نتایج جستجو برای: accelerator

تعداد نتایج: 16836  

2001
J. Neumann

The Maryland Infrared Free Electron Laser is being constructed at the University of Maryland, and is expected to lase in the far infrared. The accelerator driving the laser is a 10 MeV linac which is being assembled in an “in-line” configuration. The design work for the accelerator was accomplished using Trace-3D and PARMELA computer simulations. When the accelerator is completed, it will be ab...

2012
Anthony Andrews Y. Kim C. Eckman A. Hunt

The Idaho Accelerator Center (IAC) of Idaho State University, has been operating nine low energy accelerators for nuclear physics applications and medical isotope production [1]. But almost all of those accelerators do not have modern computer based systems to control the various accelerator components remotely. To obtain stable accelerator operations with a good reproducibility, the EPICS acce...

2007
Hamid Noori Farhad Mehdipour Morteza Saheb Zamani Koji Inoue Kazuaki Murakami

In an embedded system including a base processor integrated with a tightly coupled accelerator, extracting frequently executed portions of the code (hot portion) and executing their corresponding data flow graph (DFG) on the accelerator brings about more speedup. In this paper, we intend to present our motivations for handling control instructions in DFGs and extending them to Control DFGs (CDF...

2003
Luis Alvarez

A major new accelerator with unique capabilities for studies of electromagnetic interactions, neutron physics, and applied reactor technology will be operating at LRL's Livermore Laboratory by mid1969. The AEC recently announced the allocation of $4.1 million to build and house the new 100 MeV "electronpositron" linear accelerator. The machine will be similar in principle to the 25 MeV Linac wh...

Journal: :The Review of scientific instruments 2016
Hyeok-Jung Kwon Sae-Hoon Park Dae-Il Kim Yong-Sub Cho

Korea Multi-purpose Accelerator Complex is developing a single-ended electrostatic ion accelerator to irradiate gaseous ions, such as hydrogen and nitrogen, on materials for industrial applications. ELV type high voltage power supply has been selected. Because of the limited space, electrical power, and robust operation, a 200 MHz RF ion source has been developed. In this paper, the accelerator...

1985
Pisin Chen Ronald D Ruth

In this paper we compare the Plasma Beat Wave Accelerator and the Plasma Wake Field Accelerator. We show that the electric fields in the plasma for both schemes are very similar, and thus the dynamics of the driven beams are very similar. The differences appear in the parameters associated with the driving beams. In particular to obtain a given accelerating gradient, the Plasma Wake Field Accel...

Journal: :journal of biomedical physics and engineering 0
m robatjazi tehran university of medical sciences k tanha bushehr university of medical sciences s r mahdavi iran university of medical sciences h r baghani shahid beheshti university h r mirzaei shahid beheshti university of medical sciences m mousavi tehran university of medical sciences

background: one of the main problems of dedicated iort accelerators is to determine dosimetric characteristics of the electron beams. monte carlo simulation of iort accelerator head and produced beam will be useful to improve the accuracy of beam dosimetry. materials and methods: liac accelerator head was modeled using the beamnrcmonte carlo simulation system. phase-space files were generated a...

2008
Jian Ma Joon S. Lee Woosoon Yim J. Ma J. Lee W. Yim

In 1998, the Institute of Physics and Power Engineering (IPPE) and Experimental and Development Organization “Gidropress” in Russia, began the design and construction of a prototype leadbismuth eutectic (LBE) accelerator target, the Target Complex 1 (TC-1), under the International Science and Technology Center (ISTC) project #559 (“Pilot Flow Lead-Bismuth Target of 1 MW Power for Accelerator Dr...

2007
J. A.

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

2006
Y. Cai M. Dohlus T. Sen R. Uplenchwar

Invited ta Accelerator Ph 2, 2004. Correspond E-mail addr Work suppo contract numbe Support by gratefully ackno cations of parallel computational methods to charged-particle beam dynamics A. Kabel , Y. Cai, M. Dohlus, T. Sen, R. Uplenchwar Stanford Linear Accelerator Center, 2575 Sand Hill Road, Menlo Park, CA 94025, USA Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, D-22603 Hamburg, Germ...

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