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A method for aligning the plastic scintillator detector on DAMPE
Ma, Peng-Xiong1,2; Zhang, Yong-Jie3,4,5; Zhang, Ya-Peng3; Li, Yao3; Zang, Jing-Jing1; Li, Xiang1; Dong, Tie-Kuang1,2; Fan, Yi-Zhong1,2; Lei, Shi-Jun1,2; Wu, Jian1,2; Yu, Yu-Hong3; Yuan, Qiang1,2; Yue, Chuan1,5; Sun, Zhi-Yu3
2019-06-01
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN1674-4527
Volume19Issue:6Pages:8
Corresponding AuthorZhang, Ya-Peng(y.p.zhang@impcas.ac.cn)
AbstractThe Plastic Scintillator Detector (PSD) onboard the DArk Matter Particle Explorer (DAMPE) is designed to measure cosmic ray charge (Z) and to act as a veto detector for gamma ray identification. To fully exploit the charge identification potential of PSD and to enhance its capability to identify gamma ray events, we develop an alignment method for the PSD. The path length of a given track in the volume of a PSD bar is derived taking into account the shift and rotation alignment corrections. By examining energy spectra of corner-passing events and fully contained events, position shifts and rotations of all PSD bars are obtained, and are found to be on average about 1 mm and 0.0015 radian respectively. To validate the alignment method, we introduce artificial shifts and rotations of PSD bars into the detector simulation. These shift and rotation parameters can be recovered successfully by the alignment procedure. As a result of the PSD alignment procedure, the charge resolution of the PSD is improved from 4% to 8%, depending on the nuclei.
Keywordinstrumentation: detectors methods: data analysis
DOI10.1088/1674-4527/19/6/82
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000470875400007
PublisherNATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/27503
Collection中国科学院紫金山天文台
Corresponding AuthorZhang, Ya-Peng
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Key Lab Dark Matter & Space Astron, Nanjing 210008, Jiangsu, Peoples R China
2.Univ Sci & Technol China, Sch Astron & Space Sci, Hefei 230026, Anhui, Peoples R China
3.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China
4.Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Gansu, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Ma, Peng-Xiong,Zhang, Yong-Jie,Zhang, Ya-Peng,et al. A method for aligning the plastic scintillator detector on DAMPE[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2019,19(6):8.
APA Ma, Peng-Xiong.,Zhang, Yong-Jie.,Zhang, Ya-Peng.,Li, Yao.,Zang, Jing-Jing.,...&Sun, Zhi-Yu.(2019).A method for aligning the plastic scintillator detector on DAMPE.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,19(6),8.
MLA Ma, Peng-Xiong,et al."A method for aligning the plastic scintillator detector on DAMPE".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 19.6(2019):8.
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