The Rare Isotope Accelerator project involves generating heavy-element ion beams for use in a fragmentation target line to produce beams for physics research. The main beam, after passing through the fragmentation target, may be dumped into a beam dump located in the vacuum cavity of the first dipole magnet. For a ...

The Spallation Neutron Source accelerator systems will provide a 1 GeV, 1.44 MW proton beam to a liquid mercury target for neutron production. Beam tuning dumps are provided at the end of the linac (the Linac Dump) and in the Ring-to-Target transport line (the Extraction Dump) [1]. Thin windows ...

Heavy ion and radiation transport calculations are in progress for conceptual beam dump designs for the fragmentation line of the proposed Rare Isotope Accelerator (RIA). Using the computer code PHITS, a preliminary design of a motor-driven rotating wheel beam dump and adjacent downstream multipole has been ...

The ILC beam dumps are a key part of the accelerator design. At Snowmass 2005, the current status of the beam dump designs was reviewed, and the options for the overall dump layout considered. This paper describes the available dump options for the baseli...

Beam dumps for the heavy ion beams of the fragmentation line of the Rare Isotope Accelerator have been designed. The most severe operational case involves a continuous U beam impacting the beam dump with a power of 295 kW and a nominal spot diameter size of 5 cm. The dump mechanically consists ...

The Rare Isotope Accelerator project involves generating heavy element ion beams for use in a fragmentation target line to produce selected ion beams for physics research experiments. The main beam and fission fragments, after passing through the target, are collected and passed along by a series of collecting magnets and a dipole magnet. In the first ...

This paper describes the design of the downstream beam transport line for the second axis of the Dual Axis Radiographic Hydrodynamic Test (DARHT-II) Facility. The DARHT-II project is a collaboration between LANL, LBNL and LLNL. DARHT II is a 18.4-MeV, 2000-Amperes, 2-{micro}sec linear induction accelerator designed to generate short bursts of x-rays for ...

An expander driven by waste heat fluid is operatively connected to a synchronous or induction generator. A brake/clutch controller selectively connects the power recovery string to an eddy current brake/flywheel in order to maintain line frequency and control speed during normal conditions and to minimize acceleration of the string during a load ...

This paper describes the mechanical design of the downstream beam transport line for the second axis of the Dual Axis Radiographic Hydrodynamic Test (DARHT II) Facility. The DARHT-II project is a collaboration between LANL, LBNL and LLNL. DARHT II is a 18.4-MeV, 2000-Amperes, 2-{micro}sec linear induction accelerator designed to generate short bursts of ...

This paper describes the mechanical design of the downstream beam transport line for the second axis of the Dual Axis Radiographic Hydrodynamic Test (DARHT II) Facility. The DARHT-II project is a collaboration between LANL, LBNL and LLNL. DARHT II is a 20-MeV, 2000-Amperes, 2-{micro}sec linear induction accelerator designed to generate short bursts of ...

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 acceleration. Ions with a ...

... the extreme single dashed line energy levels ... it will not statistically experience the thermal levels of ... locations for tropic dump storage that contributed ...

This is a vector line file showing the dump site road at Chaco Culture National Historical Park. The coordinates for this dataset were heads up digitized ... ...

The CEBAF accelerator produces a very small emittance CW electron beam of up to 200 {mu}A average current. The resulting beam power, up to 1 MW at 5 GeV, and the very high beam power density, pose challenging problems for beam dump design. Two styles of high power dumps have been developed. The first, rated for 100+ kW, is used for ...

... warfare, joint planning, national and international ... is recirculated through the accelerator. ... LINES, *ELECTRON ACCELERATORS, HIGH POWER ...

The ASCII Tape Dump Utility program dumps an ASCII formatted tape. The tape may be positioned, specific items may be located, and the print-line may be aligned. The program may be executed in batch mode or in interactive (operator) mode.

The energy deposition and radiation issues at 8 GeV h{sup -} beam collimation in the beam transfer line and at stripping injection to the Fermilab Main Injector (MI) are analyzed. Detailed calculations with the STRUCT [1] and MARS15 [2] codes are performed on heating of collimators and stripping foils, as well as on accelerator elements radioactivation at ...

The beam abort system proposed for the Fermilab Tevatron Accelerator will extract the proton beam from the ring in a single turn (approximately 20/mu/s) and direct it to an external beam dump. It is the function of the beam dump to absorb the unwanted beam and limit the escaping radiation to levels that are acceptable to the ...

A beam-abort dump for the Fermilab Main Injector to handle 3E13 protons per pulse at 150 Gev has been designed. A 120 GeV beam line goes through the beam-dump off-set by 27cm from its center. The design and the environmental safety aspects of the beam-dump are described here.

... waveguide accelerators at the Tomsk Polytechnic Institute; High voltage artificial shaping lines for modulators of linear accelerators; A nanosecond ...

... in the Spiral Line Induction Accelerator ... Numerical Modelling of Intense Electron Beam Transport in the Spiral Line Induction Accelerator ...

The Final Focus Test Beam (FFTB) is a new beam line at the Stanford Linear Accelerator Center designed to test new beam optics concepts, hardware, and techniques necessary to achieve and measure the small spot sizes required for future generations of high-energy e+e- linear colliders. The FFTB takes a 47 GeVc-1, 1 kW electron beam at the end of the ...

The manual provides hydraulic design methods for various types of flexible channel linings. The permanent linings include vegetation and dumped rock riprap. The temporary linings are fiber glass roving, jutemesh, excelsior mat, and erosionet. Properly des...

the urinelwatrr dump line. Shuts off the vcnt;nR of. C/?d. : batteries rnto the urinrlwater dump. Inr. ____-_I. --. Applies d-c power from battery ...

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. The implementation of these beam lines has required the ...

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 beam and beamstrahlung extraction lines ...

Feedthrough of interference from the AC power line into accelerator components is a problem which in pulsed accelerators can be reduced by operation synchronous with the AC line. This means of avoiding line-frequency effects is ineffective for continuous ...

During commissioning of the first phase of the SARAF accelerator, several tests with ~ 1 mA proton beam at energy 1.5�3.5 MeV were performed. A commercial VAT copper beam dump was used as a beam stopper. The activation of the beam dump was measured and compared with literature. Beam induced blistering was not observed. The ...

This letter reports cavity dumping of an electrostatic-accelerator-driven free-electron laser (FEL), while it is injection-locked to a frequency-stabilized 240 GHz solid-state source. Cavity dumping enhances the FEL output power by a factor of {approx}8, and abruptly cuts off the end of the FEL pulse. The ...

This letter reports cavity dumping of an electrostatic-accelerator-driven free-electron laser (FEL), while it is injection-locked to a frequency-stabilized 240 GHz solid-state source. Cavity dumping enhances the FEL output power by a factor of ~8, and abruptly cuts off the end of the FEL pulse. The cavity-dumped, ...

A method is proposed in which an amplitude-modulated, rotating magnetic field is applied to an accelerated ion beam in a gas neutralizer to defocus the resultant neutral and ion beam in a controlled manner to control the intensity of the neutral beam along the beam axis at constant beam energy. Adjustments in the gas pressure determine the fraction of ions that is neutralized. ...

FACET is a proposed facility at SLAC National Accelerator Laboratory. It will provide high energy, tightly focused and compressed electron and positron bunches for beam driven plasma wakefield acceleration research and other experiments. FACET will be built in the SLAC linac sector 20, where it will be separated from the LCLS located immediately downstream ...

End Station A Test Beam (ESTB) is a beam line at SLAC using a small fraction of the bunches of the 13.6 GeV electron beam from the Linac Coherent Light Source (LCLS), restoring test beam capabilities in the large End Station A (ESA) experimental hall. ESTB will provide one of a kind test beam essential for developing accelerator instrumentation and ...

monitor and power supply data, such as beam loss during magnet quenches, dump kicker misfires and power Current Xfmr AC Line Monitor Power Supply quench quench dump beamabort dump beamabort Data storage for mortem plots show voltage ripples for many of the supplies, throughout the ring. Apparently a power

A beam-abort dump for the Fermilab Main Injector to handle 3E13 protons per pulse at 150 Gev has been designed. A 120 GeV beam line goes through the beam-dump off-set by 27cm from its center. The design and the environmental safety aspects of the beam-dum...

Quiescent dumping of electrons above 40 kev of the order of 10/sup 4/ particles (cm/sup 2/ sec ster)/sup -1/ was detected by the Injun l satellite at about 1000 km and high latitudes around July 1, 1961. In 16 passes between 230 and 340 deg E, the angular distribution of electrons about the magnetic vector B showed there was dumping in every one ...

A device is described for providing a source of molecular ions having a large output current and with an accelerated energy of the order of 600 kv. Ions are produced in an ion source which is provided with a water-cooled source grid of metal to effect maximum recombination of atomic ions to molecular ions. A very high accelerating voltage is ...

... The high value targets identified were marshalling yards, rail lines, roads, defiles, supply dumps, troop concentrations, enemy columns, bridges ...

May 1, 1998 ... Overnight, flight controllers continued to work on possible solutions to an apparent blockage in Columbia's waste water dump line. ...

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)

Selected examples of advanced accelerator concepts are reviewed. Such plasma accelerators as plasma beat wave accelerator, plasma wake field accelerator, and plasma grating accelerator are discussed particularly as examples of concepts for accelerating relativistic ...

Novel design options of HTS and LTS superconductor lines for fast-cycling accelerator magnets are presented. The cryogenic power losses in using these conductors in transmission line application to energize the accelerator magnet string are discussed. A t...

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 ...

... a recirculating accelerator known as the Spiral Line Induction Accelerator (SLIA ... is not unlike other long pulse recirculating accelerators where beam ...

... N o EVALUATION OF ACCELERATION-INDUCED PHASE NOISE ... 2 2. Delay Line Acceleration Sensitivity ..... ...

The ILC [1] Damping Ring to the Main Linac beamline (RTML) contains three extraction lines (EL). Each EL can be used both for an emergency abort dumping of the beam and tune-up continual train-by-train extraction. Two of the extraction lines are located downstream of the first and second stages of the RTML bunch compressor, and must ...

The Spallation Neutron Source ring injection dump beam line has been suffering high beam losses since its commissioning. In order to understand the mechanisms of the beam losses, we have performed 3D simulation studies of the beam line. The 3D models consist of three injection chicane dipoles and one injection dump ...

A collective Thomson scattering (CTS) diagnostic system for localized measurement of energetic ions is being developed for TFTR. This system will use a 200KW, 56GHz gyrotron and a sensitive heterodyne receiver. In addition, a key element of this system will be beam and viewing dumps which are needed to minimize detection of stray gyrotron and ECE background radiation by the ...

This work is concerning the design of an isotopic separation device on-line with an heavy-ion accelerator. The type of the separator and the Bernas-Nier type source are first described. The application of this technique to the off-line and on-line separat...

An analysis is presented of charged transmission-line configurations for use in high-current accelerators. Basic drawbacks of the symmetric radial-pulse-line design are identified. The concept of using asymmetric pairs of transmission lines of various geo...

A 36-year-old male skid-steer loader operator (victim) was electrocuted when he touched a dump truck that contacted an overhead power line. The victim was working with a truck driver from another business at the time that the incident occurred. The victim...

On October 27, 2006, a 53-year-old male truck driver was electrocuted when the raised long-bed dump trailer of the truck he was driving contacted an energized 4,800-volt overhead line. The decedent had delivered several loads of sugar beets to a local pro...

... temperature, vacuum, humidity, acceleration, vibration, heat ... obtains time-line data in the form of various metal atomic and molecular lines. ...

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...

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...

maximum the beam is su�ciently large that steel or tungsten plates can be absorb the tail of the beam � Snowmass, U.S.A. The International Linear Collider beam dumps R. Appleby The Cockcroft Institute, Daresbury The ILC beam dumps are a key part of the accelerator design. At Snowmass 2005, the current status

The 3 GeV rapid cycling synchrotron (RCS) at Japan Proton Accelerator Research Complex is already in user operation stage, delivering a stable and relatively high power beam to the Material and Life Science Experimental Facility as well as to the main ring. RCS utilizes multiturn H- charge-exchange injection for which a hybrid-type boron doped carbon stripper foil known as HBC ...

Acoustic Emission techniques are being investigated for use as protection systems in neutral beam accelerators and water cooled beam dumps. For this purpose, the characteristics of the boiling curve for forced-convection surface boiling have been compared...

From the standpoint of erosion, a long dump line may be preferable to a throttling dump valve to achieve the pressure drop from the HRE-3 slurry blanket to the dump tank. Extended length HRE-3 dump lines in which the maximum average velocity is 20 fps, the smallest ...

It is possible to form plasma accelerating cells at interaction of acoustic waves with plasma. Cells have submicrons sizes. It is shown also, that can line up such cells along the trajectory of the accelerated particle. By the effect of such acceleration is eplained the rejection in plasma the distribution of ...

The European X-ray Free Electron Laser XFEL, a new international research facility, will be built at DESY/Hamburg. The XFEL will generate extremely brilliant and ultra short pulses of spatially coherent X-rays with tuneable wavelengths down to 0.1 nm, and exploit them for revolutionary scientific experiments at various disciplines. The basic process adopted to produce the X-ray pulses is SASE ...

... 00 Lfl o'J The Impact of the Three-Wave Instability on the Nq Spiral Line Induction Accelerator ... ARPA Order #4395, A86 Line Induction Accelerator ...

The initial experimental results of the Brookhaven accelerator test facility (ATF) in-line injector is presented. The ATF in-line injector employed a full copper RF gun with a pair of solenoid magnets for emittance compensation. The maximum acceleration f...

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 characterization includes measurements of current, position, profile, energy, polarization and low-order ...

During the PEP-II LER commissioning run in July 1998 the beam profile in the tune up dump profile monitor just before LER injection showed an anomalous parabolic shape. The sextupole component of the field of bend magnets B2 and B4 in the beginning of the south injection tunnel (SIT) was thought to be the cause of this. An off-line model of the B2/B4 bend ...

The Pulse Line Ion Accelerator concept was motivated by the desire for an inexpensive way to accelerate intense short pulse heavy ion beams to regimes of interest for studies of High Energy Density Physics and Warm Dense Matter. A pulse power driver applied at one end of a helical pulse line creates a traveling ...

The superconducting magnetic switch or fast kicker magnet is employed with an electron stream or a bunch of electrons to rapidly change the direction of flow of the electron stream or bunch of electrons. The apparatus employs a beam tube which is coated with a film of superconducting material. The tube is cooled to a temperature below the superconducting transition temperature and is subjected to ...

Described here are new plasma manipulation techniques central to the development of a multicell Penning trap that is designed to increase positron storage by orders of magnitude (e.g., to particle numbers N >=10^12). The experiments are done using test electron plasmas. A technique is described to move plasmas across the confining magnetic field and dump them at specific ...

Beam transport programs are widely used to estimate the distribution of power deposited in accelerator structures by particle beams, either intentionally as for targets or beam dumps or accidentally owing the beam loss incidents. While this is usually adequate for considerations of radiation safety, it does not reveal the expected temperature rise and its ...

The two main functions of the NLC extraction line include: (1) transmission of the outgoing disrupted beam and secondary particles to the dump with minimal losses; and (2) beam diagnostics and control. In this report, we describe the extraction line optics, present the results of tracking studies, and discuss the extraction ...

There are various beam line components between the interaction point (IP) of the SLC and the beam dumps which will intercept enough beam to warrant calculating the radiation levels inside the final focus alcoves. The three types of devices which are of concern are the main dump, tune-up dumps, and adjustable ...

The management of back reflections and leakage through the Pockels cell and polarizer switch in the National Ignition Facility (NIF) beamlines requires robust beam dumps that can operate unattended for thousands of shots within the confines of the vacuum spatial filters. Off-line experiments and modeling have been used to investigate the use of metal for ...

The beam-dump kicker magnets are located in the final focus region and, in conjunction with septum magnets, extract the beams after they have passed the interaction point (IP) and direct them to their respective dumps. Two schemes for these kickers have been under consideration; ferrite transmission line magnets utilizing technology ...

The realisation of the National Center of Hadrontherapy was funded by the Italian Government in 2002. The Centre will be built in the area of Pavia (Italy). The synchrotron designed in the framework of this programme will accelerate protons and carbon ions up to 250 MeV and 400 MeV u(-1), respectively. Some of the main aspects which were taken into account in the design of the ...

Overview of stochastic acceleration model. " Plasma waves and turbulence. " Wave -particle interactions. " Application to flares ... Alfven wave. Field line ...

SPEAR3 SPEAR3 Status Accelerator Physics & Technology Development SPEAR History Safety Safety Accelerator Work Area Hazard Analysis Beam Line Authorizations Facility Emergency...

... Accession Number : ADA156694. Title : Potential Structures and Particle Acceleration on Auroral Field Lines. Descriptive Note : Technical rept.,. ...

Aug 24, 2011 ... The Magellan Line-of-Sight Acceleration Profile Data Records (LOSAPDR) give the local accelerations estimates of the Magellan Spacecraft at ...

The purpose of this program is to evaluate the use of distributed charge exchange in a transmission-line type of inductive plasma accelerator. For this evaluation it is necessary to measure the flux and angular and energy distribution of the ions and neut...

Energy measurement in coaxial plasma accelerator determining current, voltage on gun and at open end

Rott et al. [2002] showed that Drygalski Glacier accelerated threefold after the collapse of Larsen A ... 15 km upstream of the grounding line of Hektoria, Green, ...

A linear acceleration for charged particles is constructed of a plurality of transmission line sections that extend between a power injection region and an accelerating region. Each line section is constructed of spaced plate-like conductors and is coupled to an accelerating gap located at the ...

Novel design options of HTS and LTS superconductor lines for fast-cycling accelerator magnets are presented. The cryogenic power losses in using these conductors in transmission line application to energize the accelerator magnet string are discussed. A test arrangement to measure power loss of the proposed ...

An accelerating cavity having one or more iris structures mounted therein for strongly damping unwanted frequencies that are generated in the cavity by bunches of particles in a particle beam that is accelerated through the cavity during its operation. Each of the iris structures is characterized by containing a plurality of radial slots therein that ...

An accelerating cavity is disclosed having one or more iris structures mounted therein for strongly damping unwanted frequencies that are generated in the cavity by bunches of particles in a particle beam that is accelerated through the cavity during its operation. Each of the iris structures is characterized by containing a plurality of radial slots ...

A technique is described whereby the ion dumps inside the TFTR Neutral Beam Test Stand were used to measure thermal profiles of the full-, half-, and third-energy ions. 136 thermocouples were installed on the full-energy ion dump, allowing full beam contours. Additional linear arrays across the widths of the half- and third-energy ion ...

A technique is described whereby the ion dumps inside the TFTR Neutral Beam Test Stand were used to measure thermal profiles of the full-, half-, and third-energy ions. 136 thermocouples were installed on the full-energy ion dump, allowing full beam contours. Additional linear arrays across the widths of the half- and third-energy ion ...

Two-dimensional particle-in-cell simulations are performed to investigate electron dynamics in antiparallel and guide field (in the presence of a strong guide field) magnetic reconnection, and the mechanisms of electron acceleration are compared. In the antiparallel reconnection, the dominant acceleration occurs in the vicinity of the X ...

When a suitable accelerating voltage is applied to extract negative ions from a volume production source, electrons are also extracted. If no means of suppression is utilized, the electron current in a hydrogen plasma would typically be of the order of 80--100 times the negative-ion current. In the accelerator designs in use at Culham Laboratory, electrons ...

The error-rate performance of a DPSK lightwave receiver having an optical amplifier followed by a Fabry-Perot filter and delay-line demodulator is analyzed. Receivers with sampling and with integrate and dump threshold comparison are compared to the well-...

Potential drop sensors to detect the presence or the absence of sodium in pipe lines are described. These are very handy during loop charging and dumping operations. Their suitability to detect level surges and to monitor continuous level of liquid metals...

Mar 18, 2010 ... 4.1 Command line tools 13. h5dump 13. 4.2 GUI tools 13. 4.3 Read software in C, ... Interpretation and Screening 19. 6. More Information 20 ...

... ml water with wetting agent in an experimental packing line resulted in mortality in cocooned codling moth ... bins are submerged in dump tanks at the packing house for flotation of fruit. Received: May 1...