隐藏爆炸物的快中子活化检测  

FAST NEUTRON ACTIVATION MEASUKREMENT OF EXPLOSIVES CONCEALED

作　　者：丁锡祥[1] 李宇兵[1] 翟光年[1] 杨小芸[1] 伍永顺[1] 丁声耀[1] 

机构地区：[1]中国原子能科学研究院计量测试部

出　　处：《原子能科学技术》1994年第5期434-438,共5页Atomic Energy Science and Technology

摘　　要：用２种不同产额中子源，检测有无炸药时行李箱不同位置氮、氧元素的０．５１１、６．１３ＭｅＶγ能谱及其比值，确定检测灵敏度和检速，给出不同氮、氧含量的炸药与非炸药材料的平面分布，讨论检测方法的安全性及快中子活化分析（ＦＮＡＡ）系统的整体设计。Spectra of 0.511 MeV γ-ray of nitrogen and 6.13 MeV γ-ray of oxygen and their ratio aremeasured by using two neutron sourses of different yield for explosive or non-explosive materials.Sensitivity and detecting speed are determined.A planar distribution of the explosive or non-ex-plosive materials with different contents of nitrogen and oxygen is given. The whole design andsecurity of detection method of fast neutron activation analysis system is disscussed for explosive sconcealed.

关 键 词：爆炸物 快中子活化 核技术检测 

分 类 号：O571.523[理学—粒子物理与原子核物理]