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The 16th International Conference on Accelerator Mass Spectrometry

20–26 Oct 2024
Asia/Shanghai timezone

Contact

Calculation of cosmic ray shielding factor in different terrains

ACI-15
23 Oct 2024, 16:30
20m
GRAND BALLROOM (宴会厅), 2nd Floor

GRAND BALLROOM (宴会厅), 2nd Floor

GULIN BRAVO HOTEL (桂林宾馆)，14 Ronghu Road, Guilin, 541002, China
Oral Presentation Applications of Cosmogenic Isotopes Applications of Cosmogenic Isotopes

Speaker

Dingxiong Chen (College of Physics and Technology, Guangxi Normal University, Guilin, Guangxi 541004, China)

Description

The rate of production of cosmogenic nuclides is not only related to altitude and latitude, but also to topographic occlusion and the elemental composition of rock formations. Due to the occlusion of the terrain, it is necessary to establish a shielding factor calculation model in practical geoscience applications. In this paper, five geometric shapes of terrain are considered: slope, surface protruding hemisphere, spherical wall pit, spherical pit, cylindrical pit, and the numerical solution of each shielding factor is calculated by MATLAB program, and the corresponding terrain shielding factor calculation formula is fitted, which is convenient for geologists to apply them to the calculation of the concentration of nuclides in common terrain, and compared with the AMS measurement of nuclide concentrations in different terrains, the existing theory can be improved. It provides a practical calculation method for the calculation of the production rate and exposure age of cosmogenic nuclides in geophysics.

Student Submission Yes

Primary authors

Dingxiong Chen (College of Physics and Technology, Guangxi Normal University, Guilin, Guangxi 541004, China) Prof. Hongtao Shen (College of Physics and Technology, Guangxi Normal University, Guilin, Guangxi 541004, China) Linjie Qi (College of Physics and Technology, Guangxi Normal University, Guilin, Guangxi 541004, China) He Ouyang (College of Physics and Technology, Guangxi Normal University, Guilin, Guangxi 541004, China) Kaiyong Wu (College of Physics and Technology, Guangxi Normal University, Guilin, Guangxi 541004, China) Xinyi Han (College of Physics and Technology, Guangxi Normal University, Guilin, Guangxi 541004, China) lingrong Du (College of Physics and Technology, Guangxi Normal University, Guilin, Guangxi 541004, China) Wenqiao Liu (College of Physics and Technology, Guangxi Normal University, Guilin, Guangxi 541004, China) Xinya Huang (College of Physics and Technology, Guangxi Normal University, Guilin, Guangxi 541004, China) Weixin Chen (College of Physics and Technology, Guangxi Normal University, Guilin, Guangxi 541004, China)

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