Implantation profiles of muon and secondary positron simulated by Geant4
Implantation profiles of muon and secondary positron simulated by Geant4
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Geant4模拟的μ子和次级正电子的注入剖面
DOI:
10.1088/1402-4896/ac1dc8
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发表时间:
2021
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:
Chong Li;Xingzhong Cao;Peng Kuang;Fuyan Liu;Yukai Chen;Yang Li;Long Wei
The distribution of muon beams and secondary positrons can be vital reference data for the application of the accelerator muon transmission imaging technique. In this study, the distribution of muon beams and secondary positrons in biological tissue, semiconductors, and metals was simulated using Geant4. The muon beam showed an extremely concentrated decay area, which presented quite high depth resolution (FWHM ranging from 1.68 cm to 11.83 cm) and great penetrability (mean depth ranging from 18.03 cm to 198.97 cm) in media. Based on the simulation data, an empirical equation was designed for the quick calculation of muon beams with different energies in various materials. Additionally, the secondary positrons distribution of a 200 MeV muon beam centered on its decay position and covered an 8.50 cm radius area in Fe. The number of positrons was much higher than that of primary muons, especially in high-density materials. As a consequence of these two aspects, the combined signal processing of muons and secondary positrons provides the potential to improve muon imaging.
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DOI:
10.2172/1253948
发表时间:
2016-03
期刊:
--
影响因子:
--
作者:
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通讯作者:
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DOI:
10.1016/j.nima.2008.11.106
发表时间:
2009-02
影响因子:
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影响因子:
3.6
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唐靖宇;傅世年;敬罕涛;唐洪庆;韦杰;夏海鸿
DOI:
10.1063/1.5126529
发表时间:
2020-02
期刊:
The Review of scientific instruments
影响因子:
--
作者:
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通讯作者:
A. F. A. Simões-A.-F.-A.-Simões-2053970349;H. Alberto;R. Vilão;J. Gil;José M. V. Cunha;M. Curado;P. Salomé;T. Prokscha;Andreas Suter;Zaher Salman
DOI:
10.1016/s0168-583x(01)01166-1
发表时间:
2002-05-01
影响因子:
1.3
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通讯作者:
Pleines, M