通过测量裂变碎片的γ射线研究中子测量技术  

Study on technique for measuring neutrons by measuring the γ rays from fission fragments

作　　者：刘荣[1] 林理彬[1] 王大伦[2] 励义俊[2] 蒋励[2] 王玫[2] 杨可[2] 

机构地区：[1]四川大学物理系辐射物理及技术开放实验室,成都610064 [2]中国工程物理研究院核物理与化学研究所,成都525信箱610003

出　　处：《核电子学与探测技术》2000年第3期164-167,216,共5页Nuclear Electronics & Detection Technology

基　　金：中国工程物理研究院科学基金资助项目! (批准号 :990 2 1 2 )

摘　　要：描述了通过测量裂变碎片的 γ射线来研究测量中子的方法。2 3 8U薄片的裂变碎片由聚脂膜俘获 ,其γ射线由 Na I(Tl)探测器测量。在不同系统上测量了中子 ,测量结果与用裂变室的测量结果一致。分析和讨论了实验结果。In this paper the method of measuring neutrons is studied by measuring the γ rays from fission fragments of a U 238 foil, which are captured or collected in polyester foils. γ rays from fission fragments in the polyester foils are measured with a NaI (Tl) detector. Neutrons are measured in different systems. The measuring results are consistent with that from a fission chamber. The experimental results are analyzed and discussed.

关 键 词：俘获法 裂变碎片 Γ射线 中子测量技术 探测器 

分 类 号：TL816.3[核科学技术—核技术及应用]