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The large-scale modular BGO detection array (LAMBDA) design and test

delete2024-10-23
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PRE
AI
Y
Y. D. Sheng
L
Luyang Song
J
Jun Su *
S
S. Jin *
F
Fei Lu *
Y
Y. P. Shen
J
Jun-Feng Chen
L
Liyong Zhang
J
J. J. He
李小雁 (X. Y. Li)
刘红娜 (Hongna Liu)
张丰收 cover
张丰收 (Feng-Shou Zhang)
M
Menglin Qiu
L
Lin Shen
H
Hao Zhang
L
Luo-Huan Wang
Z
Ziming Li
Y
Yin-Ji Chen
X
Xinzhi Jiang
陈鑫 (Xin Chen)
Z
Zhi-Lin Shen
F
Feng-Cheng Liu
秦志伟 cover
秦志伟 (Zhiwei Qin)
L
Lin Wang
Y
Yi-Tong Huang
X
Xiang Li
S
Size Chen
Y
Youbao Wang
Z
Zhihong Li
B
Bing Guo
W
Weiping Liu
DOI:10.1007/s41365-024-01574-3delete
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Abstract

Abstract

En 中文
Total absorption gamma-ray spectroscopy (TAGS) is a powerful tool for measuring complex gamma\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\gamma$$\end{document} transitions, which has been effectively applied to the study of reactor decay heat. This paper presents the design of a new TAGS detector, the large-scale modular BGO detection array (LAMBDA), tailored for measuring beta\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\beta$$\end{document}-decay intensity distributions of fission products. The modular design allows the LAMBDA detectors to be assembled in various configurations. The final version of LAMBDA consists of 102 identical 60 mm x\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\times$$\end{document} 60 mm x\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\times$$\end{document} 120 mm BGO crystals and exhibits a high full-energy peak efficiency exceeding 80% at 0.5 similar to\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\sim$$\end{document}8 MeV based on a Monte Carlo simulation. Currently, approximately half of the LAMBDA modules have been manufactured. Tests using gamma\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\gamma$$\end{document}-ray sources and nuclear reactions demonstrated favorable energy resolution, energy linearity, and efficiency uniformity across the modules. Forty-eight modules have been integrated into the prototype LAMBDA-I. The capability of LAMBDA-I in beta\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\beta$$\end{document}-delayed gamma\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\gamma$$\end{document}-decay experiments was evaluated by commissioning measurements using the 152\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$<^>{152}$$\end{document}Eu source.
Keywords:
Total absorption gamma-ray spectroscopy
Reactor decay heat
Beta-decay
BGO detector array
LAMBDA

Journal

Nuclear Science and Techniques cover
Nuclear Science and Techniques
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Beijing Normal University
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shanghai advanced research institute, cas
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shanghai institute of ceramics, cas
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chinese academy of sciences
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