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The high energy cosmic-radiation detection (HERD) facility onboard China's Space Station
作者: Zhang, S.N.; Adriani, O.; Albergo, S.; Ambrosi, G.; An, Q.; Bao, T.W.; Battiston, R.; Bi, X.J.; Cao, Z.; Chai, J.Y.; Chang, J.; Chen, G.M.; Chen, Y.; Cui, X.H.; Dai, Z.G.; D'Alessandro, R.; Dong, Y.W.; Fan, Y.Z.; Feng, C.Q.; Feng, H(冯欢); Feng, Z.Y.; Gao, X.H.; Gargano, F.; Giglietto, N.; Gou, Q.B.; Guo, Y.Q.; Hu, B.L.; Hu, H.B.; He, H.H.; Huang, G.S.; Huang, J.; Huang, Y.F.; Li, H.; Li, L.; Li, Y.G.; Li, Z.; Liang, E.W.; Liu, H.; Liu, J.B.; Liu, J.T.; Liu, S.B.; Liu, S.M.; Liu, X.; Lu, J.G.; Mazziotta, M.N.; Mori, N.; Orsi, S.; Pearce, M.; Pohl, M.; Quan, Z.; Ryde, F.; Shi, H.L.; Spillantini, P.; Su, M.; Sun, J.C.; Sun, X.L.; Tang, Z.C.; Walter, R.; Wang, J.C.; Wang, J.M.; Wang, L(王乐); Wang, R.J.; Wang, X.L.; Wang, X.Y.; Wang, Z.G.; Wei, D.M.; Wu, B.B.; Wu, J.; Wu, X.; Wu, X.F.; Xia, J.Q.; Xiao, H.L.; Xu, H.H.; Xu, M.; Xu, Z.Z.; Yan, H.R.; Yin, P.F.; Yu, Y.W.; Yuan, Q.; Zha, M.; Zhang, L.; Zhang, L.; Zhang, L.Y.; Zhang, Y.; Zhang, Y.J.; Zhang, Y.L.; Zhao, Z.G.
出版日期: 2014
会议名称: Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray
会议日期: 2014-06-22
会议地点: Montreal, QC, Canada
中文摘要:

The High Energy cosmic-Radiation Detection (HERD) facility is one of several space astronomy payloads of the cosmic lighthouse program onboard China's Space Station, which is planned for operation starting around 2020 for about 10 years. The main scientific objectives of HERD are indirect dark matter search, precise cosmic ray spectrum and composition measurements up to the knee energy, and high energy gamma-ray monitoring and survey. HERD is composed of a 3-D cubic calorimeter (CALO) surrounded by microstrip silicon trackers (STKs) from five sides except the bottom. CALO is made of about 104 cubes of LYSO crystals, corresponding to about 55 radiation lengths and 3 nuclear interaction lengths, respectively. The top STK microstrips of seven X-Y layers are sandwiched with tungsten converters to make precise directional measurements of incoming electrons and gamma-rays. In the baseline design, each of the four side SKTs is made of only three layers microstrips. All STKs will also be used for measuring the charge and incoming directions of cosmic rays, as well as identifying back scattered tracks. With this design, HERD can achieve the following performance: energy resolution of 1% for electrons and gamma-rays beyond 100 GeV, 20% for protons from 100 GeV to 1 PeV; electron/proton separation power better than 10-5; effective geometrical factors of >3 m2sr for electron and diffuse gamma-rays, >2 m2sr for cosmic ray nuclei. R and D is under way for reading out the LYSO signals with optical fiber coupled to image intensified CCD and the prototype of one layer of CALO. © 2014 SPIE.

收录类别: EI
会议主办者: The Society of Photo-Optical Instrumentation Engineers (SPIE)
会议录出版者: SPIE
语种: 英语
作者部门: 光谱成像技术实验室
产权排序: 4
ISSN号: 0277786X
内容类型: 会议论文
URI标识: http://ir.opt.ac.cn/handle/181661/22615
Appears in Collections:光谱成像技术实验室_会议论文

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Recommended Citation:
Zhang, S.N.,Adriani, O.,Albergo, S.,et al. The high energy cosmic-radiation detection (HERD) facility onboard China's Space Station[C]. 见:Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray. Montreal, QC, Canada. 2014-06-22.
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