Detection of Low-Energy X-rays Using YSO Scintillation Crystal Arrays for GRB Experiments

Minbin, K.; Ripa, J.; Park, I.H.; Bogomolov, V.; Brandt, S.; Budtz-Jørgensen, C.; Castro-Tirado, A.J.; Chang, S.; Chang, Y.; Chen, C.R.; Chen, C.W.; Chen, P.; Connell, P.; Eyles, C.; Gaikov, G.; Hong, G.; Huang, J.J.; Huang, M.A.; Jeong, S.; Kim, J.; Lee, J.; Lim, H.; Lin, C.; Liu, T.; Nam, J.; Panasyuk, M.; Petrov, V.; Reglero, V.; Rodrigo, J.M.; Svertilov, S.; Vedenkin, N.; Wang, M.Z.; Yashin, I.

Авторы: Minbin Kim, Ripa Jakub, Park Il H., Bogomolov Vitaly, Brandt Søren, Budtz-Jørgensen Carl, Castro-Tirado Alberto J., Chang Sheng-Hsiung, Chang Yenyun, Chen Chia Ray, Chen C.W., Chen Pisin, Connell Paul, Eyles Chris, Gaikov Georgii, Hong Gihan, Huang Jian Jung, Huang Ming-Huey Alfred, Jeong Soomin, Kim Jieun, Lee Jik, Lim Heuijin, Lin Chih-Yang, Liu Tsung-Che, Nam Jiwoo, Panasyuk Mikhail, Petrov Vasily, Reglero Victor, Rodrigo Juana M., Svertilov Sergey, Vedenkin Nikolay, Wang Ming Zu, Yashin Ivan
Журнал: Universe
Том: 7
Номер: 11
Год издания: 2021
Первая страница: 396
DOI: 10.3390/universe7110396
Аннотация: We developed an X-ray detector using 36 arrays, each consisting of a 64-pixellated yttriumoxyorthosilicate (YSO) scintillation crystal and a 64-channel multi-anode photomultiplier tube. The Xray detector was designed to detect X-rays with energies lower than 10 keV, primarily with theaim of localizing gamma-ray bursts (GRBs). YSO crystals have no intrinsic background, which isadvantageous for increasing low-energy sensitivity. The fabricated detector was integrated intoUBAT, the payload of the Ultra-Fast Flash Observatory (UFFO)/Lomonosov for GRB observation. The UFFO was successfully operated in space in a low-Earth orbit. In this paper, we present the responses of the X-ray detector of the UBAT engineering model identical to the flight model, using 241-Am and 55-Fe radioactive sources and an Amptek X-ray tube. We found that the X-ray detector can measure energies lower than 5 keV. As such, we expect YSO crystals to be good candidates for the X-ray detector materials for future GRB missions.
Добавил в систему: Богомолов Андрей Владимирович

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Detection of Low-Energy X-rays Using YSO Scintillation Crystal Arrays for GRB Experimentsстатья