Monte Carlo simulation and parameterized treatment on the effect of nuclear elastic scattering in high-energy proton radiography
A version of Geant4 has been developed to treat high-energy proton radiography. This article presents the results of calculations simulating the effects of nuclear elastic scattering for various test step wedges. Comparisons with experimental data are also presented. The traditional expressions of t...
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| Published in | Chinese physics C Vol. 39; no. 7; pp. 97 - 101 |
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| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
01.07.2015
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-1137 0254-3052 |
| DOI | 10.1088/1674-1137/39/7/078201 |
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| Abstract | A version of Geant4 has been developed to treat high-energy proton radiography. This article presents the results of calculations simulating the effects of nuclear elastic scattering for various test step wedges. Comparisons with experimental data are also presented. The traditional expressions of the transmission should be correct if the angle distribution of the scattering is Gaussian multiple Coulomb scattering. The mean free path（which depends on the collimator angle） and the radiation length are treated as empirical parameters, according to transmission as a function of thickness obtained by simulations. The results can be used in density reconstruction, which depends on the transmission expressions. |
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| AbstractList | A version of Geant4 has been developed to treat high-energy proton radiography. This article presents the results of calculations simulating the effects of nuclear elastic scattering for various test step wedges. Comparisons with experimental data are also presented. The traditional expressions of the transmission should be correct if the angle distribution of the scattering is Gaussian multiple Coulomb scattering. The mean free path (which depends on the collimator angle) and the radiation length are treated as empirical parameters, according to transmission as a function of thickness obtained by simulations. The results can be used in density reconstruction, which depends on the transmission expressions. A version of Geant4 has been developed to treat high-energy proton radiography. This article presents the results of calculations simulating the effects of nuclear elastic scattering for various test step wedges. Comparisons with experimental data are also presented. The traditional expressions of the transmission should be correct if the angle distribution of the scattering is Gaussian multiple Coulomb scattering. The mean free path（which depends on the collimator angle） and the radiation length are treated as empirical parameters, according to transmission as a function of thickness obtained by simulations. The results can be used in density reconstruction, which depends on the transmission expressions. |
| Author | 许海波 郑娜 |
| AuthorAffiliation | Institute of Applied Physics and Computational Mathematics, Beijing 100094, China |
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| CitedBy_id | crossref_primary_10_7498_aps_67_20181039 |
| Cites_doi | 10.1103/PhysRevB.77.220101 10.1093/rpd/nci109 10.1063/1.3580262 10.1063/1.1302079 10.1016/S0168-9002(03)01368-8 10.1016/j.nimb.2004.12.116 10.2172/505369 10.1016/S0168-9002(98)01241-8 10.1093/rpd/nci034 |
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| DocumentTitleAlternate | Monte Carlo simulation and parameterized treatment on the effect of nuclear elastic scattering in high-energy proton radiography |
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| Notes | 11-5641/O4 A version of Geant4 has been developed to treat high-energy proton radiography. This article presents the results of calculations simulating the effects of nuclear elastic scattering for various test step wedges. Comparisons with experimental data are also presented. The traditional expressions of the transmission should be correct if the angle distribution of the scattering is Gaussian multiple Coulomb scattering. The mean free path（which depends on the collimator angle） and the radiation length are treated as empirical parameters, according to transmission as a function of thickness obtained by simulations. The results can be used in density reconstruction, which depends on the transmission expressions. proton radiography,multiple Coulomb scattering,angle collimator,nuclear elastic scattering,Geant4 XU Hai-Bo ZHENG Na （Institute of Applied Physics and Computational Mathematics, Beijing 100094, China） ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
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| References | 11 12 Hai-Bo Xu (7) 2006; 18 Zumbro J D (13) 2004 1 2 3 4 5 6 Tao Wei (8) 2013; 37 Mottershead C T (9) 10 |
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| SubjectTerms | Computer simulation Density Elastic scattering Gaussian Mean free path Radiography Scattering Wedges 参数化处理 弹性散射 散射效应 模拟传输 蒙特卡罗模拟 计算结果 质子照相 高能 |
| Title | Monte Carlo simulation and parameterized treatment on the effect of nuclear elastic scattering in high-energy proton radiography |
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