期刊
ASTROPARTICLE PHYSICS
卷 94, 期 -, 页码 1-10出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.astropartphys.2017.06.004
关键词
Dark matter particle; DAMPE; Satellite-borne apparatus; Plastic scintillator; Large dynamic range
资金
- Strategic Priority Research Program on Space Science of the Chinese Academy of Science [XDA04040202- 3]
- Youth Innovation Promotion Association of the Chinese Academy of Science [2015342]
The DArk Matter Particle Explorer (DAMPE) is a general purpose satellite-borne high energy gamma-ray and cosmic ray detector. Among the scientific objectives of DAMPE are the search for the origin of cosmic rays and an understanding of the Dark Matter particles. As one of the four detectors in DAMPE, the Plastic Scintillator Detector (PSD) plays an important role in the particle charge measurement and the photons/electrons discrimination. It can identify the atomic number Z/charge states of relativistic ions from H to Fe and the detection efficiency for Z = 1 particles can reach 0.9999. The PSD has been working reliably since the successfully launching of DAMPE on December 17, 2015. In this paper, the design, assembly, qualification tests of the PSD and some of the performance measured on the ground are presented in detail. (C) 2017 Elsevier B.V. All rights reserved.
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