| 238U裂变电离室测量25.5MeV中子注量率 |
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| 引用本文： | 刘毅娜,陈军,李春娟,王志强,骆海龙,阮锡超.238U裂变电离室测量25.5MeV中子注量率[J].原子能科学技术,2009,43(2):124-127. |
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| 作者姓名： | 刘毅娜 陈军 李春娟 王志强 骆海龙 阮锡超 |
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| 作者单位： | 中国原子能科学研究院 ;放射性计量测试部，北京 ;102413 |
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| 摘 要： | 在飞行时间谱仪测量中子能谱的基础上，利用238U裂变电离室测量了中国原子能科学研究院HI-13串列加速器产生的25.5MeV中子注量率。为验证该裂变电离室测量快中子注量率的可靠性，在中国原子能科学研究院5SDH-2串列加速器上，利用该电离室和伴随α粒子装置同时测量14.8MeV中子注量率，结果在不确定度范围内一致。
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| 关 键 词： | 238U裂变电离室" target="_blank">238U裂变电离室')">238U裂变电离室 中子注量率 中子飞行时间谱仪 中子能谱 伴随α粒子装置 |
| 修稿时间： | 2008-05-14 |
Measurement of 25.5 MeV Neutron Fluence Rate With 238U Fission Chamber |
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| LIU Yi-na,CHEN Jun,LI Chun-juan,WANG Zhi-qiang,LUO Hai-long,RUAN Xi-chao.Measurement of 25.5 MeV Neutron Fluence Rate With 238U Fission Chamber[J].Atomic Energy Science and Technology,2009,43(2):124-127. |
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| Authors: | LIU Yi-na CHEN Jun LI Chun-juan WANG Zhi-qiang LUO Hai-long RUAN Xi-chao |
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| Affiliation: | China Institute of Atomic Energy, P.O.Box 275-20, Beijing 102413, China |
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| Abstract: | Based on the neutron energy spectrum measured with a time-of-flight neutron spectrometer, the 25.5 MeV neutron fluence rate was measured with 238U fission chamber at the HI-13 tandem accelerator in CIAE (China Institute of Atomic Energy). To verify the reliability of the fission chamber for measuring fast neutron fluence rate, the 14.8 MeV neutron fluence rate was measured simultaneously with the fission chamber and the association α particle instrument at the 5SDH-2 tandem accelerator in CIAE, of which results are coincident within the uncertainties. |
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| Keywords: | 238U fission chamber neutron fluence rate time-of-flight neutron spectrometer neutron energy spectrum association α particle instrument |
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