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兰州大学机构库  > 核科学与技术学院  > 期刊论文
题名: Study on the novel neutron-to-proton convertor for improving the detection efficiency of a triple GEM based fast neutron detector
作者: Wang, XD; Yang, HR; Ren, ZG; Zhang, JW; Yang, L(杨磊); Zhang, CH; Ha, RBL; An, LX; Hu, BT(胡碧涛)
收录类别: SCIE ; CSCD
出版日期: 2015-02
刊名: CHINESE PHYSICS C
卷号: 39, 期号:2, 页码:45-49
期刊主办单位: 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
出版者: CHINESE PHYSICAL SOC
出版地: BEIJING
英文摘要: A high-efficiency fast neutron detector prototype based on a triple Gas Electron Multiplier (GEM) detector, which, coupled with a novel multi-layered high-density polyethylene (HDPE) as a neutron-to-proton converter for improving the neutron detection efficiency, is introduced and tested with the Am-Be neutron source in the Institute of Modern Physics (IMP) at Lanzhou in the present work. First, the developed triple GEM detector is tested by measuring its effective gain and energy resolution with Fe-55 X-ray source to ensure that it has a good performance. The effective gain and obtained energy resolution is 5.0 x 10(4) and around 19.2%, respectively. Secondly, the novel multi-layered HDPE converter is coupled with the cathode of the triple GEM detector making it a high-efficiency fast neutron detector. Its effective neutron response is four times higher than that of the traditional single-layered conversion technique when the converter layer number is 38.
关键词: Gas Electron Multiplier ; deposited energy ; Am-Be neutron source ; neutron detection efficiency ; fast neutron detector
作者部门: [Wang Xiao-Dong ; Yang Lei ; Zhang Chun-Hui ; Hu Bi-Tao] Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China ; [Yang He-Run ; Zhang Jun-Wei] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China ; [Ren Zhong-Guo] China Acad Engn Phys, Mianyang 621907, Peoples R China ; [Ha Ri-Ba-La] Inner Mongolia Ctr Dis Control & Prevent, Hohhot 010031, Peoples R China ; [An Lu-Xing] China Petr Logging CO LTD, LWD Logging Ctr, Xian 710000, Peoples R China
通讯作者: Wang, XD (reprint author), Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China.
学科分类: Physics
文章类型: Article
所属项目编号: National Natural Science Foundation of China [11135002, 11305232, 11175076]
所属项目名称: 国家自然科学基金项目
项目资助者: NSFC
语种: 英语
DOI: 10.1088/1674-1137/39/2/026001
ISSN号: 1674-1137
WOS记录号: WOS:000349740400007
CSCD记录号: CSCD:5347461
IR记录号: CSCD2722
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/117424
Appears in Collections:核科学与技术学院_期刊论文

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Recommended Citation:
Wang, XD,Yang, HR,Ren, ZG,et al. Study on the novel neutron-to-proton convertor for improving the detection efficiency of a triple GEM based fast neutron detector[J]. CHINESE PHYSICS C,2015,39(2):45-49.
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