Radiological shielding considerations for the first optics enclosures of the Canadian light source

被引：7
|
作者：
Asai, J
Hirayama, H
机构：
[1] Univ Saskatchewan, Canadian Light Source Inc, Saskatoon, SK S7N 0X4, Canada
[2] High Energy Accelerator Res Org, KEK, Tsukuba, Ibaraki 3050801, Japan
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2005年 / 539卷 / 03期
关键词：
dose assessment; gamma radiation; lead; Monte Carlo; photoneutrons; radiation protection;
D O I：
10.1016/j.nima.2004.10.028
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A design study of radiation shielding due to gas bremsstrahlung is performed for the First Optics Enclosure (FOE). To induce the radiation shower, a copper metal is placed at the entrance of the FOE, followed by a silicon crystal which is set in the middle of the FOE. A lead stop is placed near the lead back wall. To assess the radiation level outside of the FOE, the FOE is encompassed by a water phantom in which the energy deposition is estimated by a Monte Carlo simulation. The dose distributions behind the back, side walls and roof are obtained simultaneously. The average dose equivalent rates are estimated and the FOE radiation shielding wall is examined in detail. (c) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：654 / 667
页数：14
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