| Be(d,n)反应中子源能谱测量及应用 |
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| 引用本文： | 张建福,阮锡超,侯龙,李霞,张国光,鲍杰,黄翰雄,聂阳波.Be(d,n)反应中子源能谱测量及应用[J].强激光与粒子束,2011,23(1). |
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| 作者姓名： | 张建福 阮锡超 侯龙 李霞 张国光 鲍杰 黄翰雄 聂阳波 |
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| 作者单位： | 1. 西北核技术研究所, 西安 710024; 2. 中国原子能科学研究院, 北京 102413 |
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| 摘 要： | 利用中子飞行时间技术和BC501A液体闪烁探测器的粒子分辨特性，测量了0°方向、20 MeV氘束轰击厚金属铍靶反应产生的中子源能谱，测量的中子能谱范围为0.7～25.0 MeV。在60°方向放置芪晶体闪烁探测器，由刻度好的BC501A液体闪烁探测器归一校正后，用于中子源强度监测。利用Be(d, n) 反应中子源，采用单粒子灵敏度标定方法，实验标定了0.75~15.75 MeV能量范围内的薄膜闪烁探测器中子能量响应曲线，实验结果与蒙特卡罗模拟计算结果在8%的不确定度范围内一致。
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| 关 键 词： | 飞行时间 闪烁探测器 Be(d n)反应 中子能谱 灵敏度 |
| 收稿时间： | 1900-01-01; |
Measurement and application of Be(d,n)reaction neutron source |
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| Zhang Jianfu,Ruan Xichao,Hou Long,Li Xia,Zhang Guoguang,Bao Jie,Huang Hanxiong,Nie Yangbo.Measurement and application of Be(d,n)reaction neutron source[J].High Power Laser and Particle Beams,2011,23(1). |
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| Authors: | Zhang Jianfu Ruan Xichao Hou Long Li Xia Zhang Guoguang Bao Jie Huang Hanxiong Nie Yangbo |
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| Institution: | 1. Northwest Institute of Nuclear Technology, P. O. Box 69-9, Xi’an 710024, China;2. China Institute of Atomic Energy, P. O. Box 275-46, Beijing 102413, China |
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| Abstract: | The neutron energy spectra of Be(d, n) reaction source for deuteron energy of 20 MeV at an angle of 0° was measured using time-of-flight techniques and the n-γ discrimination properties of a BC501A liquid scintillation detector. The energy range of the whole neutron spectra measured in the experiment was 0.7 MeV to 25.0 MeV. The fluence of neutron beam was determined by a stilbene scintillation detector which was normalized to the well-calibrated BC501A liquid scintillation detector. Based on the Be (d, n) reaction neutron source, the neutron response of a thin plastic scintillation detector in the energy range of 0.75 MeV to 15.75 MeV was measured by single particle method. The results obtained from the experiment agree with Monte Carlo simulations considering the relative uncertainty o |
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| Keywords: | scintillation detector Be(d n reaction neutron energy spectra sensitivity |
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