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
Source PublicationCHINESE PHYSICS C

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.

KeywordBGO MIP temperature effect
Indexed BySCI
WOS Research AreaPhysics
WOS SubjectPhysics, Nuclear ; Physics, Particles & Fields
WOS IDWOS:000412409900013
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorZang, Jing-Jing
Affiliation1.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
Recommended Citation
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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