Volume 41 Issue 3
May  2021
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Article Navigation >  Chinese Journal of Space Science  > 2021  >  41(3): 439-444
ZHANG Shenyi, HOU Donghui, WIMMER-SCHWEINGRUBER R F, SUN Yueqiang, WANG Chunqin, CHANG Zheng, XU Zigong, SHEN Guohong, YUAN Bin, XUE Changbin. Radiation Dose of LND on the Lunar Surface in Two Years[J]. Chinese Journal of Space Science, 2021, 41(3): 439-444. doi: 10.11728/cjss2021.03.439
Citation: ZHANG Shenyi, HOU Donghui, WIMMER-SCHWEINGRUBER R F, SUN Yueqiang, WANG Chunqin, CHANG Zheng, XU Zigong, SHEN Guohong, YUAN Bin, XUE Changbin. Radiation Dose of LND on the Lunar Surface in Two Years[J]. Chinese Journal of Space Science, 2021, 41(3): 439-444. doi: 10.11728/cjss2021.03.439
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Radiation Dose of LND on the Lunar Surface in Two Years

doi: 10.11728/cjss2021.03.439

  • 1. National Space Science Center, Chinese Academy of Sciences, Beijing 100190;

  • 2. Beijing Key Laboratory of Space Environment Exploration, Beijing 100190;

  • 3. Key Laboratory of Environmental Space Situation Awareness Technology, Beijing 100190;

  • 4. University of Chinese Academy of Sciences, Beijing 100049;

  • 5. Institute of Experimental and Applied Physics, Christian-Albrechts-University, Kiel 24118

  • Received Date: 2021-04-16
  • Rev Recd Date: 2021-05-03
  • Publish Date: 2021-05-15
    Abstract
  • The radiation dose on the lunar surface is an important parameter affecting the safety of astronauts and the residence time of the lunar surface. The measurement of the particle radiation on the lunar surface can provide an important basis for the radiation safety protection of astronauts. Based on the two-year observation data of lunar neutron and radiation dose detector on Chang'E-4 lander, the average total absorbed dose rate of lunar particle radiation in silicon is 12.66±0.45μGy·h-1, and the absorbed dose rate of neutral particle is 2.67±0.16μGy·h-1. The radiation dose rate decreases slowly with time, but the change of LET spectrum is very small. The decrease of radiation dose rate due to the decrease of fubusch of GCR at the end of solar activity in December 2020 was observed.

     

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