Energy loss correction on multiple Coulomb scattering of muons simulated by Geant4
Energy loss correction on multiple Coulomb scattering of muons simulated by Geant4
复制标题
Geant4模拟μ子多次库仑散射的能量损失校正
DOI:
10.1088/1402-4896/ac6f8c
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发表时间:
2022-05
期刊:
影响因子:
2.9
通讯作者:
Long Wei
中科院分区:
文献类型:
--
作者:
Chao Zhang;Xingzhong Cao;Chong Li;Jiajia Zhai;Peng Kuang;Shuoxue Jin;Baoyi Wang;Long Wei
The scattering angle distribution of muons passing through an object is crucial reference data for the application of the accelerator muon scattering imaging. In this study, the scattering angle distribution of muons in the accelerator energy region was simulated using the Monte Carlo toolkit Geant4 and calculated using the Molière’s theory. The results show that a significant deviation occurs when Molière’s theory is used to calculate the scattering angle distribution of muons in the accelerator energy region. We demonstrated that the deviation is due to the energy loss. Therefore, an energy loss correction was introduced on Molière’s theory, after which the calculated results are in good agreement with the Geant4 simulation. Furthermore, the relative error caused by using Moliere’s theory with different energy losses was calculated for muons of different energies, which can help clarify the importance of energy loss for accelerator muon scattering imaging.
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影响因子:
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DOI:
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DOI:
--
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DOI:
10.1109/nssmic.2015.7581957
发表时间:
2015-10
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2015 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC)
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10.1063/1.1664345
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2004-02
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