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Temperature effects on MIPs in the BGO calorimeters of DAMPE
Wang, Yuan-Peng1,2; Wen, Si-Cheng1,2; Jiang, Wei1,2; Yue, Chuan1,2; Zhang, Zhi-Yong3; Wei, Yi-Feng3; Zhang, YunLong3; Zang, Jing-Jing1; Wu, Jian1
刊名CHINESE PHYSICS C
2017-10-01
卷号41期号:10页码:8
关键词BGO MIP temperature effect
ISSN号1674-1137
DOI10.1088/1674-1137/41/10/106001
英文摘要

In this paper, we present a study of temperature effects on BGO calorimeters using proton MIPs collected in the first year of operation of DAMPE. By directly comparing MIP calibration constants used by the DAMPE data production pipe line, we find an experimental relation between the temperature and signal amplitudes of each BGO bar: a general deviation of -1.162%/degrees C, and -0.47%/degrees C to -1.60%/degrees C statistically for each detector element. During 2016, DAMPE's temperature changed by similar to 8 degrees C due to solar elevation angle, and the corresponding energy scale bias is about 9%. By frequent MIP calibration operation, this kind of bias is eliminated to an acceptable value.

WOS研究方向Physics
语种英语
出版者CHINESE PHYSICAL SOC
WOS记录号WOS:000412409900013
内容类型期刊论文
源URL[http://libir.pmo.ac.cn/handle/332002/22727]  
专题中国科学院紫金山天文台
通讯作者Zang, Jing-Jing
作者单位1.Purple Mt Observ, Key Lab Dark Matter & Space Astron, Nanjing 210008, Jiangsu, Peoples R China
2.Univ Chinese Acad Sci, Yuquan Rd 19, Beijing 100049, Peoples R China
3.Univ Sci & Technol China, State Key Lab Particle Detect & Elect, Hefei 230026, Anhui, Peoples R China
推荐引用方式
GB/T 7714
Wang, Yuan-Peng,Wen, Si-Cheng,Jiang, Wei,et al. Temperature effects on MIPs in the BGO calorimeters of DAMPE[J]. CHINESE PHYSICS C,2017,41(10):8.
APA Wang, Yuan-Peng.,Wen, Si-Cheng.,Jiang, Wei.,Yue, Chuan.,Zhang, Zhi-Yong.,...&Wu, Jian.(2017).Temperature effects on MIPs in the BGO calorimeters of DAMPE.CHINESE PHYSICS C,41(10),8.
MLA Wang, Yuan-Peng,et al."Temperature effects on MIPs in the BGO calorimeters of DAMPE".CHINESE PHYSICS C 41.10(2017):8.
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