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近距离n, γ混合脉冲辐射场中γ辐射探测技术

胡孟春 叶文英 唐章奎 王振通 周殿忠 张建华 李忠宝

胡孟春, 叶文英, 唐章奎, 王振通, 周殿忠, 张建华, 李忠宝. 近距离n, γ混合脉冲辐射场中γ辐射探测技术[J]. 原子核物理评论, 2005, 22(1): 64-66. doi: 10.11804/NuclPhysRev.22.01.064
引用本文: 胡孟春, 叶文英, 唐章奎, 王振通, 周殿忠, 张建华, 李忠宝. 近距离n, γ混合脉冲辐射场中γ辐射探测技术[J]. 原子核物理评论, 2005, 22(1): 64-66. doi: 10.11804/NuclPhysRev.22.01.064
HU Meng-chun, YE Weng-ying, TANG Zhang-kui, WANG Zhen-tong, ZHOU Dian-zhong, ZHANG Jian-hua, LI Zhong-bao. Technique of γ Radiation Detection in Close Distance n, γ Commix Pulse Radiation Field[J]. Nuclear Physics Review, 2005, 22(1): 64-66. doi: 10.11804/NuclPhysRev.22.01.064
Citation: HU Meng-chun, YE Weng-ying, TANG Zhang-kui, WANG Zhen-tong, ZHOU Dian-zhong, ZHANG Jian-hua, LI Zhong-bao. Technique of γ Radiation Detection in Close Distance n, γ Commix Pulse Radiation Field[J]. Nuclear Physics Review, 2005, 22(1): 64-66. doi: 10.11804/NuclPhysRev.22.01.064

近距离n, γ混合脉冲辐射场中γ辐射探测技术

doi: 10.11804/NuclPhysRev.22.01.064

Technique of γ Radiation Detection in Close Distance n, γ Commix Pulse Radiation Field

  • 摘要: n, γ混合脉冲辐射场中, 在近距离、辐射强度低且中子辐射峰值比被测γ辐射峰值强度高的情况下, 传统γ辐射探测技术实施起来面临困难. 对PbWO4和CeF3等近年国内新研制的无机闪烁体进行了系列研究, 使用CeF3分别配光电倍增管和光电管,组合出了对γ辐射灵敏度高, 对中子相对不灵敏, 同时脉冲响应也快的光电探测系统, 应用以此为基础的探测技术在近距离n, γ混合脉冲辐射场中, 可将脉冲γ辐射探测信噪比提高一个量级以上.
    It is difficult to detect low intensity γ radiation by using traditional γ radiation detection technique in a close distance n, γ commix pulse radiation field with very high intensity neutron radiation. PbWO4 and CeF3 which are newly developed inorganic scintillator in our country have been studied. Photoelectricity detector systemes which have high γ sensitivity and relative insensitive to neutron and fast time response were assembled by using CeF3 and photomultiplier tube. The ratio of signaltonoise for γ ray detection can be up to more than 10 times in close distance n, γ commix pulse radiation field by using this detector system.
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出版历程
  • 收稿日期:  1900-01-01
  • 修回日期:  1900-01-01
  • 刊出日期:  2005-03-20

近距离n, γ混合脉冲辐射场中γ辐射探测技术

doi: 10.11804/NuclPhysRev.22.01.064

摘要:  n, γ混合脉冲辐射场中, 在近距离、辐射强度低且中子辐射峰值比被测γ辐射峰值强度高的情况下, 传统γ辐射探测技术实施起来面临困难. 对PbWO4和CeF3等近年国内新研制的无机闪烁体进行了系列研究, 使用CeF3分别配光电倍增管和光电管,组合出了对γ辐射灵敏度高, 对中子相对不灵敏, 同时脉冲响应也快的光电探测系统, 应用以此为基础的探测技术在近距离n, γ混合脉冲辐射场中, 可将脉冲γ辐射探测信噪比提高一个量级以上.
It is difficult to detect low intensity γ radiation by using traditional γ radiation detection technique in a close distance n, γ commix pulse radiation field with very high intensity neutron radiation. PbWO4 and CeF3 which are newly developed inorganic scintillator in our country have been studied. Photoelectricity detector systemes which have high γ sensitivity and relative insensitive to neutron and fast time response were assembled by using CeF3 and photomultiplier tube. The ratio of signaltonoise for γ ray detection can be up to more than 10 times in close distance n, γ commix pulse radiation field by using this detector system.

English Abstract

胡孟春, 叶文英, 唐章奎, 王振通, 周殿忠, 张建华, 李忠宝. 近距离n, γ混合脉冲辐射场中γ辐射探测技术[J]. 原子核物理评论, 2005, 22(1): 64-66. doi: 10.11804/NuclPhysRev.22.01.064
引用本文: 胡孟春, 叶文英, 唐章奎, 王振通, 周殿忠, 张建华, 李忠宝. 近距离n, γ混合脉冲辐射场中γ辐射探测技术[J]. 原子核物理评论, 2005, 22(1): 64-66. doi: 10.11804/NuclPhysRev.22.01.064
HU Meng-chun, YE Weng-ying, TANG Zhang-kui, WANG Zhen-tong, ZHOU Dian-zhong, ZHANG Jian-hua, LI Zhong-bao. Technique of γ Radiation Detection in Close Distance n, γ Commix Pulse Radiation Field[J]. Nuclear Physics Review, 2005, 22(1): 64-66. doi: 10.11804/NuclPhysRev.22.01.064
Citation: HU Meng-chun, YE Weng-ying, TANG Zhang-kui, WANG Zhen-tong, ZHOU Dian-zhong, ZHANG Jian-hua, LI Zhong-bao. Technique of γ Radiation Detection in Close Distance n, γ Commix Pulse Radiation Field[J]. Nuclear Physics Review, 2005, 22(1): 64-66. doi: 10.11804/NuclPhysRev.22.01.064

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