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Radiation Measured for Chinese Satellite SJ-10 Space Mission
Dazhuang Zhou;  Yeqing Sun;  Binquan Zhang;  Shenyi Zhang;  Yueqiang Sun;  Jinbao Liang;  Guangwu Zhu;  Tao Jing;  Bin Yuan;  Huanxin Zhang;  Meng Zhang;  Wei Wang;  Lei Zhao; Dazhuang Zhou and Yeqing Sun
Department空间环境部
Source PublicationJournal of Geophysical Research: Space Physics
2018
Volume123Issue:2Pages:1690-1700
ISSN2169-9402
Language英语
KeywordCr-39 Nuclear Track Detectors Linear Energy Transfer Method Radiation Bio-stacks And Bio-effects Space Radiation Measurement
AbstractSpace biological effects are mainly a result of space radiation particles with high linear energy transfer (LET); therefore, accurate measurement of high LET space radiation is vital. The radiation in low Earth orbits is composed mainly of high-energy galactic cosmic rays (GCRs), solar energetic particles, particles of radiation belts, the South Atlantic Anomaly, and the albedo neutrons and protons scattered from the Earth's atmosphere. CR-39 plastic nuclear track detectors sensitive to high LET are the best passive detectors to measure space radiation. The LET method that employs CR-39 can measure all the radiation LET spectra and quantities. CR-39 detectors can also record the incident directions and coordinates of GCR heavy ions that pass through both CR-39 and biosamples, and the impact parameter, the distance between the particle's incident point and the seed's spore, can then be determined. The radiation characteristics and impact parameter of GCR heavy ions are especially beneficial for in-depth research regarding space radiation biological effects. The payload returnable satellite SJ-10 provided an excellent opportunity to investigate space radiation biological effects with CR-39 detectors. The space bio-effects experiment was successfully conducted on board the SJ-10 satellite. This paper introduces space radiation in low Earth orbits and the LET method in radiation-related research and presents the results of nuclear tracks and biosamples hitting distributions of GCR heavy ions, the radiation LET spectra, and the quantities measured for the SJ-10 space mission. The SJ-10 bio-experiment indicated that radiation may produce significant bio-effects.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/6233
Collection空间环境部
Corresponding AuthorDazhuang Zhou and Yeqing Sun
Recommended Citation
GB/T 7714
Dazhuang Zhou;Yeqing Sun;Binquan Zhang;Shenyi Zhang;Yueqiang Sun;Jinbao Liang;Guangwu Zhu;Tao Jing;Bin Yuan;Huanxin Zhang;Meng Zhang;Wei Wang;Lei Zhao,Dazhuang Zhou and Yeqing Sun. Radiation Measured for Chinese Satellite SJ-10 Space Mission[J]. Journal of Geophysical Research: Space Physics,2018,123(2):1690-1700.
APA Dazhuang Zhou;Yeqing Sun;Binquan Zhang;Shenyi Zhang;Yueqiang Sun;Jinbao Liang;Guangwu Zhu;Tao Jing;Bin Yuan;Huanxin Zhang;Meng Zhang;Wei Wang;Lei Zhao,&Dazhuang Zhou and Yeqing Sun.(2018).Radiation Measured for Chinese Satellite SJ-10 Space Mission.Journal of Geophysical Research: Space Physics,123(2),1690-1700.
MLA Dazhuang Zhou;Yeqing Sun;Binquan Zhang;Shenyi Zhang;Yueqiang Sun;Jinbao Liang;Guangwu Zhu;Tao Jing;Bin Yuan;Huanxin Zhang;Meng Zhang;Wei Wang;Lei Zhao,et al."Radiation Measured for Chinese Satellite SJ-10 Space Mission".Journal of Geophysical Research: Space Physics 123.2(2018):1690-1700.
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