Ground-based calibration and characterization of LaBr3-SiPM-based gamma-ray detector on GECAM satellite: 8–160 keV
Author:
He Jian-Jian1ORCID, An Zheng-Hua1, Peng Wen-Xi1, Li Xin-Qiao1, Xiong Shao-Lin1, Zhang Da-Li1, Qiao Rui1, Guo Dong-Ya1, Cai Ce1ORCID, Chang Zhi1, Chen Can1, Chen Gang1, Du Yuan-Yuan1, Gao Min1, Gao Rui1, Gong Ke1, Hou Dong-Jie1, Li Chao-Yang12, Li Gang1, Li Lu1, Li Mao-Shun1, Li Xiao-Bo1, Li Xu-Fang1, Li Yan-Guo1, Liang Xiao-Hua1, Liu Jia-Cong1, Liu Xiao-Jing1, Liu Ya-Qing1, Lu Hong1, Ma Xiang1, Meng Bin1, Shi Feng1, Song Li-Ming1ORCID, Sun Xi-Lei13, Wang Chen-Wei1, Wang Hui1, Wang Hui-Zhen1, Wang Jin-Zhou1, Wang Yu-Sa1, Wen Xing1, Wen Xiang-Yang1, Xiao Shuo1ORCID, Xu Yan-Bing1, Xu Yu-Peng1, Xue Wang-Chen1, Yang Jia-Wei1, Yang Sheng1, Yi Qi-Bin14, Zhang Cheng-Mo1, Zhang Chao-Yue1, Zhang Fan1, Zhang Fei1, Zhang Peng1, Zhang Shuang-Nan15, Zhang Yan-Qiu1, Zhao Xiao-Yun1ORCID, Zhao Yi16ORCID, Zheng Chao1, Zheng Shi-Jie1, Zhou Xing1, Zhu Yue1
Affiliation:
1. Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences , Beijing 100049, China 2. Physics and Space Science College, China West Normal University , Nanchong 637009, China 3. State Key Laboratory of Particle Detection and Electronics, Institute of High Energy Physics, Chinese Academy of Sciences , Beijing 100049, China 4. Key Laboratory of Stellar and Interstellar Physics and Department of Physics, Xiangtan University , Xiangtan 411105, China 5. Space Science Division, National Astronomical Observatories of China, Chinese Academy of Sciences , Beijing 100012, China 6. School of Computer and Information, Dezhou University , Dezhou 253023, China
Abstract
ABSTRACT
As the main detector of the Gravitational wave high-energy Electromagnetic Counterpart All-sky Monitor mission (GECAM), the calibration of the energy response and detection efficiency of the gamma-ray detector (GRD) is the main content of the ground-based calibration. This article mainly focuses on the calibration of the energy response and detection efficiency in the 8–160 keV with a refined measurement around the absorption edges of the lanthanum bromide crystal ($\rm {LaBr_3}$). The GRD performances for different crystal types, data acquisition modes, working modes, and incident positions are also analysed in detail. We show that the calibration campaign is comprehensive, the detector performance meets the flight requirements, and the calibration results generally agree with simulations as expected. The detector’s model was corrected by the ground-based calibration, which led to the establishment of the calibration data base.
Funder
National Natural Science Foundation of China Chinese Academy of Sciences
Publisher
Oxford University Press (OUP)
Subject
Space and Planetary Science,Astronomy and Astrophysics
Cited by
4 articles.
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1. SiPM-based Gamma-ray Detectors of GECAM;Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment;2024-12 2. Detector performance of the Gamma-ray Transient Monitor onboard DRO-A satellite;Science China Physics, Mechanics & Astronomy;2024-09-03 3. Ground calibration of Gamma-Ray Detectors of GECAM-C;Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment;2024-02 4. The energy response of LaBr$$_{3}$$(Ce), LaBr$$_{3}$$(Ce,Sr), and NaI(Tl) crystals for GECAM;Nuclear Science and Techniques;2024-02
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