded values near 0.4 Radian-Centimeters at currents up to 10 kAmps. The instrument was also used to obtain beam-current-density profiles in two dimensions at the entrance mask of the ...

The AGS Booster was designed to accelerate low intensity (2 {times} 10{sup 10}) polarized protons, high intensity (1.5{times}10{sup 13}) protons and heavy ions through Au{sup +33}. Coping with this wide range of beams, the 3 {times} 10{sup {minus}11} Torr vacuum and the radiation environment presented challenges for the beam monitors. ...

The AGS Booster was designed to accelerate low intensity (2 {times} 10{sup 10}) polarized protons, high intensity (1.5{times}10{sup 13}) protons and heavy ions through Au{sup +33}. Coping with this wide range of beams, the 3 {times} 10{sup {minus}11} Torr vacuum and the radiation environment presented challenges for the beam monitors. ...

Within the halo experiment presently being conducted at the Low Energy Demonstration Accelerator at Los Alamos National Laboratory, specific beam instruments that acquire horizontally and vertically projected particle-density distributions out to greater than 10{sup 5}:1 dynamic range are located throught the 52-magnet halo lattice.

This presentation will aim to give an overview of the beam instrumentation foreseen for the LHC. A brief summary of the main systems will be followed by a discussion of areas where there have been recent advances, such as in the measurement of tune, chromaticity and coupling, or where there are still outstanding issues. The ...

The Fusion Materials Irradiation Test (FMIT) accelerator will supply the neutron flux required for studying materials that may be used in a fusion environment. The diagnostic measurement instrumentation, which will characterize the accelerator beam, must be noninterceptive because of the ...

... High current electron beam transport in ... Descriptors : *BEAM FORMING, *ELECTRON ACCELERATORS, *ELECTRON BEAMS, HIGH ENERGY ...

This report contains papers on the following topics: low- and medium-energy accelerators and rings; accelerator-instrumentation, controls, and feedback; injectors and ion sources; high-energy accelerators and colliders; synchrotron radiation sources; beam dynamics; and applications. (LSP)

This report contains papers on the following topics: low- and medium-energy accelerators and rings; accelerator-instrumentation, controls, and feedback; injectors and ion sources; high-energy accelerators and colliders; synchrotron radiation sources; beam dynamics; free-electron lasers; pulsed power devices; rf, ...

The beam emittance in future linear accelerators for high energy physics and SASE-FEL applications depends highly on the field performance in the accelerating structures, i.e. the damping of higher order modes (HOM). Besides theoretical and laboratory analysis, a beam based analysis technique was established [1] at ...

The presence of experimental apparatus in the interaction regions of an intersecting beam accelerator changes the configuration of the crossing beams. This changes the space-charge forces with respect to the standard, magnet-free crossing. There is strong interest in instrumenting one of the intersections at ...

Translated from Prib. Tekh. Eksp.; 16: No. 3, 31-34(1973). The circuit of an instrument for measuring the position and shape of a beam on an investigated target is described. The circuit is designed for operation with a beam-position pickup of the monitor or ionization type. The accuracy with which the ...

A radio-frequency quadrupole (RFQ) focused proton linac has been developed and successfully tested at the Los Alamos Scientific Laboratory (LASL) for the purpose of evaluating its performance and applicability as a low-beta accelerator. The geometry of the structure was designed to accept a 100-keV beam, focus, bunch, and accelerate it ...

We have achieved reliable cw operation of the Fusion Materials Irradiation Test (FMIT) radio-frequency quadrupole (RFQ) accelerator and have accelerated 40 mA of H/sub 2//sup +/ beam to an energy of 2 MeV. The technical considerations for future cw accelerator designs, based on our experience in achieving cw ...

... Accelerators and Colliders; Beam Dynamics; Applications and New Methods of Acceleration; New Methods; Linear Accelerators and Pulsed Power ...

Accelerator-based atomic physics experiments at Brookhaven presently use heavy-ion beams from the Dual MP Tandem Van de Graaff Accelerator Facility for atomic physics experiments of several types. Work is presently in progress to develop experiments which will use the intense photon beams which will be available in ...

A data acquisition and analysis instrument for the processing of accelerator beam position monitor (BPM) signals has been assembled and used preliminarily for beam diagnosis of the Fermilab accelerators. Up to eight BPM (or other analogue) channels are digitized and transmitted to an ...

... Descriptors : *ELECTRON ACCELERATORS, *LINEAR ACCELERATORS, USSR, ALIGNMENT, ELECTRON BEAMS, PRECISION ...

We review the current and future accelerator technologies for generation of high brightness radiation beam.

Adjustment of the system for transporting the extracted proton beam from the accelerator of the Institute of High-Energy Physics for neutrino experiments is reported. The system for fast extraction and transport of the beam is described. The technical characteristics of the magnetic elements of the channel and their power supplies are ...

Performance specifications of technical components of a modern proton radiotherapy facility are presented. The technical items specified include: the accelerator; the beam transport system including rotating gantry; the treatment beamline systems including beam scattering, beam scanning, and dosimetric ...

The AGS Polarized Beam Project was started in 1980. The first beam was accelerated in March 1984, followed by commissioning studies and a high energy physics run at 16.5 GeV at an average 30% polarization. The Linac portion of the project included a new polarized H/sup -/ ion source and a Radio-Frequency Quadrupole (RFQ). These will be ...

This paper outlines the basic principle of the laser tracker and the new and simplified alignment concept for the APS based on the use of these laser trackers. These instruments not only provide the necessary accuracy for positioning of beam components but are also reducing the time and manpower requirements for the alignment of beam ...

A system of beam diagnostics and rf phase and amplitude measurement, based mostly on VXI, was implemented at the APS Linac and has now operated successfully for more than two years. Standardization of instrumentation among the various APS accelerators accounted for some of the non-VXI packaged equipment that was used. Equipment for ...

Los Alamos National Laboratory has proposed several CW-proton-beam facilities for production of tritium or transmutation of nuclear waste with beam-current densities greater than 5 mA/mm(exp 2). The primary beam-diagnostics instrumentation requirement for these facilities is provision of sufficient ...

Los Alamos National Laboratory has proposed several CW-proton-beam facilities for production of tritium or transmutation of nuclear waste with beam-current densities greater than 5 mA/mm{sup 2}. The primary beam-diagnostics-instrumentation requirement for these facilities is provision of sufficient beam information ...

In a nutshell, the role of a beam diagnostic measurement is to provide information needed to get a particle beam from Point A (injection point) to Point B (a target) in a useable condition, with 'useable' meaning the right energy and size and with acceptable losses. Specifications and performance requirements of diagnostics are based on ...

The Beam Diagnostics and Instrumentation Team (BDIT) at Los Alamos National Laboratory's LANSCE facility is presently developing a new and improved wire scanner diagnostics system controlled by National Instrument's cRIO platform. This paper describes the current state of development of the control system along with ...

The characteristics of double choppers, rotating crystal spectrometers, and fast choppers for neutron research with the SORA reacter at specified operating characteristics are established. The intensities and resolutions for the instruments are estimated and compared with those for similar instruments operating at linear ...

... joint planning, national and international ... ETA (Experimental Test Accelerator) Beam Channel. ... BEAMS, *PARTICLE ACCELERATORS, RADIATION ...

... (Author). Descriptors : *ION ACCELERATORS, ELECTROMAGNETS, ION BEAMS, FOCUSING, RINGS, USSR, LINEAR ACCELERATORS. ...

This report contains lecture notes on beam dynamics and acceleration concepts in particle accelerators. (LSP)

... Descriptors : *LINEAR ACCELERATORS, *MEDICAL EQUIPMENT, ELECTRON ACCELERATORS, RADIOTHERAPY, ELECTRON BEAMS ...

... joint planning, national and international ... ACCELERATORS, *PROTON ACCELERATORS, PARTICLE ACCELERATOR TECHNIQUES ...

... Descriptors : *PARTICLE ACCELERATORS, *PLASMAS(PHYSICS), *BETATRONS, BETATRONS, PLASMAS(PHYSICS), INSTRUMENTATION ...

... Accession Number : AD0666379. Title : INSTRUMENTATION FOR THE CORIOLIS ACCELERATION PLATFORM. Descriptive Note : Joint rept.,. ...

The Heavy Ion Fusion Group at Lawrence Livermore National Laboratory has for several years been developing the world's first circular induction accelerator designed for space charge dominated ion beams. Experiments on one quarter of the ring have been completed. The accelerator extended ten half-lattice periods (HLP) with ...

In past years particle accelerators have become increasingly important tools for the advancement of medical science. From the pace of advancing technology and current directions in medical research, it is clear that this relationship between accelerators and medicine will only grow stronger in future years. In view of this importance, this relationship is ...

... designed electron guns can generate electron beams with emmitance ... NEC, provide beam acceleration without increasing beam emittance, and d ...

... Title : Investigation of Ion Beam Production and Acceleration Using Linear Electron Beams and a Pulse Powered Plasma Focus. ...

Continuously monitoring the beam quality in the CEBAF accelerator, a variety of beam diagnostics software created at Jefferson Lab makes a significant contribution to very high availability of the machine for nuclear physics experiments. The interface between this software and beam ...

by an All-Sky Monitor (ASM) provided by the Massachusetts .... Voltage Converters, Test Pulse Generator, Remote Interface .... Fast Fourier Transform. IV. PERFORMANCE ... accelerator beams. A typical detector response at 22 keV, ...

The Superconducting Super Collider, or SSC, is a proposed scientific instrument of the study of the fundamental nature of matter. In the SSC two 20-TeV beams of protons will be accelerated and counter circulate on an approximately circular path. The proto...

A newsletter produced by Chalk River's Tandem Accelerator Superconducting Cyclotron Facility. Included in the April issue is information on damage tests of satellite instrumentation, general news on success of beams achieved, assessment by NPPAP panel on ...

Using a surface barrier detector and standard nuclear instrumentation, the energetic charged products of fusion reactions between deuterium neutralizer gas and accelerated deuterium ions are sorted in energy to yield a measurement of the species from a ne...

Specific experiments and instrumentation and facility developments are discussed. The 12 UD Pelletron worked well and was utilized over 2900 hours as the time of beam on targets. The performance of the polarized ion source was good, and it produced the be...

Accelerators are the largest and most costly scientific instruments of the Department of Energy, with uses across a broad range of science, including colliders for particle physics and nuclear science and light sources and neutron sources for materials studies. COMPASS, the Community Petascale Project for Accelerator Science and ...

Accelerators are the largest and most costly scientific instruments of the Department of Energy, with uses across a broad range of science, including colliders for particle physics and nuclear science and light sources and neutron sources for materials studies. COMPASS, the Community Petascale Project for Accelerator Science and ...

Accelerators are the largest and most costly scientific instruments of the Department of Energy, with uses across a broad range of science, including colliders for particle physics and nuclear science and light sources and neutron sources for materials studies. COMPASS, the Community Petascale Project for Accelerator Science and ...

Fermilab is currently constructing the 'SRF Test Accelerator at the New Muon Lab' (NML). NML consists of a photo-emitted RF electron gun, followed by a bunch compressor, low energy test beamlines, SCRF accelerating structures, and high energy test beamlines. The initial primary purpose of NML will be to test superconducting RF ...

Electron and plasma beams and neutral gas plumes were injected into the space environment by instruments on Spacelab 1, and various diagnostic measurements including television camera observations were performed. The results yield information on vehicle charging and neutralization, beam-plasma interactions, and ionization enhancement ...

TRIUMF is constructing a test bed for the first stages of the proposed TISAC accelerated radioactive beam facility. The authors will present the requirements for the diagnostic system for this test stand and describe the design and development work underway. Scintillators, beamstops and a Faraday Cup have been tested using stable, mass analyzed, 12 keV ...

The new AGS Booster is designed to accelerate low intensity polarized protons and heavy ions, and high intensity protons. The wide range of beam parameters and the vacuum, thermal and radiation environment, presented challenges in the instrumentation design. This paper describes the problems and solutions for the ...

Historically, progress in high-energy physics has largely been determined by development of more capable particle accelerators. This trend continues today with the imminent commissioning of the Large Hadron Collider at CERN, and the worldwide development effort toward the International Linear Collider. Looking ahead, there are two scientific areas ripe for further ...

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 ...

... Keywords: Foils materials; Electron beams focusing; Linear accelerators. Descriptors : *FOCUSING, *ELECTRON BEAMS ...

... Title : Measurement of Acceleration Using an Instrumented Railgun Projectile. ... Railgun, Electromagnetic Launcher, Electromagnetic Acceleration. ...

The hot plasma instrument on the Voyager-2 spacecraft measured a nearly monoenergetic (100 keV) ion beam several hours after crossing the Jovian plasma boundary on the nightside of the planet. The beam, deduced to consist primarily of heavy ions, persisted for about four hours and originated from the general direction of Jupiter. The ...

A 52 quadrupole-magnet FODO lattice has been assembled and operated at the Los Alamos National Laboratory. The purpose of this lattice is to provide a platform to measure the resulting beam halo as the first few magnets of the lattice produce various mismatch conditions. These data are then compared with particle simulation so that halo formation mechanisms may be better ...

The Low-Energy Demonstration Accelerator (LEDA) injector is tested using the Chalk River Injector Test Stand (CRITS) radio-frequency quadrupole (RFQ) as a diagnostic instrument. Fifty-keV, dc proton beams are injected into the 1.25-MeV, CW RFQ and transported to a beamstop. Computer-simulation-code predictions of the expected ...

Virtual instrumentation system has been developed for the control system of SRRC. Almost of the measurement instruments are to provide IEEE-488 interface, they are distributed around the accelerator facilities, the virtual instrumentation system connects these instruments by local area ...

The Large Hadron Collider (LHC) at CERN will collide two counter-rotating proton beams, each with an energy of 7 TeV. The energy stored in the superconducting magnet system will exceed 10 GJ, and each beam has a stored energy of 362 MJ which could cause major damage to accelerator equipment in the case of uncontrolled ...

... joint planning, national and international politics ... Beam Dynamics; Accelerator Technology I ... Descriptors : *PARTICLE ACCELERATORS, SYMPOSIA ...

... warfare, joint planning, national and international ... a space charge wave accelerator. ... BEAMS, *ION ACCELERATORS, *PLASMA ACCELERATORS ...

In this paper, the electron beam diagnostics developed for recirculating electron accelerators will be reviewed. The main novelties in dealing with such accelerators are: to have sufficient information and control possibilities for the longitudinal phase space, to have means to accurately set the recirculation path length, and to have ...

This thesis deals with the transport and acceleration of intense ion beams in single-ended Van de Graaff accelerators and the multiple beam rf accelerator MEQALAC (Multiple Electrostatic Quadrupole Array Linear Accelerator). Ch. 2 discusses several ...

The Advanced Light Source (ALS) is a synchrotron radiation facility nearing completion at LBL. As a third-generation machine, the ALS is designed to produce intense light from bend magnets, wigglers, and undulators (insertion devices). The facility will include a 50 MeV electron linear accelerator, a 1.5 GeV booster synchrotron, beam transport lines, a ...

Beam emittance dilution by self induced transverse fields (wakefields) in accelerating structures is a key problem in linear accelerators. To minimize the wakefield effects the beam trajectory must be precisely centered within the structures. An efficient way to achieve this is to detect beam ...

Monitoring the temporal structure of an ultra-short electron beam is an indispensable function in order to tune a machine to obtain a highly qualified beam for a recent sophisticated accelerator, such as an X-ray free electron laser (XFEL), and to maintain stable X-ray laser operation. For this purpose, various ...

Various demands imposed by use of different techniques and research activities at the Department of Nuclear Physics and Technology (RBS, PIXE, Ion Beam Modification, etc.) resulted in the necessity of using a wide range of ion beam energies. An original 300 kV linear electrostatic open air accelerator has been modified to increase the ...

The BEAR program was a joint effort to launch, and demonstrate the feasibility of operating, a 1 MeV 10 ma Neutral Particle Beam (NPB) accelerator from a space platform. The accelerator design and manufacture were the responsibility of Los Alamos National Lab (LANL); diagnostics associated with accelerator ...

acceleration level) are typically measured during the science missions to characterize ... acceleration measurement instrument. Measuring the acceleration ...

The design and performance of an instrument for the imaging of coincidence annihilation gamma rays emitted from the end point of the trajectories of radioactive high-energy heavy ions is described. The positron-emitting heavy ions are the result of nuclear fragmentation of accelerated heavy ions used in cancer therapy or diagnostic medicine. The ...

The Low Energy Demonstration Accelerator (LEDA) facility located at Los Alamos National Laboratory (LANL) accelerates protons to an energy of 6.7-MeV and current of 100-mA operating in either a pulsed or cw mode. Of key importance to the commissioning and operations effort is the Beam Position Monitor system (BPM). The LEDA BPM system ...

A 6-MeV linear accelerator was adapted for superficial totalbody electron-beam therapy. The energy of the electron beam was reduced to 2.5 IdeV by a 1 cm x 1m x 2m polystyrene screen placed 4.5 m from the accelerator. The patients were treated behind the screen, which acted as a scatterer and also ...

... warfare, joint planning, national and international ... Rapid Electron Beam Accelerators (REBA-TRONS). ... the beam dynamics in a rebatron accelerator. ...

A comprehensive quality control instrument for calibration of medical accelerators that use photon, electron, or proton beams in teleradiotherapy is described. It employs a fluorescence screen, mounted on a central stage with four degrees of freedom, monitored by a CCD camera. A single set-up of the instrument ...

A liquid level system has been installed in the accelerator housing of the PEP storage ring. This instrument spans the entire 2.2 km circumference of the PEP project, and over one hundred readouts provide reference elevations which are used for the accurate alignment of accelerator components. The liquid level has proven to be ...

The PESCA instrument has been designed and built with the purpose of studying the Solar Energetic Particles and the Anomalous Cosmic Rays from hydrogen to iron in the energy range 1.5-50 MeV/uma. The instrument will be part of the Russian PHOTON satellite payload. The instrument electronic system comprises two blocks: the analog block ...

... foil targets are ablatively accelerated by a multi-nanosecond Nd ... accelerating target. ... laser beam requirements for uniform ablative acceleration. ...

The NRL Accelerator Mass Spectrometer facility was recently reconfigured to incorporate a modified Cameca IMS 6f Secondary Ion Mass Spectrometer as a high-performance ion source. The NRL accelerator facility supplants the mass spectrometer portion of the IMS 6f instrument. As part of the initial testing of the combined ...

The International Linear Collider (ILC) is a proposed facility for the study of high energy physics through electron-positron collisions at center-of-mass energies up to 500 GeV and luminosities up to 2 x 10{sup 34} cm{sup -2} sec{sup -1}. Meeting the ILC's goals will require an extremely sophisticated suite of beam instruments for the ...

The halo experiment presently being conducted at the Low Energy Demonstration Accelerator (LEDA) at Los Alamos National Laboratory (LANL) has specific instruments that acquire horizontally and vertically projected particle-density beam distributions out to greater than 10{sup 5}:1 dynamic range. They measure the core of the ...

beam to packets of sub-microsecond duration and accumulating beam current in the Proton Storage Ring, and distributing the ion beams to various targets, at which either...

The linear collider system is described in detail, including the transport system, the collider lattice, final focusing system, positron production, beam damping and compression, high current electron source, instrumentation and control, and the beam luminosity. The experimental facilities and the experimental uses are discussed along ...

Beam size and energy spread monitoring systems based on Synchrotron Light Interferometers (SLI) have been in operations at Jefferson Lab for several years. A non-invasive nature and a very high (a few mm) resolution of SLI make these instruments valuable beam diagnostic tools for the CEBAF accelerator. This ...

The effect of fringing fields on the divergence of the ion beam exiting an RF quadrupole ion guide was studied using a computer simulation. It was shown that reducing the strength of the RF field towards the ion guide exit reduces ion beam divergence. Further improvement was demonstrated when ...

This paper reviews several aspects of beam-limiting and radiation- limiting interlocks used for personnel protection at high-intensity accelerators. It is based heavily on the experience at the Los Alamos Neutron Science Center (LANSCE) where instrumentation-based protection is used extensively. Topics include the need for ``active`` ...

The coming development of high current linear accelerators for H/sup -/ ions requires improvement in diagnostic instrumentation that will permit accurate determination of the occupied phase space. A laser photo-detachment method is proposed to provide this new capability. The fundamental processes that are operative are explored and limitations to the ...

The Proceedings contains 1261 papers presented at PAC'97, held in Vancouver in May, 1997. With one third of the 1221 delegates coming from 23 countries outside North America, these papers present a comprehensive picture of accelerator science, technology ...

An accelerator mass spectrometry (AMS) facility has been developed at the Ion Beam Modification and Analysis Laboratory (IBMAL) at the University of North Texas (UNT) in conjunction with the 3 MV Tandem Accelerator. The computer controlled AMS instrument ...

A simple monitor has been built to measure the profile of the high power beam (800 kW) delivered by the CEBAF accelerator at Jefferson Lab. The monitor uses the optical part of the forward transition radiation emitted from a thin carbon foil. The small beam size to be measured, about 100 {mu}m, is challenging not only for the power ...