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电磁辐射生物效应研究中的一个基本问题——低能电子在水中的径迹结构

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Keywords: 低能电子,液态水,径迹结构,Monte,Carlo方法

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Abstract:

建立一个低能电子在水中散射径迹结构的模拟方法,该方法采用Emfietzoglou最新发展的基于介电响应理论的液态水截面来完成低能电子与水的非弹性相互作用计算,将平均散射截面概念与Mott截面结合来计算低能电子在水中的弹性散射,从而提高模拟效率。基于本文方法,模拟了不同能量低能电子在水中的能量沉积、非弹性散射事件空间分布和空间作用范围。这些计算结果与其他理论结果的比较表明,本文方法可严格有效地模拟低能电子在水中的径迹结构。

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