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Removing the dose background from radioactive sources from active dose rate measurements in the Lunar Lander Neutron & Dosimetry (LND) experiment on Chang'E 4
Alternative TitleWOS:000525449600032
Hou, D.; Zhang, S.; Yu, J.; Wimmer-Schweingruber, R. F.; Burmeister, S.; Lohf, H.; Yuan, B.; Shen, G.; Wang, C.; Hou, X.; Ren, B.
Source PublicationJOURNAL OF INSTRUMENTATION
2020
Volume15Issue:1Pages:P01032
DOI10.1088/1748-0221/15/01/P01032
ISSN1748-0221
Language英语
KeywordModels and simulations Radiation calculations Particle detectors Space instrumentation
AbstractThe Lunar Lander Neutron & Dosimetry (LND) experiment is part of the scientific payload of the Chinese Chang'E 4 spacecraft which landed on the Moon on January 3, 2019. The LND measures the radiation environment on the surface of the moon in preparation of future manned missions to the Moon. There are, however, also four radioactive sources on the lander, a radioisotope thermoelectric generator (RTG) and three radioisotope heater units (RHUs) which provide heat and power for the instruments on the Chang'E 4 lander. The radiation emitted by these radioactive sources leads to a non-negligible background which interferes with the measurements of LND. The aim of this paper is to describe the method that how to remove the background from these radioactive sources on the Chang'E 4 lander. We measured the effect of the RTG and RHUs on LND in a laboratory on Earth which is a very different environment from that on the Moon. We discuss how to take these major differences into account using a combination of scaling laws and Monte-Carlo simulations.
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7612
Collection中国科学院国家空间科学中心
Affiliation1.[Hou, D.
2.Zhang, S.
3.Wimmer-Schweingruber, R. F.
4.Yuan, B.
5.Shen, G.
6.Wang, C.] Chinese Acad Sci, Natl Space Sci Ctr, Beijing, Peoples R China
7.[Hou, D.
8.Zhang, S.
9.Wang, C.] Univ Chinese Acad Sci, Beijing, Peoples R China
10.[Hou, D.
11.Zhang, S.
12.Yuan, B.
13.Shen, G.] Beijing Key Lab Space Environm Explorat, Beijing, Peoples R China
14.[Yu, J.
15.Wimmer-Schweingruber, R. F.
16.Burmeister, S.
17.Lohf, H.] Univ Kiel, Kiel, Germany
18.[Hou, X.
19.Ren, B.] China Elect Technology Grp Corp, Res Inst 18, Tianjin, Peoples R China
Recommended Citation
GB/T 7714
Hou, D.,Zhang, S.,Yu, J.,et al. Removing the dose background from radioactive sources from active dose rate measurements in the Lunar Lander Neutron & Dosimetry (LND) experiment on Chang'E 4[J]. JOURNAL OF INSTRUMENTATION,2020,15(1):P01032.
APA Hou, D..,Zhang, S..,Yu, J..,Wimmer-Schweingruber, R. F..,Burmeister, S..,...&Ren, B..(2020).Removing the dose background from radioactive sources from active dose rate measurements in the Lunar Lander Neutron & Dosimetry (LND) experiment on Chang'E 4.JOURNAL OF INSTRUMENTATION,15(1),P01032.
MLA Hou, D.,et al."Removing the dose background from radioactive sources from active dose rate measurements in the Lunar Lander Neutron & Dosimetry (LND) experiment on Chang'E 4".JOURNAL OF INSTRUMENTATION 15.1(2020):P01032.
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