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Calibrating a physical model based on Geant4 to calculate cosmogenic nuclide production rates on lunar surface
Chen, Jian1,2; Dong, Tiekuang3; Ren, Zhongzhou1,2,4
2017-04-01
Source PublicationMETEORITICS & PLANETARY SCIENCE
ISSN1086-9379
Volume52Issue:4Pages:646-655
Abstract

A physical model based on the open-source toolkit Geant4 for production rates of cosmogenic nuclei on the lunar surface is proposed and calibrated. The fluxes of proton and neutron beneath the lunar surface are obtained by simulating the physical processes between the cosmic-ray particles and the lunar surface material. By combining the experimental proton cross sections and the a posteriori neutron cross sections, we calculate the production rate depth profiles of long-lived nuclei (Be-10, C-14, Al-26, Cl-36, and Mn-53). Through comparing experimental and theoretical data for these nuclei, we find that for all the selected nuclei, experimental and theoretical production rate depth profiles agree well with each other by introducing a single normalization factor. It means that the physical model based on Geant4 can also reproduce the depth profiles of cosmogenic nuclei, and that this model can be used by everyone worldwide. In addition, we predict the production rates of three stable nuclei (Ne-21, Ne-22, and Ar-38).

DOI10.1111/maps.12817
WOS KeywordRAY EXPOSURE AGES ; DEPTH PROFILE ; DRILL CORE ; APOLLO 15 ; METEORITES ; MOON ; SOLAR ; METEOROIDS ; SIMULATION ; PARTICLES
Indexed BySCI
Language英语
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000400591600005
PublisherWILEY
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/22836
Collection中国科学院紫金山天文台
Corresponding AuthorDong, Tiekuang; Ren, Zhongzhou
Affiliation1.Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China
2.Nanjing Univ, Key Lab Modern Acoust, Inst Acoust, Nanjing 210093, Jiangsu, Peoples R China
3.Chinese Acad Sci, Purple Mt Observ, Key Lab Dark Matter & Space Astron, Nanjing 210093, Jiangsu, Peoples R China
4.Ctr Theoret Nucl Phys, Natl Lab Heavy Ion Accelerator, Lanzhou 730000, Peoples R China
Recommended Citation
GB/T 7714
Chen, Jian,Dong, Tiekuang,Ren, Zhongzhou. Calibrating a physical model based on Geant4 to calculate cosmogenic nuclide production rates on lunar surface[J]. METEORITICS & PLANETARY SCIENCE,2017,52(4):646-655.
APA Chen, Jian,Dong, Tiekuang,&Ren, Zhongzhou.(2017).Calibrating a physical model based on Geant4 to calculate cosmogenic nuclide production rates on lunar surface.METEORITICS & PLANETARY SCIENCE,52(4),646-655.
MLA Chen, Jian,et al."Calibrating a physical model based on Geant4 to calculate cosmogenic nuclide production rates on lunar surface".METEORITICS & PLANETARY SCIENCE 52.4(2017):646-655.
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