M-C simulation of <sup>252</sup>Cf spontaneous fission n/γ TOF and TCC spectra

LIANG Qinglei LI Jinghuai LIU Guorong LI Anli

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M-C simulation of ²⁵²Cf spontaneous fission n/γ TOF and TCC spectra

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- M-C simulation of ²⁵²Cf spontaneous fission n/γ TOF and TCC spectra
- NUCLEAR TECHNIQUES Vol. 35, Issue 5, (2012)
- 作者机构：
  
  中国原子能科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL816
- Published：01 May 2012
- 稿件说明：
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[1]梁庆雷,李井怀,刘国荣,李安利.~(252)Cf自发裂变n/γ TOF和TCC谱的MC模拟[J].核技术,2012,35(05):375-379.

LIANG Qinglei LI Jinghuai LIU Guorong LI Anli. M-C simulation of ²⁵²Cf spontaneous fission n/γ TOF and TCC spectra[J]. Nuclear techniques, 2012, 35(5): 375-379.
[1]梁庆雷,李井怀,刘国荣,李安利.~(252)Cf自发裂变n/γ TOF和TCC谱的MC模拟[J].核技术,2012,35(05):375-379. DOI：

LIANG Qinglei LI Jinghuai LIU Guorong LI Anli. M-C simulation of ²⁵²Cf spontaneous fission n/γ TOF and TCC spectra[J]. Nuclear techniques, 2012, 35(5): 375-379. DOI：

摘要

时间关联符合法是主动法测量裂变材料特征信息的有效方法之一。首先使用MCNP程序模拟了单个BC-501A液体闪烁体探测器探测252Cf自发裂变n/γ飞行时间谱

模拟谱与实测谱符合很好;在此基础上

模拟了两个BC-501A探测器探测252Cf自发裂变n/γ时间关联符合谱。结果表明

n/γ时间关联符合谱包含了n-n、γ-γ、n-γ和γ-n符合成分。

Abstract

Time correlation coincidence(TCC) is an effective method to measure characteristics of fission materials.In this paper

MCNP code is used to simulate n/γ time-of-flight spectra(TOF) of a 252Cf spontaneous fission source detected by a BC-501A liquid scintillator.The results are in good agreement with the measured spectra.Therefore

n/γ TCC spectra of the 252Cf source are simulated.The results indicate that the n/γ TCC spectra are composed of the n-n

γ-γ

n-γ and γ-n coincidence.

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M-C simulation of 252Cf spontaneous fission n/γ TOF and TCC spectra

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摘要

Abstract

关键词

Keywords

references

M-C simulation of ²⁵²Cf spontaneous fission n/γ TOF and TCC spectra