期刊文献+

闪烁光纤在快中子辐照下部分特性的蒙特卡罗模拟 被引量:2

Monte Carlo Simulation for Some Characteristics of Plastic Scintillating Fiber Irradiated by Fast Neutron
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摘要 采用蒙特卡罗方法对闪烁光纤在快中子辐照下的特性进行了研究。利用Geant4模拟计算得到了快中子照射下,闪烁光纤中的能量沉积效率与光纤长度、半径及入射中子能量的变化曲线,同时对量子效率随上述参数的变化关系进行了模拟分析。研究结果表明选择合适尺寸的闪烁光纤和入射中子能量对于快中子成像技术具有重要的意义,并为实际测量工作中的参数选择提供了的理论指导。 In the field of fast neutron radiography, the detectors composed of plastic scintillating fibers are now widely used. The article gives the relationships between the energy deposition efficiency, the fiber length, the fiber radius and the incident neutron energy simulated by Geant4 software packages. The quantum efficiency varied with some fiber's parameter is also analyzed and some simulation results are important and useful for the fiber's parameter selection in practice.
出处 《核电子学与探测技术》 CAS CSCD 北大核心 2012年第3期321-324,共4页 Nuclear Electronics & Detection Technology
基金 国家自然科学基金支持项目(60602065 11105143) 安徽省自然科学基金资助项目(11040606M148) 中国博士后科学基金资助项目
关键词 能量沉积 量子效率 塑料闪烁光纤 快中子 GEANT4 Energy Deposition, Quantum Efficiency, Plastic Scintillation Fiber, Fast Neutron, Geant4
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参考文献14

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二级参考文献14

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