伴随α粒子法瞬发γ测量技术
摘要
在D—T聚变反应中,中子与α粒子在空间与时间相关联,由中子作用产生的瞬发γ同样与α相关联,测量γ与α的符合时间谱,通过时间窗选出瞬发γ射线,该γ射线与中子对应的物质区域相联系,由此可以对不同空间区域的物质进行其特征γ谱测量。在不同有机物品检验过程中,通过获取C,N,O的特征瞬发γ射线,可由氮、氧比和碳、氧比峰强度比值来甄别它们。
出处
《中国工程物理研究院科技年报》
2008年第1期39-40,共2页
Annual Report of China Academy of Engineering Physics
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