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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Monte Carlo simulation of electron passage through matter using the effective differential cross section for elastic scattering of electrons by atoms and the continuous slowing-down approximation
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Monte Carlo simulation of electron passage through matter using the effective differential cross section for elastic scattering of electrons by atoms and the continuous slowing-down approximation

机译：使用有效微分截面对电子通过原子进行弹性散射和连续减速近似的蒙特卡罗模拟电子通过物质的过程

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摘要

A Monte Carlo (MC) strategy that combines the effective differential cross section for elastic scattering of electrons and the continuous slowing-down approximation for the description of inelastic energy loss is proposed. Depth-dose distributions, backscattering and transmission coefficients are simulated using this MC strategy for electrons with primary energies 10 keV ≤E≤ 1 MeV passing through the Al target. The results of these simulations are in good agreement both with the results obtained from the detailed MC simulation and with experiment. The proposed MC strategy significantly decreases the total number of collisions experienced by electrons in matter and hence significantly decreases the computational cost in the MC simulation.
机译：提出了一种结合了有效的电子弹性散射的有效横截面和连续减速近似的蒙特卡洛（MC）策略，用于描述非弹性能量损失。对于通过铝靶的一次能量为10 keV≤E≤1 MeV的电子，使用此MC策略模拟了深度剂量分布，反向散射和传输系数。这些模拟的结果与详细的MC模拟获得的结果以及实验结果都非常吻合。所提出的MC策略显着减少了物质中电子经历的碰撞总数，因此显着降低了MC模拟中的计算成本。

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