The design and performance of charged particle detector onboard the GECAM mission

作     者：Y.B.Xu X.Q.Li X.L.Sun S.Yang H.Wang W.X.Peng X.H.Liang K.Gong Y.Q.Liu D.Y.Guo X.Y.Zhao C.Y.Li Z.H.An J.J.He X.J.Liu X.Y.Wen S.L.Xiong Fan Zhang D.L.Zhang C.Y.Zhang C.Cai Z.Chang G.Chen C.Chen Y.Y.Du M.Gao R.Gao D.J.Hou Y.G.Li G.Li L.Li X.F.Li M.S.Li F.J.Lu H.Lu B.Meng F.Shi J.Z.Wang Y.S.Wang H.Z.Wang X.Wen S.Xiao Y.P.Xu J.W.Yang Q.B.Yi S.N.Zhang C.M.Zhang F.Zhang Y.Zhao X.Zhou Y.B.Xu;X.Q.Li;X.L.Sun;S.Yang;H.Wang;W.X.Peng;X.H.Liang;K.Gong;Y.Q.Liu;D.Y.Guo;X.Y.Zhao;C.Y.Li;Z.H.An;J.J.He;X.J.Liu;X.Y.Wen;S.L.Xiong;Fan Zhang;D.L.Zhang;C.Y.Zhang;C.Cai;Z.Chang;G.Chen;C.Chen;Y.Y.Du;M.Gao;R.Gao;D.J.Hou;Y.G.Li;G.Li;L.Li;X.F.Li;M.S.Li;F.J.Lu;H.Lu;B.Meng;F.Shi;J.Z.Wang;Y.S.Wang;H.Z.Wang;X.Wen;S.Xiao;Y.P.Xu;J.W.Yang;Q.B.Yi;S.N.Zhang;C.M.Zhang;F.Zhang;Y.Zhao;X.Zhou

作者机构：Key Laboratory of Particle AstrophysicsInstitute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China 

出 版 物：《Radiation Detection Technology and Methods》 (辐射探测技术与方法（英文）)

年 卷 期：2022年第6卷第1期

页      面：53-62页

核心收录：

学科分类：08[工学] 082501[工学-飞行器设计] 0825[工学-航空宇航科学与技术] 

基　　金：This research was supported by the“Strategic Priority Research Program”of the Chinese Academy of Sciences Grant No.XDA 15360102 

主　　题：GECAM CPD SiPM 

摘      要：Background The Gravitational wave highly energetic Electromagnetic Counterpart All-sky Monitor(GECAM)is dedicated to detecting gravitational wave gamma-ray *** is capable of all-sky monitoring over and discovering gamma-ray bursts and new radiation *** consists of two microsatellites,each equipped with 8 charged particle detectors(CPDs)and 25 gamma-ray detectors(GRDs).Purpose The CPD is used to measure charged particles in the space environment,monitor energy and flow intensity changes,and identify between gamma-ray bursts and space charged particle events in conjunction with *** CPD uses plastic scintillator as the sensitive material for detection,silicon photomultiplier array as the optically readable device,and the inlaid Am-241 radioactive source as the onboard calibration *** In this paper,we will present the working principle,physical design,functional implementation and preliminary performance test results of the *** a result,the energy range of electron,gamma-ray detection efficiency and dead time are tested to be better than the indexes required through the ground calibration experiment.