电子加速器屏蔽室空间散射的蒙特卡罗计算

来源 :高能物理与核物理 | 被引量 : 0次 | 上传用户：zhangfei0960

【摘要】

：

为解决电子直线加速器屏蔽室的空间散射计算相关问题,采用蒙特卡罗程序MCNP4B进行模拟,使用分步计算的方法,结合分裂和轮盘赌技巧,计算出9MeV驻波直线加速器运行时的空间散射

【作者】

：

孔巢城李泉凤杜泰斌程诚陈怀壁唐传祥朱立裴志刚

【机构】

：

清华大学工程物理系,清华大学辐射防护实验室

【出处】

：

高能物理与核物理

【发表日期】

：

2004年期

【关键词】

：

加速器屏蔽空间散射蒙特卡罗方法深穿透 MCNP4B

【基金项目】

：

国家自然科学基金;

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论文部分内容阅读

为解决电子直线加速器屏蔽室的空间散射计算相关问题,采用蒙特卡罗程序MCNP4B进行模拟,使用分步计算的方法,结合分裂和轮盘赌技巧,计算出9MeV驻波直线加速器运行时的空间散射剂量率大小. 并实际测量了加速器运行时屏蔽室周围距地面上方1m处的空间散射剂量分布. 将计算得到的结果、计算空间散射的经验公式结果和实际测量的结果三者进行了比较分析. 结果表明:蒙特卡罗方法计算值比较符合实际测量值,经验公式计算值则存在一定的偏差.

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电子加速器屏蔽室空间散射的蒙特卡罗计算

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