GAS BREMSSTRAHLUNG AND ASSOCIATED PHOTON-NEUTRON SHIELDING CALCULATIONS FOR ELECTRON STORAGE-RINGS

被引：15
|
作者：
LIU, JC
NELSON, WR
KASE, KR
机构：
[1] Stanford Linear Accelerator Center (SLAC), Stanford, CA, MS 48
来源：
HEALTH PHYSICS | 1995年 / 68卷 / 02期
关键词：
PHANTOM; DOSE; BREMSSTRAHLUNG; NEUTRONS;
D O I：
10.1097/00004032-199502000-00006
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The EGS4 electron-photon Monte Carlo code has been used to study the characteristics of the bremsstrahlung X rays generated from the interaction of circulating electrons with the residual gas in accelerator storage rings. Gas bremsstrahlung dose rates are given for various opening angles as a function of the electron beam energy ranging from 0.5-10 GeV. Photon and neutron dose rates, generated from various devices struck by gas bremsstrahlung in a synchrotron radiation beamline, are also presented along with the photon spectral and transmission results. The EGS4-predicted results are found to be in basic agreement with the measurements made at the Stanford Synchrotron Radiation Laboratory. Figures, equations, and a simple method useful for the photon-neutron shielding design for beamlines are provided.
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页码：205 / 213
页数：9
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