JIANG Wenyang, ZHAO Yiwei, QI Xinrui, JIANG Jianyong, ZHANG Fengshou, LIU Yuanyuan. BNU-120 gamma-ray detector with GAGG scintillators[J]. Journal of Beijing Normal University(Natural Science), 2022, 58(5): 737-742. DOI: 10.12202/j.0476-0301.2022131
Citation: JIANG Wenyang, ZHAO Yiwei, QI Xinrui, JIANG Jianyong, ZHANG Fengshou, LIU Yuanyuan. BNU-120 gamma-ray detector with GAGG scintillators[J]. Journal of Beijing Normal University(Natural Science), 2022, 58(5): 737-742. DOI: 10.12202/j.0476-0301.2022131
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BNU-120 gamma-ray detector with GAGG scintillators

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  • A gamma-ray detector was developed with Cerium-doped Gadolinium Aluminum Gallium Garnet (GAGG) scintillators at Beijing Normal University．Four GAGG crystals, each measuring 3.8 cm×3.8 cm×1.0 cm, were coupled to 64 Silicon Photomultipliers (SiPM, Sensl MicroFJ-60035-TSV)．Signal dependence on temperature and bias, correlations between energy and energy resolution, between energy and detection efficiency, were all measured and calibrated in the range from 15-1 330 keV．Calibrations and measurements were found consistent with those done with detectors developed previously by our group．Detection efficiency was consistent with Monte Carlo simulations on Geant4．Calibrations will be critical for future in-orbit data correction．
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