DAMPE 塑料闪烁体探测器的标定及其在轨性能
天体物理仪器与方法
2019-04-03 v1
摘要
暗物质粒子探测卫星(DAMPE)是一台用于探测高能宇宙线(如电子、射线、质子和重离子)的星载装置。塑料闪烁体探测器(PSD)是 DAMPE 最顶层的子探测器。PSD 设计用于测量入射高能粒子的电荷,并作为甄别 射线与带电粒子的否决探测器。本文描述了 PSD 的在轨标定流程,包括本底、打拿极相关性、对最小电离粒子(MIPs)的响应、光衰减函数和能量重建五个步骤。介绍了一种重建入射高能宇宙线粒子电荷的方法。验证了各 PSD 条的探测效率高于 99.5%,PSD 对带电粒子的总效率高于 99.99%。
引用
@article{arxiv.1810.09901,
title = {Calibration of the DAMPE Plastic Scintillator Detector and its on-orbit performance},
author = {Meng Ding and Yapeng Zhang and Yong-Jie Zhang and Yuan-Peng Wang and Tie-Kuang Dong and Antonio De Benedittis and Paolo Bernardini and Fang Fang and Yao Li and Jie Liu and Peng-Xiong Ma and Zhi-Yu Sun and Valentina Gallo and Stefania Vitillo and Zhao-Min Wang and Yu-Hong Yu and Chuan Yue and Qiang Yuan and Yong Zhou and Yun-Long Zhang},
journal= {arXiv preprint arXiv:1810.09901},
year = {2019}
}
备注
11 pages, 16 figures, Submitted to Research in Astronomy and Astrophysics (RAA)