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

被引：0

作者：

YaoDe Sheng ^{[1
]}

LuYang Song ^{[1
]}

Jun Su ^{[1
]}

ShiLun Jin ^{[2
]}

Fei Lu ^{[3
]}

YangPing Shen ^{[4
]}

JunFeng Chen ^{[5
]}

LiYong Zhang ^{[1
]}

JianJun He ^{[1
,6
]}

XinYue Li ^{[1
,6
]}

HongNa Liu ^{[1
]}

FengShou Zhang ^{[1
]}

MengLin Qiu ^{[1
]}

Shen Lin ^{[1
]}

Hao Zhang ^{[1
]}

LuoHuan Wang ^{[1
,7
]}

ZiMing Li ^{[1
]}

YinJi Chen ^{[1
]}

XinZhi Jiang ^{[1
]}

Xin Chen ^{[1
]}

ZhiLin Shen ^{[1
]}

FengCheng Liu ^{[1
]}

ZhiWei Qin ^{[1
]}

Lin Wang ^{[1
]}

YiTong Huang ^{[1
]}

Xiang Li ^{[5
]}

SiZe Chen ^{[8
]}

YouBao Wang ^{[4
]}

ZhiHong Li ^{[4
]}

Bing Guo ^{[4
]}

WeiPing Liu ^{[4
,9
]}

机构：

[1] Key Laboratory of Beam Technology of Ministry of Education, School of Physics and Astronomy, Beijing Normal University

[2] Institute of Modern Physics, Chinese Academy of Sciences

[3] Shanghai Advanced Research Institute, Chinese Academy of Sciences

[4] China Institute of Atomic Energy

[5] Shanghai Institute of Ceramics, Chinese Academy of Sciences

[6] Key Laboratory of Nuclear Physics and Ion-Beam Application (MoE), Institute of Modern Physics, Fudan University

[7] School of Mathematics and Physics, Handan University

[8] Institute of Nuclear Energy Safety Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences

[9] Department of Physics, Southern University of Science and Technology

来源：

Nuclear Science and Techniques | 2024年 / 35卷 / 11期

关键词：

D O I：

暂无

中图分类号：

TL329 [反应堆理论计算];

学科分类号：

082701 ;

摘要：

Total absorption gamma-ray spectroscopy（TAGS） is a powerful tool for measuring complex γ 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 β-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 × 60 mm × 120 mm BGO crystals and exhibits a high full-energy peak efficiency exceeding 80% at 0.5～8 MeV based on a Monte Carlo simulation. Currently, approximately half of the LAMBDA modules have been manufactured. Tests using γ-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 β-delayed γ-decay experiments was evaluated by commissioning measurements using the 152 Eu source.

引用

页码：230 / 238

页数：9

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