247- MeV质子显微镜实验的Monte-Carlo Geant4数值模拟
Monte-Carlo Geant4 numerical simulation of experiments at 247-MeV proton microscope
摘要：
在核研究所（俄罗斯特罗伊茨克）的强流质子直线加速器的基础上，正在开发一种用于研究靶面密度高达5 g/cm $^2$的快速动态过程的射线照相装置。本文介绍了在Geant 4软件包中开发的质子显微镜虚拟模型。对能量为247 MeV的质子束静态射线照相实验进行了全尺度Monte-Carlo数值模拟。给出了用冲击压缩氙静态模型模拟质子照相实验的结果。文中还介绍了铜和有机玻璃台阶楔静态靶的可视化结果.
英文摘要：
A radiographic setup for an investigation of fast dynamic processes with areal density of targets up to 5 g/cm$^2$ is under development on the basis of high-current proton linear accelerator at the Institute for Nuclear Research (Troitsk, Russia). A virtual model of the proton microscope developed in a software toolkit Geant4 is presented in the article. Full-scale Monte-Carlo numerical simulation of static radiographic experiments at energy of a proton beam 247 MeV was performed. The results of simulation of proton radiography experiments with static model of shock-compressed xenon are presented. The results of visualization of copper and polymethyl methacrylate step wedges static targets also described.
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