Development of wide range photon detection system for muonic X-ray spectroscopy

Mizuno, Rurie*; Niikura, Megumi*; Saito, Takeshi*; Matsuzaki, Teiichiro*; Sakurai, Hiroyoshi*; Amato, A.*; Asari, Shunsuke*; Biswas, S.*; Chiu, I.-H. ; Gianluca, J.*; Guguchia, Z.*; Janka, G.*; Ninomiya, Kazuhiko*; Ritjoho, N.*; Sato, Akira*; Schoeler, K. von*; Tomono, Dai*; Terada, Kentaro*; Wang, C.*

We have developed a photon detection system for muonic X-ray spectroscopy. The detector system consists of high-purity germanium detectors with BGO Compton suppressors. The signals from the detectors are readout with a digital acquisition system. The absolute energy accuracy, energy and timing resolutions, photo-peak efficiency, the performance of the Compton suppressor, and high count rate durability are studied with standard -ray sources and in-beam experiment using $^{27}$ Al() $^{28}$ Si resonance reaction. The detection system was demonstrated at Paul Scherrer Institute. A calibration method for a photon detector at a muon facility using muonic X-rays of $^{197}$ Au and $^{209}$ Bi is proposed.

Language	:	English
Journal	:	Nuclear Instruments and Methods in Physics Research A
Volume	:	1060
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Pages	:	p.169029_1 - 169029_14
Publication Year/Month	:	2024/03
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Paper URL	:	https://doi.org/10.1016/j.nima.2023.169029
DOI for research data	:	https://doi.org/10.1016/j.nima.2023.169029
Keywords	:	no keyword
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Cooperating Institute	:	Suranaree University of Technology; 東京大学; 大阪大学; 理化学研究所; Paul Scherrer Institut

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Registration No. : AA20230349
JAEA Abstracts No. : 52000168
Paper Submission No. : 27586

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