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A measurement of the residual radioactivity with NaI survey meter and its MC simulation
Wang QB(王庆斌); Wang, QB; Kazuyoshi, M; Hideo, H; Tokushi, S
2007
发表期刊HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
卷号31期号:11页码:1071-1075
通讯作者Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
摘要The present study shows how Monte Carlo method using EGS4 code can be useful for evaluating the residual radioactivity induced in shielding concrete of accelerator facilities. By using EGS4 code, the response of NaI survey meter concerning the shielding concrete block radius and thickness are calculated. It is found that the surface dose rate is saturated when the shielding concrete radius and thickness reach 40cm and 30cm respectively. Under the above-mentioned conditions, the surface dose rates at position north-8 and south-9 of SF cyclotron in University of Tokyo, are investigated, and compared with the experimental results obtained by NaI survey meter. It is shown that the calculation results are in good agreement with the experiments. In addition, the conversion factor of the surface dose rate to surface residual radioactivity is obtained to be 0.90(Bq.g(-1)).(mu Sv.h(-1))(-1) for Co-60 and 1.26(Bq.g(-1)).(4Sv.h(-1))(-1) for Eu-152. By using this conversion factor, we can easily evaluate the radioactivity induced in shielding concrete of accelerator facilities from the experimental results of NaI survey meter.
文章类型Article
关键词monte Carlo EGS4 simulation residual radioactivity response NaI survey meter
学科领域Physics
研究领域[WOS]Physics
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语种英语
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000250700300013
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238997
专题加速器中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Wang QB,Wang, QB,Kazuyoshi, M,et al. A measurement of the residual radioactivity with NaI survey meter and its MC simulation[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2007,31(11):1071-1075.
APA 王庆斌,Wang, QB,Kazuyoshi, M,Hideo, H,&Tokushi, S.(2007).A measurement of the residual radioactivity with NaI survey meter and its MC simulation.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,31(11),1071-1075.
MLA 王庆斌,et al."A measurement of the residual radioactivity with NaI survey meter and its MC simulation".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 31.11(2007):1071-1075.
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