Project of a new in-flight fragment separator is proposed as a part of the third generation DRIBs facilities in Dubna. As compared to the existing separator ACCULINNA, beam intensity should be increased by a factor 10-15, the beam quality improved and the RIB assortment should broaden considerably at ACCULINNA-2. ...
NASA Astrophysics Data System (ADS)
After a brief survey of research work that has been done in Dubna using the secondary beams of the ACCULINNA separator, new data recently obtained for 9He are discussed. Results obtained in a new series of experiments dedicated to 8He and 10He are presented.
The tritium ion beam was required for study of 4H and 5H resonance states in neutron transfer reactions t+t-->5H+p and t+t-->4H+d. Experiments were performed at the separator ACCULINNA [1]. In the report the main aspects of the tritium ion beam production and the result of the cyclotron operation are presented. .
... line provides superior photon fluxes in ... The constructed beam line will provide ... Descriptors : *PHOTONS, *RESONANCE RADIATION, RADIATION ...
DTIC Science & Technology
, the RF bunchers in the injection beam line, used to enhance the cyclotron transmission by a factor by the beam transport through the injection beam line, the cyclotron accelerator and the extraction beam line aspects of the experiment; it required ...
E-print Network
... of Swept Line Electron Beam Annealing of ... Descriptors : *SEMICONDUCTORS, *ANNEALING, *ELECTRON BEAMS, EXPERIMENTAL ...
... in the Spiral Line Induction Accelerator ... Numerical Modelling of Intense Electron Beam Transport in the Spiral Line Induction Accelerator ...
The NK Muon Beam will be a modified version of the existing NT beam line. The decision to employ a modified version of the NT beam line was made based on considerations of cost and availability of the beam line. Preliminary studies considered use of ...
Energy Citations Database
... to provide full beam deflection for ... Descriptors : *SEMICONDUCTOR DIODES, *TRAVELING ... TRANSMISSION LINES, ELECTRON BEAMS, SHEETS ...
... be computed and then used to scale and combine the beams to generate an ... The beam interpolation scheme is applied to the K-alpha; line array. ...
... the coupling coefficient alpha is of ... between the hollow beam and the ... Descriptors : *ELECTRON BEAMS, ACCELERATION, TRANSMISSION LINES ...
... line-shaped electron beam through which ... ION IMPLANTATION, *ELECTRON BEAMS, *SILICON ... CRYSTALS, SEMICONDUCTORS, ELECTRICAL ...
As an experiment to improve beam-line performance and to solve some start-up problems, the use of beam and machine correction programs is being automated into a unified expert system. A paradigm for beam-line commissioning and start-up using a hybrid expe...
National Technical Information Service (NTIS)
A proposed beam line for the Linac facility at the Armed Forced Radiobiology Research Institute was studied. The proposed beam line is based on available components. Beam transport optics were done with a computer program named TRANSPORT. Some additional ...
The RIA fragmentation line requires a beam stop for the primary beam downstream of the first dipole magnet. The beam may consist of U, Ca, Sn, Kr, or O ions. with a variety of power densities. The configuration with highest power density is for the U beam...
Beam performance for the injection phase of proton beam commissioning of the AGS Booster synchrotron will be presented. The beam from the 200 MeV Linac is transported through a new beam line into the Booster. This Linac-to Booster (LTB) beam line ...
The Fermilab polarized beam and antiproton beams in the MP beam line are described. The Fermilab polarized-beam program using this facility are presented.
DOE Information Bridge
A possible interpretation of the strong Fe-K line is the line-photon beaming in the WD accretion column, due to resonance scattering of line photons ...
NASA Website
To optimize the operation parameters of the beam line of NBI on HL-2A, features of the beam line, including the beam profile and the power deposited on components and injected into the tokamak plasma, were measured. The operational parameters of the four sources on the beam ...
Properties of the disrupted NLC beam at the Interaction Point (IP) and particle loss in the extraction line are analyzed as a function of beam-to-beam position and angular offset at IP. The simulations show that disruption and beam loss maximize when the vertical beam separation at IP is about ...
A specialized bioengineering ion beam line has recently been completed at Chiang Mai University to meet rapidly growing needs of research and application development in low-energy ion beam biotechnology. This beam line possesses special features: vertical main beam ...
Vacuum and beam diagnostic equipment on beam lines from the Oak Ridge Isochronous Cyclotron, ORIC, is now controlled by a new dedicated system. The new system is based on an industrial programmable logic controller with an IBM AT personal computer providi...
Results of Monte Carlo radiation shielding calculations performed for the beam absorber of the MI 8 GeV beam line are presented and discussed. The possibility to reach the level of 10{sup 19} protons per year is investigated.
Results of Monte Carlo radiation shielding calculations performed for the beam absorber of the MI 8 GeV beam line are presented and discussed. The possibility to reach the level of 10(sup 19) protons per year is investigated.
The optics of the newly commissioned LHC beam transfer line TI 8 was studied with beam trajectories, dispersion and profile measurements. Steering magnet response measurements were used to analyze the quality of the steering magnets and of the beam positi...
Computer simulation is used to study issues of intense electron beam transport arising in the context of the spiral line induction accelerator (SLIA), a device in which the beam is transported along an open-ended beam pipe, making multiple passes through ...
This report describes the beam line polarimeters that are used in the primary p/sup -/ beams at LAMPF to monitor and measure the polarization of the beam. The devices are secondary standards of polarization and are calibrated primarily by the ion source quench ratio technique. Some independent checks of this ...
A conceptual model of a neutral-beam injector was used to examine the effect of beam-line components on reactor performance. Criteria were established to optimize a reactor's reliability and minimize its cost.
Diagnostic tools have been developed for use at the Structural Biology Center beam lines at the Advanced Photon Source. These tools are used in the calibration and operating verification of these synchrotron X-ray beam lines and constituent equipment.
The LCLS project databases provide key nomenclature information while integrating many engineering and physics processes in the building of an accelerator. Starting with the elements existing in the beam line optics files, the engineers add non-beam-line ...
The initial commissioning of the beam line for the T2K long baseline neutrino experiment was carried out in April and May of 2009. This paper contains an overview of the beam line components and presents initial results from the beam line commissioning.
A low energy beam line facility for atomic and surface physics research has been added to the injection line of the ECR source at the LBL 88-Inch Cyclotron. Beams throughout the periodic table can be delivered to 3 beam line stations at energies up to 15 ...
In the TESLA superconducting linear collider project, collisions occur at zero crossing angle. The option to rapidly dump the spent beams after the collision has been favoured recently to avoid the inconveniencies of large beam losses and beam line activation. For these reasons, the design of the ...
There are separate fast delay lines for the primary and secondary beams from ... the secondary beams from both telescopes, the angle tracker will provide ...
... intensity. The line width of the microwave transition is 180Hz, corresponding to an average beam velocity of .25 alpha. The ...
... of use to those interested in propagation theory and ... to laser range finders, laser line scanners ... and other systems employing an illuminating beam. ...
... various interesting atomic and ... ELECTRODES, *PARTICLE BEAMS, *ANTIPROTONS ... RINGS, RADIOFREQUENCY, DECELERATION, PARTICLE ...
In order to define the optical parameters of a slowly extracted beam at the entrance of the extraction channel and to realize optical matching with the beam line, the outgoing separatrix was measured at HIMAC. Modifying the lattice parameters of the ring model according to the measurement result, the simulation result makes it possible ...
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 ...
PubMed
In this note, the authors briefly review the current lattice of the NLC extraction line which was designed for the nominal NLC beam parameters. Then the authors describe the beam parameters for the high luminosity option with larger beam disruption parameter and discuss its effect on beam loss ...
Several significant superconducting beam line magnet systems are being constructed in the U. S. These will demonstrate the practicability of superconductors in beam lines. It is now time to consider some of the more subtle engineering problems associated ...
... Accession Number : ADD134036. Title : Performance of Electron-Beam Welded Joints in Steam Lines of 12Kh1MF Steel,. ...
... Accession Number : ADA199252. Title : Beam Line and Associated Work: Operational Phase 1985-1987. ... 1 Oct 1985-31 Jan 1988. ...
... Accession Number : ADA018230. Title : Analysis of a Proposed Beam Line for the AFRRI Linac. Descriptive Note : Final rept.,. ...
Requirements are provided for NSLS beam line front ends and vacuum interlocks. Guidelines are provided for UHV beam line vacuum systems, including materials, vacuum hardware (pumps, valves, and flanges), acoustic delay lines and beam line fast valves, ...
MODELING OF THE SENSITIVITY OF FAN-BEAM COLLIMATION IN ... Fan-beam collimators focus on a focal line parallel to the axis of rotation. ...
The properties of the existing low energy separated kaon beams at the Brookhaven AGS, and the preliminary plans to construct an improved kaon beam line with a high resolution spectrometer for this facility are reported. 10 references.
During this period an improved meander line, deflection structure was fabricated and incorporated into a phosphor-screen, beam tester. It was tested and the measured beam deflection sensitivity is presented. (Author)
The Gaussian profile of a laser beam can be changed by using a hologram with a suitable phase function. In particular a square and a line of uniform intensity can be generated from a Gaussian input beam.(AIP)
A prototype rf beam monitor has been tested on the Racetrack Microtron's (RTM) 100 kV injector beam line at the National Bureau of Standards (NBS). This beam monitor is capable of measuring the current, the relative phase, and the position of the beam. Th...
The CEBAF beam transport system consists of six subsystems: injector optics, linac lattices, spreaders, extraction regions, recirculation arc beam lines, and recombiners. In this report we describe recent modifications to the beam transport system design....
The principles of emittance measurement on a primary beam based on measuring beam profiles at three locations along a drift space are discussed. This method is used to measure the emittance and central trajectories of each of the four recombined beams in ...
Strong coherent signals complicate bunched beam stochastic cooling, and development of the longitudinal stochastic cooling system for RHIC required dealing with coherence in heavy ion beams. Studies with proton beams revealed additional forms of coherence. This paper presents data and analysis for both sorts of ...
An overview is given of the current spectroscopic effort on the Livermore electron beam ion trap facilities. The effort focuses on four aspects: spectral line position, line intensity, temporal evolution, and line shape. Examples of line position measurem...
... Title : PRODUCTION OF THE STIMULATED RAMAN LINES IN H SUB 2 GAS WITH A FOCUSEDLASER BEAM, IN: OPTICAL SOCIETY OF ...
... channel centerline from an appropriate transmission point. ... channel by steering to keep the beams overhead. ... was made to remove the 'line of sight ...
... and dark lines. In particular, a modulated laser beam having high frequency components is utilized to illuminate the target, the reflected energy ...
... Descriptors : (*CATHODE RAY TUBES, DELAY LINES), (*DELAY LINES, CASCADE STRUCTURES), ELECTRON TUBES, PATENTS, USSR. ...
Vacuum and beam diagnostic equipment on beam lines from the Oak Ridge Isochronous Cyclotron, ORIC, is now controlled by a new dedicated system. The new system is based on an industrial programmable logic controller with an IBM AT personal computer providing control room operator interface. Expansion of this system requires minimal ...
The KEK proton synchrotron has two external beam lines, viz. a fast extracted beam line for a bubble chamber and a slow extracted beam line for counter experiments. The maximum total intensity of the slow beam is estimated as 5 x 10 exp 12 protons per ...
We discuss the design principles for high current injection beam lines having a high degree of beam quality preservation. These principles are applied to designing a high current e-beam injection line delivering 10 MeV e-beams from the injector to an accelerator driving LTV ...
The LEB-MEB beam transfer line for the Superconducting Super Collider has ten dipoles, twenty four quadrupoles and three septum magnets. The effect of magnet misalignments and field errors on the beam position mismatching and emittance growth is analyzed statistically and a beam position correction scheme is given. ...
The A-6 main beam-line window at LAMPF separates the vacuum of the main beam line from the isotope production station, proton irradiation ports, and the beam stop, which operate in air. This window must withstand the design beam current of 1 mA at 800 MeV...
A progress report is given on the implementation of Multi-Undulator Beam Line V at SSRL, also known as Beam Line Wunder. The beam line has been designed to exploit insertion device technology in the spectral range from 10 to 1000 eV. Aspects of the multi-undulator, the ...
Current low momentum (about 500 MeV/c) high acceptance (about 5 msr) kaon beam lines feature high ratios of charged contaminant particles to kaons. The results of computer calculations on scattering and pion production from K/sup 0/ /SUB S/ decay are presented to indicate some of the sources of this contamination. Criteria for the design of ...
... antenna system with a communication network to improve ... STRIP TRANSMISSION LINES, COMMUNICATIONS NETWORKS, MILLIMETER ...
The beam line components that comprise the main experimental beam at the Clinton P. Anderson Meson Physics Facility (LAMPF) have been operating since February 1976. This paper will define the functions of the primary water-cooled elements, their design ev...
A prototype extraction line for the Next Linear Collider is discussed that has several important functions that include optimizing luminosity, characterizing beam properties at the Interaction Point and transporting beams from the IP to a dump. Beam chara...
An effective system for the protection of LAMPF primary beam lines has been built and installed. In three years of operations, it has prevented major damage from the effects of very high intensity (up to 600 mu A) errant beams. The harsh environment of th...
A new type of beam current monitor has been developed which allows the measurement of the electron beam current in a gas neutralized transport line or at an injection point to a propagation cell. Subnanosecond response is obtained by using a low inductanc...
Heavy ion beams with initially uniform line charge density can be compressed longitudinally by an order of magnitude in such a way that the compressed beam has uniform line charge density and velocity-tilt profiles. There are no envelope mismatch oscillat...
A study of the beam distributions in the 2 mrad and 14/20 mrad extraction lines are presented. Beam losses, energy losses due to synchrotron radiation and spin diffusion are shown. Synchrotron radiation distributions generated by the beam as it traverses ...
The apparatus which sweeps calorimeter and endwall modules through the beam during testing is called a beam line test table. Because of rather stringent requirements for the physical positioning of the modules an analysis is done here to determine the mod...
A method is proposed and a device is developed for calibration of beam position monitors. The beam is simulated by a current or a charge transmitted in a two-wire line. The calibration error is not over 10%. 4 refs., 6 figs.
A beam line has been constructed to transport the proton beam of the 500 MeV Booster Synchrotron to a new experimental facility, Booster Synchrotron Utilization Facility (BSF), which consists of those for neutron scattering experiments, researches of meso...
The smoothness of a beam line refers to the quality of the relative positioning of a number of adjacent beam guiding components. The fact that smoothness is of highest priority when positioning magnets can be seen in the local tolerances imposed by the be...
The acceleration of an electron beam in a double radial lines system excited by an external pulse generator has been accomplished and the basic mechanisms of the processes of obtaining the accelerating fields and of the acceleration of the beam have been investigated. (AIP)
In this note we present results of beam tracking in the NLC extraction line for the NLC option with high luminosity beam parameters (option H). Particle losses for 0.5 TeV and 1 TeV cms energy beams have been computed and examined as a function of beam of...
In this note we present results of beam tracking in the NLC extraction line for the NLC option with high luminosity beam parameters (option H). Particle losses for 0.5 TeV and 1 TeV cms energy beams have been computed and examined as a function of beam offset at the interaction point (IP). ...
Beam transfer lines for the Spallation Neutron Source (SNS) are designed to have low beam losses for hand on maintenance while satisfying the facility footprint requirements. There are two main beam transfer lines, High Energy Beam Transport (HEBT) line ...
In this paper we investigate the profile of the 18 MeV proton beam from the IBA 18/9 cyclotron at the H�pitaux Universitaires de Gen�ve. The profile of the beam has a large impact on the isotope yields obtained from liquid or solid targets. The beam shape may be controlled by a beam-line, comprising ...
A study was done to understand the beam line optics from the beginning of Switchyard all the way to the end of Neutrino beam line. All available SWIC data were taken to get the beam centroid and width to be used in the analysis. The beam emittance and lattice function at ...
The design and operation of a beam line for transporting and charge-to-mass selecting highly charged ions extracted from the National Institute of Standards and Technology electron beam ion trap (EBIT) are described. This beam line greatly extends the range of experiments possible at this ...
Attention is given to the Optical Adjustment and Control Subsystem (OACS) used to align a multibeam laser system. The OACS baseline system consists of an amplifier and preamplifier, driver line, beam splitter array, 24 beam lines, end, injection, and turning mirrors, and a focusing lens. The system may be used for ...
The AGS to RHIC (AtR) beam transfer line has been constructed and will be used to transfer beam bunches from the AGS machine into the RHIC machine which is presently under construction at BNL. The original design of the AtR line has been modified. This article will present the optics of the various sections of the ...
A computer code, COMFORT, has been developed at SLAC for on-line calculation of the strengths of magnetic elements in an electron storage ring or transport beam line, subject to first order fitting constraints on the ring or beam line parameters. This code can also be used ...
The sensitivity of a beam-transport line to various perturbations determines the extent to which one can simplify component design and relax tolerances. For the PEP injection lines, effects of various fabrication errors, magnet misalignments, and residual...
The High Energy Beam Transport (HEBT) and Ring to Target Beam Transport (RTBT) lines of the Spallation Neutron Source (SNS) include collimation systems that protect the line itself, as well as the systems downstream. Due to the one-pass mechanism in a tra...
A preliminary investigation of the electron beam produced by a plasma focus device using a current charged transmission line is described. Electron beam currents as high as 10 kA were measured. Interaction of the extracted beam and the filling gas was studied using open shutter photography.
A preliminary investigation of the electron beam produced by a plasma focus device using a current charged transmission line is described. Electron beam currents as high as 10 kA were measured. Interaction of the extracted beam and the filling gas was stu...
Properties of the TRIUMF neutron beam (4A /2) are presented and compared with a Monte Carlo prediction. The beam intensity profile, energy spectrum and polarization are predicted taking into account the beam line geometry, energy losses in the LD(sub 2) p...
A feasible and conservative design for a medium energy polarized antiproton beam has been presented. The design requires an intense beam of unpolarized antiprotons ((ge) 10(sup 7)/sec) from a typical secondary beam line in order to achieve reasonable (ant...
The average power in the LAMPF primary beam is now approximately 450 kW. At these power levels errant beams can quickly destroy accelerator or experimental area beam line components, while the long-term deposition of even a small fraction (
Though linac beam intensity is sufficient (about 15mA) optical beam properties were improved in order to fit the renewed Saturne transverse acceptance with a good factor of security. The low energy beam line located between the preinjector and the linac w...
Beams of relativistic tritium nuclei, prepared at the accelerator facility of the Laboratory of High Energies, JINR, are described. The beams are based on the alpha-particle stripping reaction. The beam lines used are analyzed and the ways of reducing of ...
Beam based alignment is being routinely applied in the SLC Final Focus and has proved to be a very useful tool for determining the quality of the zeroth order orbit as defined by various beam line elements. Given the stringent requirement on the beam qual...
The Materials and Life Science Facility (MLF) is currently under construction at J-PARC in Tokai, Japan. The muon section of the facility will house the muon production target and four secondary beam lines used to transport the muons into two experimental halls. Currently, one of the four beam lines (the Decay ...
A diffraction grating was used in the Littrow and off-Littrow configurations to select the lines in a cw HF stable resonator. The beam is outcoupled through a partially reflective mirror. Single line Littrow, single line off- Littrow, and off-Littrow line pair performance were measured. For the ...
This paper presents the design of two beam transport lines at the BSNS: one is the injection line from the Linac to the RCS and the other is the target line from the RCS to the target station. In the injection beam line, space charge effects, transverse halo collimation, ...
Testing of a new automatic tuning procedure in an LBL SuperHILAC beam transport line has been conducted with the third injector microcomputer control system. This technique is an advance over the sequential station-by-station automatic tuning method developed for the Bevalac transfer line. The computer now performs steering/focusing ...
This patent describes a nuclear reactor having a jet pump diffuser and a pressure sensing line and a stand off block, a beam for securing a pressure sensing line to the side of a jet pump diffuser, comprising in combination: an arcuate beam member having an upper and a lower end and spanning a length sufficient to ...
The lithium beam probe (LBP) is widely used for measurements of the electron density in the edge plasma of magnetically confined fusion experiments. The quality of LBP data strongly depends on the stability and profile shape of the beam. The main beam parameters are as follows: beam energy, ...
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 ...
is the fiber optics line and the thick solid red line is the optical beam propagating in free space. The laser in real time on an off-axis optical beam path � green/yellow line, no laser light propagates in this beam characteristics and the configuration of the ...
A high resolution on-line isotope separator (ISOL) followed by a long beam transport line is under testing at INS, as a pilot radioactive beam facility for the E-arena of the Japanese Hadron Project. The ISOL has a unique feature in its high voltage poten...
Today, numerous simulation and analysis codes exist for the design, commission, and operation of accelerator beam lines. There is a need to develop a common user interface and database link to run these codes interactively. This paper will describe a proposed system, GLAD (Generic LAttice Debugger), to fulfill this need. Specifically, GLAD can be used to ...
Final design of the neutral beam lines for TFTR has been completed. A prototype has been assembled at Lawrence Berkeley Laboratory and is undergoing testing as part of the Neutral Beam System Test Facility (NBSTF). The final neutral beam line (NBL) configuration differs in several details from ...
The TFTR Neutral Beam Lines are designed to inject 20 MW of 120 keV neutral deuterium atoms into the plasma. This is accomplished using 12 sources, 65 amperes each, mounted in 4 beam lines. The 120 kV sources and a prototype beam line are being developed....
of i a transmission line reso- nator, ii an rf SQUID, and iii a nanomechanical beam. The open quantum on a physical model in which a doubly- clamped nanomechanical beam, a rf SQUID, and a transmis- sion line.e., the clamped nanomechanical beam, is integrated into the rf SQUID with a Josephson ...
The first of the two LHC transfer lines was commissioned in autumn 2004. Beam reached an absorber block located some 2.5 km downstream of the SPS extraction point at the first shot, without the need of any threading. The hardware preparation and commissioning phase will be summarized, followed by a description of the beam tests and ...
A program library based on the macro particle method for numerical simulation and optimization of multi-component ion beam transportation from ion sources to RFQ accelerators is presented. The latest version of library was applied for simulations of transverse dynamics of an argon ion beam in the beam line from the ...
A new optical beam monitor with a self-tracking system was constructed and tested at an undulator beam line of the Photon Factory. The monitor has a feedback system to receive a constant part of the radiation and gives a large range of linearity. The beam position is read out through a linear encoder to detect the ...
Heavy ion beams with initially uniform line charge density can be compressed longitudinally by an order of magnitude in such a way that the compressed beam has uniform line charge density and velocity-tilt profiles. There are no envelope mismatch oscillations during compression. Although the transverse temperature ...
Computer control around SATURNE II deals with two distinct systems: one affects the accelerator itself, the other monitors the beam lines used by the physicists. The latter is discussed. The transport of beam particles is obtained by bending magnets, focussing quadrupoles and adjustable collimators. Various detectors along the ...
A low energy beam line facility for atomic and surface physics research has been added to the injection line of the ECR source at the LBL 88-Inch Cyclotron. Beams throughout the periodic table can be delivered to 3 beam line stations at energies up to 15 Q keV. Experiments ...
As part of the Reactor Accelerator Coupling Experiment (RACE) a set of preliminary studies were conducted to design a transport beam line that could bring a 25 MeV electron beam from a linear accelerator to a neutron-producing target inside a subcritical system. Because of the relatively low energy beam, the ...
As part of the Reactor Accelerator Coupling Experiment (RACE) a set of preliminary studies were conducted to design a transport beam line that could bring a 25 MeV electron beam from a Linear Accelerator to a neutron-producing target inside a subcritical system. Because of the relatively low energy beam, the ...
One of the two ILC Interaction Regions will have a large horizontal crossing angle which would allow to extract the spent beams in a separate beam line. In this paper, the extraction line design for 20 mrad crossing angle is presented. This beam line transports the primary ...
Several members of the Accelerator and Operations Technology (AOT) division beam-diagnostics team performed time-of-flight (TOF) beam-energy measurements in line D of the Los Alamos Meson Physics Facility (LAMPF) using developmental beam time. These measurements provided information for a final design of an ...
A new luminescence beam profile monitor is realized in the polarized hydrogen gas jet target at the Relativistic Heavy Ion Collider (RHIC) facility. In addition to the spin polarization of the proton beam being routinely measured by the hydrogen gas jet, the luminescence produced by beam-hydrogen excitation leads to a strong Balmer ...
The expansion of the National Synchrotron Light Source has been funded by the US Department of Energy. The Phase II program consists of both increased conventional facilities and six new beam lines. In this paper, an overview of the six beam lines which will be constructed during Phase II is presented. For five of ...
We describe calculations of the energy loss, range, stopping power, multiple scattering, and other related properties of a high-energy heavy-ion beam at any one of a set of beam line elements. A beam line element (e.g., any beam modification, detection, or control device) ...
The Heavy Ion Transfer Line (HITL) was constructed to transport beams from the BNL Tandem Van de Graaff (TVDG) to be injected into the AGS. Because the beam line is approximately 2000 feet long and the particle rigidity is so low, 20 beam monitor boxes were placed along the ...
Density perturbations are induced in a heated plasma by means of a pair of oppositely directed, polarized laser beams of the same frequency. The wavelength of the density perturbations is equal to one half the wavelength of the laser beams. A third laser beam is linearly polarized and directed at the perturbed plasma along a ...
This invention relates to a dynamic beam/seam alignment control system for electron beam welds utilizing video apparatus. The system includes automatic control of workpiece illumination, near infrared illumination of the workpiece to limit the range of illumination and camera sensitivity adjustment, curve fitting of seam position data to obtain an accurate ...
... The probes have 50 mm beam spacing ... one of the beams along a line of points. ... pumps. Quantities calculated for the outboard pump are ...
... Automatic tracking, *Laser guidance, *Antitank missiles, Surface to surface missiles, Laser beams, Gyro stabilizers, Beam rider trajectories, Line of ...
... Title : Sulfide Stress Cracking Resistance of Electron Beam Welded, High Strength Ni-Cr-Mo Line Pipe Steels,. Corporate Author : ...
Apparatus for producing fast, repetitive pulses of controllable length of an electron beam by phased energy storage in a transmission line of length matched to the number of pulses and specific pulse lengths desired.
... phase molecular beam epitaxy (MBE ... RATE, MANUFACTURING, MONITORING, PRECURSORS, PLASMAS ... GROWTH, MOLECULAR BEAMS, TIME ...
Mach-Zehnder Interferometer (2). Mirror. Mirror. Beam Splitter. Beam Splitter ... Mach-Zehnder Interferometer (4) unbalanced without delay line ...
... a recirculating accelerator known as the Spiral Line Induction Accelerator (SLIA ... is not unlike other long pulse recirculating accelerators where beam ...
... uses computer-controlled modulation of x-ray fields by ... The beam intensity was modulated using a ... both calculations, the isodose lines represent the ...
Aug 4, 2011 ... A solar tracking Direct beam Irradiance Airborne Spectrometer (DIAS) is used for calculation of line of sight ozone and wavelength dependent ...
... The losses include transmission line losses, mismatches in the feed, and the coupling losses if multiple beams are formed. 37 Page 49. 6.5 56- ...
... Abstract : In X-ray cone-beam tomography, the only planar source trajectory that does not produce incomplete data is the infinite line. ...
The beamviewer is one of the optical control systems which are used to determine the position, shape and charge distribution of the electron beam. It consists of a hard aluminum shelter which is mounted in the beam line. Therein a fluorizing platelet (the...
A fast stripline beam kicker is used to dynamically switch a high current electron beam between two beamlines. The transverse dipole impedance of a stripline beam kicker has been previously determined from a simple transmission line model of the structure. This model did not include effects due to the long axial ...
As part of the Reactor Accelerator Coupling Experiments (RACE) a set of preliminary studies were conducted to design a transport beam line that could bring a 25MeV electron beam from a linear accelerator to a neutron-producing target inside a subcritical nuclear system. Because of the relatively low energy beam, ...
... two electron-beam lines overlap to cause undercutting. (Author). Descriptors : *LITHOGRAPHY, *ELECTRON BEAMS, POLYMERS, ELECTRON ...
We analyze the line shape and width of atomic coherent-population-trapping (CPT) resonances excited by laser beams with different transverse intensity profiles. A dramatic difference in the resonance line shape is found when comparing a beam with a 'steplike' profile to a beam ...
The ATF (Accelerator Test Facility in KEK) damping ring has been designed to produce the low emittance beam required by future linear colliders. In the design, the normalized vertical emittance of the ATF damping ring is 3.0E-8 radm which corresponds to the vertical beam size of about 10 micron in the extraction line. The emittance of ...
The drawings on the drawing list provide the data and specifications for constructing a one-inch toroidal beam current transformer. This device is a toroidal coil consisting of a few or more turns of conductor which then produces a voltage proportional to the current in the beam. The voltage pulse (pulsed beams) can be shaped, stored, ...
The use of recirculation in linear accelerator designs requires beam transport systems that will not degrade beam quality.We present a design for the transport lines to be used during recirculation in the CEBAF accelerator. These beam lines are designed to avoid beam ...
A high current kicker has been designed and tested on the ETA-II beam line. A bias dipole which surrounds the kicker acts to deflect the beam in the DC mode. High voltage pulsers (10kV) with fast rise times (10ns) are connected to the internal strip lines of the kicker. They are used to manipulate ...
A code for 2D space-charge dominated beam dynamics study in beam transport lines is developed. The code is used for particle-in-cell (PIC) simulation of z-uniform beam in a channel containing solenoids and drift space. It can also simulate a transport line where quadrupoles are used for ...
The low-energy undulator test line (LEUTL) is being built and will be tested with a short beam pulse from an rf gun in the Advanced Photon Source (APS) at the Argonne National Laboratory. In the LEUTL a beam chopper is used after the rf gun to deflect the unwanted beam to a beam dump. The ...
Two years ago, the CENBG has commissioned the AIFIRA (Application Interdisciplinaire des Faisceaux d�Ions en Aquitaine) facility for the development of an interdisciplinary research program based on a 3.5 MV Singletron� accelerator (HVEE, The Netherlands). In addition to the existing beam lines, this facility is being equipped with a high ...
The Spallation Neutron Source (SNS) will be constructed by a multi-laboratory collaboration with BNL responsible for the transfer lines and ring. [1] The 1 MW beam power necessitates careful monitoring to minimize un-controlled loss. This high beam power will influence the design of the monitors in the high energy ...
