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Effects due to a Pu-C source on a HPGe detector and the corresponding neutron shielding
  • ISSN号：1674-1137
  • 期刊名称：《中国物理C：英文版》
  • 时间：0
  • 分类：TL816.2[核科学技术—核技术及应用] TE15[石油与天然气工程—油气勘探]
  • 作者机构：[1]Institute of High Energy Physics, CAS, Beijing 100049, China, [2]Chengdu Science and Technology University, Chengdu 610059, China
  • 相关基金：Supported by National Natural Science Foundation of China （10491303, 10775412, 10825524）, Instrument Developing Project of Chinese Academy of Sciences （YZ200713）, Major State Basic Research Development Program （2009CB825200, 2009CB825203, 2009CB825206） and Knowledge Innovation Project of Chinese Academy of Sciences （KJCX2-YW-N29）.The author ZHANG Jian-Yong use of the Pu-C source, to Dr is indebted for the Ruan Xi-Chao in China Institute of Atomic Energy, and ZHANG Jian- Yong would also like to thank Miss Yang Ju-Hua in Institute of High Energy Physics, Chinese Academy of Science, who provided the the usage of the HPGe detector.
作者： 张建勇[1], 傅成栋[1], 莫晓虎[1], 张子良[1,2], 李道武[1], 王宝义[1]
关键词： HPGE探测器, 中子屏蔽, C源代码, PU, 能量分辨率, 伽马能谱测量, 测量系统, 电子束能量, Pu-C source, HPGe detector, neutron shielding
中文摘要：

A gamma spectrum of a Pu-C source is measured using a p-type HPGe detector, whose three peaks (full energy, single-escape and double-escape peak) can be used as a calibration source for the beam energy measurement system of BEPCII. The effect of fast neutron damage on the energy resolution of the HPGe detector is studied, which indicates that the energy resolution begins to deteriorate when the detector is subject to 2×107 n/cm2 fast neutrons. The neutron damage mechanism and detector repair methods are reviewed. The Monte Carlo simulation technique is utilized to study the shielding of the HPGe detector from the fast neutron radiation damage, which is of great significance for the future commissioning of the beam energy measurement system.

英文摘要：

A gamma spectrum of a Pu-C source is measured using a p-type HPGe detector, whose three peaks （full energy, single-escape and double-escape peak） can be used as a calibration source for the beam energy measurement system of BEPCII. The effect of fast neutron damage on the energy resolution of the HPGe detector is studied, which indicates that the energy resolution begins to deteriorate when the detector is subject to 2×107 n/cm^2 fast neutrons. The neutron damage mechanism and detector repair methods are reviewed. The Monte Carlo simulation technique is utilized to study the shielding of the HPGe detector from the fast neutron radiation damage, which is of great significance for the future commissioning of the beam energy measurement system.

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期刊信息
  • 《中国物理C：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国物理学会 中国科学院高能物理研究所 中国科学院近代物理研究所
  • 主编：王贻芳
  • 地址：北京市玉泉路19号（乙）
  • 邮编：100049
  • 邮箱：cpc@mail.ihep.ac.cn
  • 电话：010-88235947
  • 国际标准刊号：ISSN：1674-1137
  • 国内统一刊号：ISSN：11-5641/O4
  • 邮发代号:2-522
  • 获奖情况:
  • 2000年获中国科学院优秀期刊评比一等奖,中国期刊方阵“双百”期刊
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  • 被引量:189