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Discriminating cosmic muons and X-rays based on rise time using a GEM detector

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成果类型:
期刊论文
作者:
Wu, Hui-Yin;Zhao, Sheng-Ying;Wang, Xiao-Dong;Zhang, Xian-Ming;Qi, Hui-Rong;Zhang, Wei;Wu, Ke-Yan;Hu, Bi-Tao;Zhang, Yi*
通讯作者:
Zhang, Yi
作者机构:
[Wu, Hui-Yin; Zhao, Sheng-Ying; Zhang, Xian-Ming; Zhang, Wei; Wu, Ke-Yan; Hu, Bi-Tao; Zhang, Yi] School of Nuclear Science and Technology, Lanzhou University, Lanzhou, 730000
[Wang, Xiao-Dong] School of Nuclear Science and Technology, University of South China, Hengyang, 421001
[Qi, Hui-Rong] State Key Laboratory of Particle Detection and Electronics, State Key Laboratory of Particle Detection and Electronics, Beijing, 100049
通讯机构:
[Zhang, Yi] Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China.
语种:
英文
关键词:
X-ray;cosmic muon;discrimination;gas electron multiplier;rising time
期刊:
Chinese Physics C
期刊(中文):
中国物理C:英文版
ISSN:
1674-1137
年:
2015
卷:
40
期:
8
页码:
086001-01-086001-04
基金类别:
Supported by National Natural Science Foundation of China (11135002, 11275235, 11405077, 11575073)
机构署名:
本校为其他机构
院系归属:
核科学技术学院
摘要:
Gas electron multiplier (GEM) detectors have been used in cosmic muon scattering tomography and neutron imaging over the last decade. In this work, a triple GEM device with an effective readout area of 10 cm x 10 cm is developed, and a method of discriminating between cosmic muons and X-rays based on rise time is tested. The energy resolution of the GEM detector is tested by ~(55)Fe ray source to prove the GEM detector has a good performance. Analysis of the complete signal-cycles allows us to get the rise time and pulse heights. The experiment result indicates that cosmic muons and X-rays can be discriminated with an appropriate rise time threshold.

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