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质子加速器治疗系统感生放射性辐射场分布 被引量:3

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摘要 目的通过测量描述质子加速器治疗系统感生放射性辐射场分布及其变化,提醒放射工作人员注意对感生放射性的防护。方法使用451P型X、γ电离室巡测仪对质子加速器治疗系统感生放射性辐射场进行测量。结果描述了该系统不同出束能量后感生放射性剂量分布,通过连续测量分析感生放射性剂量随时间推移的变化。结论治疗机头部位感生放射水平较高,患者档铅模型对感生剂量场分布影响较大。
出处 《中国辐射卫生》 2013年第3期305-307,共3页 Chinese Journal of Radiological Health
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参考文献5

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