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  • 标题:CANADIAN HIGH-ENERGY NEUTRON SPECTROMETRY SYSTEM (CHENSS)
  • 本地全文:下载
  • 作者:M.B. Smith ; H.R. Andrews ; E.T.H. Clifford
  • 期刊名称:PoS - Proceedings of Science
  • 印刷版ISSN:1824-8039
  • 出版年度:2006
  • 出版社:SISSA, Scuola Internazionale Superiore di Studi Avanzati
  • 摘要:The Canadian high-energy neutron spectrometry system (CHENSS) has been constructed in order to accurately characterize the fluence and energy distribution of high-energy neutrons encountered on space missions in low-Earth orbit. The CHENSS is a proton-recoil spectrometer based on a cylindrical gelled scintillator, with pulse-shape discrimination properties comparable to those of a liquid scintillator, completely surrounded by thin plastic panels which can be used to veto coincident events due to charged particles. The CHENSS has been irradiated by monoenergetic neutron beams, with energies up to 19 MeV, at the Physikalisch-Technische Bundesanstalt. Comparison of the data with fluence determinations performed in parallel to the CHENSS measurements shows good consistency and demonstrates the efficacy of the spectrometer for measurements in space.
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