Study of unfolded gamma spectra by using EJ309 liquid scintillator detector

Study of unfolded gamma spectra by using EJ309 liquid scintillator detector
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使用EJ309液体闪烁体探测器研究展开伽马能谱

DOI:
10.1016/j.nima.2021.165407
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发表时间:
2021-08
影响因子:
1.4
通讯作者:
Yao Zeen
Yao Zeen
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Zhang Shuangjiao;Liu Changqi;Yang Xu;Huang Chang;Xie Qin;Hu Zhijie;Hu Zhiming;Han Chao;Bai Xiaohou;Huo Dongying;Wu Kang;Wang Junrun;Zhang Yu;Wei Zheng;Yao Zeen

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使用EJ 309液体闪烁探测器和开发的γ能谱展开程序研究了复杂γ能谱。EJ 309液体闪烁体探测器是通过使用标准γ源133 Ba,137 Cs和60 Co的测量响应函数进行校准的,其通过蒙特卡罗模拟来验证探测器校准精度。基于One-foldGold算法,开发了一个γ能谱展开程序,用于展开模拟的复γ能谱、实验测量的133 Ba和137 Cs的响应函数,以及利用测量的不同相对强度(RI)的133 Ba和137 Cs的响应函数合成复γ能谱。将未折叠的γ能谱数据与标准数据进行了比较。结果表明,EJ 309液体闪烁体探测器和开发的γ能谱展开程序可以对复杂的γ能谱进行定量和定性分析,并具有一定的精度。
The EJ309 liquid scintillator detector and the developed gamma spectrum unfolding procedure are used to study the complex gamma spectra. The EJ309 liquid scintillator detector is calibrated by using measured response functions of the standard gamma sources 133Ba, 137Cs, and 60Co, which are verified by Monte Carlo simulations for detector calibration accuracy. A gamma spectra unfolding procedure is developed based on the One-fold Gold algorithm, which is used unfold simulated complex gamma spectra, experimentally measured response function of 133Ba and 137Cs, and composed complex gamma spectra using measured response function of 133Ba and 137Cs with different relative intensities (RI). The data of unfolded gamma-ray spectra are compared with the standard data. The result shown that the EJ309 liquid scintillator detector and the developed gamma spectra unfolding procedure can quantitative and qualitative analysis of complex gamma spectra with reasonable accuracy.
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发表时间: 2014-07
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