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Dead cell and side leakage correction for a lead-scintillating fiber electromagnetic calorimeter
Zhang C(张诚); Li ZH(李祖豪); Tang ZC(唐志成); du Pree, SB; Zhang SW(张劭文); Wang XQ(王薛强); Yang M(杨民); Chen GM(陈国明); Chen HS(陈和生); Zhang, C; Li, ZH; Tang, ZC; du Pree, SB; Zhang, SW; Wang, XQ; Yang, M; Chen, GM; Chen, HS
2016
发表期刊CHINESE PHYSICS C
卷号40期号:9
通讯作者李祖豪
文章类型Article
摘要The electromagnetic calorimeter (ECAL) of the Alpha Magnetic Spectrometer (AMS-02) is one of the key detectors for dark matter searches. It measures the energies of electrons, positrons and photons and seperates them from hadrons. Currently, there are 5 dead cells in the ECAL, which affect the reconstructed energy of 4.2% of total events in the ECAL acceptance. When an electromagnetic shower axis is close to the ECAL border, due to the side leakage, the reconstructed energy is affected as well. In this paper, methods for dead cells and side leakage corrections for the ECAL energy reconstruction are presented. For events with the shower axis crossing dead cells, applying dead cell correction improves the difference in the reconstructed energy from 12% to 1%, while for events near the ECAL border, with side leakage correction it is improved from 4% to 1%.
关键词AMS-02 ECAL dead cell correction side leakage correction
DOI10.1088/1674-1137/40/9/096204
关键词[WOS]INTERNATIONAL-SPACE-STATION ; ALPHA MAGNETIC SPECTROMETER ; AMS RICH DETECTOR ; TIME-OF-FLIGHT ; FAST TRIGGER ; PROTOTYPE ; TRD
语种英语
WOS记录号WOS:000383367200021
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260837
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Zhang C,Li ZH,Tang ZC,et al. Dead cell and side leakage correction for a lead-scintillating fiber electromagnetic calorimeter[J]. CHINESE PHYSICS C,2016,40(9).
APA 张诚.,李祖豪.,唐志成.,du Pree, SB.,张劭文.,...&Chen, HS.(2016).Dead cell and side leakage correction for a lead-scintillating fiber electromagnetic calorimeter.CHINESE PHYSICS C,40(9).
MLA 张诚,et al."Dead cell and side leakage correction for a lead-scintillating fiber electromagnetic calorimeter".CHINESE PHYSICS C 40.9(2016).
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