聚变脉冲中子源时间谱测量的非弹散射技术  

The inelastic scattering technic for measuring the time spectrum of fusion pulse neutron source

作　　者：杨洪琼[1] 潘文明[1] 杨瑞华[1] 彭忠传[1] 杨建伦[1] 唐正元[1] 马弛[1] 李亚伟[1] 

机构地区：[1]中国工程物理研究院核物理与化学研究所,四川绵阳621900

出　　处：《核电子学与探测技术》2005年第4期396-399,共4页Nuclear Electronics & Detection Technology

基　　金：中国工程物理研究院专项资助课题

摘　　要：介绍DT聚变反应产生的非单能的高能脉冲中子时间谱的一种测量技术——非弹散射法。利用安装在脉冲中子源附近的氧化铍(BeO)材料作为辐射转换体,测量DT聚变反应产生的高能脉冲中子与16O的非弹散射(n,n′γ)过程中产生的γ辐射时间谱,实现对DT反应脉冲中子时间谱的测量。<Abstrcat> A technic for measuring the time spectrum of high non-monoenergetic pulse neutrons induced by D-T fusion reaction was introduced—inelastic scattering convert technic. BeO was used as converter and set near the pulse neutrons source. The high energy pulse neutrons react with ()^(16)O by inelastic scattering (n,n′γ),and ( is emitted in the reaction. Through measuring the time spectrum of ( radiation emitted can obtain the time spectrum of D-T pulse neutrons.

关 键 词：DT聚变反应 中子时间谱 非弹散射法 

分 类 号：TL816[核科学技术—核技术及应用]