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A method for aligning the plastic scintillator detector on DAMPE

文献类型：期刊论文

作者Yuan, Qiang1,4; Yu, Yu-Hong2; Wu, Jian1,4; Sun, Zhi-Yu2; Lei, Shi-Jun1,4; Fan, Yi-Zhong1,4; Dong, Tie-Kuang1,4; Li, Xiang4; Zang, Jing-Jing4; Li, Yao2
刊名RESEARCH IN ASTRONOMY AND ASTROPHYSICS
出版日期2019-06-01
卷号19期号:6页码:8
ISSN号1674-4527
关键词instrumentation: detectors methods: data analysis
DOI10.1088/1674-4527/19/6/82
通讯作者Zhang, Ya-Peng(y.p.zhang@impcas.ac.cn)
英文摘要The 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.
资助项目National Key Program for Research and Development[2016YFA0400200] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB23040000] ; National Natural Science Foundation of China[11773086] ; National Natural Science Foundation of China[U1738205] ; National Natural Science Foundation of China[U1738127] ; National Natural Science Foundation of China[11673021] ; National Natural Science Foundation of China[11673047] ; National Natural Science Foundation of China[11673075] ; National Natural Science Foundation of China[11643011] ; National Natural Science Foundation of China[11773085] ; National Natural Science Foundation of China[U1738207] ; National Natural Science Foundation of China[U1738138] ; National Natural Science Foundation of China[U1631111] ; National Natural Science Foundation of China[U1738129] ; National Natural Science Foundation of China[11703062]
WOS研究方向Astronomy & Astrophysics
语种英语
出版者NATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
WOS记录号WOS:000470875400007
资助机构National Key Program for Research and Development ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China
源URL[http://119.78.100.186/handle/113462/133133]  
专题中国科学院近代物理研究所
通讯作者Zhang, Ya-Peng
作者单位1.Univ Sci & Technol China, Sch Astron & Space Sci, Hefei 230026, Anhui, Peoples R China
2.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China
3.Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Gansu, Peoples R China
4.Chinese Acad Sci, Purple Mt Observ, Key Lab Dark Matter & Space Astron, Nanjing 210008, Jiangsu, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Yuan, Qiang,Yu, Yu-Hong,Wu, Jian,et al. A method for aligning the plastic scintillator detector on DAMPE[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2019,19(6):8.
APA Yuan, Qiang.,Yu, Yu-Hong.,Wu, Jian.,Sun, Zhi-Yu.,Lei, Shi-Jun.,...&Yue, Chuan.(2019).A method for aligning the plastic scintillator detector on DAMPE.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,19(6),8.
MLA Yuan, Qiang,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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来源：近代物理研究所

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