PMO OpenIR
amethodforaligningtheplasticscintillatordetectorondampe
PengXiong Ma1; YongJie Zhang3; YaPeng Zhang3; Yao Li3; JingJing Zang1; Xiang Li1; TieKuang Dong1; YiZhong Fan1; ShiJun Lei1; Jian Wu1; YuHong Yu3; Qiang Yuan1; Chuan Yue1; ZhiYu Sun3
2019
Source Publication天文和天体物理学研究英文版
ISSN1674-4527
Volume019Issue:006Pages:63
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.
Language英语
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/29636
Collection中国科学院紫金山天文台
Affiliation1.中国科学院紫金山天文台
2.中国科学技术大学
3.中国科学院近代物理研究所
4.兰州大学
5.中国科学院大学
First Author Affilication中国科学院紫金山天文台
Recommended Citation
GB/T 7714
PengXiong Ma,YongJie Zhang,YaPeng Zhang,et al. amethodforaligningtheplasticscintillatordetectorondampe[J]. 天文和天体物理学研究英文版,2019,019(006):63.
APA PengXiong Ma.,YongJie Zhang.,YaPeng Zhang.,Yao Li.,JingJing Zang.,...&ZhiYu Sun.(2019).amethodforaligningtheplasticscintillatordetectorondampe.天文和天体物理学研究英文版,019(006),63.
MLA PengXiong Ma,et al."amethodforaligningtheplasticscintillatordetectorondampe".天文和天体物理学研究英文版 019.006(2019):63.
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