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Monte Carlo simulation of the exposure factor

Monte Carlo simulation of the exposure factor
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摘要 In this paper, we simulate the exposure factor by a simple model of a flee-air ionization chamber with the Monte Carlo programme Geant4. Special emphasis is placed on the discussion of the exposure factor related to parameters of the chamber model. The reason for the variation in exposure factor with incident ray energy is also analysed in terms of reaction cross section for different types of reactions. The obtained results indicate that our simulation is accurate in the calculation of the exposure factor and can serve as a reference in designing air ionization chambers. In this paper, we simulate the exposure factor by a simple model of a flee-air ionization chamber with the Monte Carlo programme Geant4. Special emphasis is placed on the discussion of the exposure factor related to parameters of the chamber model. The reason for the variation in exposure factor with incident ray energy is also analysed in terms of reaction cross section for different types of reactions. The obtained results indicate that our simulation is accurate in the calculation of the exposure factor and can serve as a reference in designing air ionization chambers.
作者 张涛 刘义保 杨波 吴和喜 顾金虎
机构地区 Key Laboratory of Nuclear Resources and Environment (East China Institute of Technology) School of Nuclear Engineering and Technology
出处 《Chinese Physics B》 SCIE EI CAS CSCD 2009年第6期2217-2222,共6页 中国物理B（英文版）
基金 Project supported by the National Natural Science Foundation of China (Grant No 10647109) the Foundation for Key Programof Ministry of Education,China (Grant No 208067)
关键词 exposure factor GEANT4 Monte Carlo simulation free-air ionization chamber exposure factor, Geant4, Monte Carlo simulation, free-air ionization chamber
分类号 TL84 [核科学技术—核技术及应用]
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参考文献12

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Chinese Physics B
2009年 第6期

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