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Development of a liquid-xenon photon detector--towards the search for a muon rare decay mode at Paul Scherrer Institute |
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| Authors: | S Mihara T Doke K Kasami T Mitsuhashi H Nishiguchi K Ozone S Suzuki T Yoshimura |
| Affiliation: | a International Center for Elementary Particle Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan b Advanced Research Institute for Science and Engineering, Waseda University, 1-6-1 Waseda, Shinjuku-ku, Tokyo 113-0032, Japan c High Energy Accelerator Research Organization, Institute of Particle and Nuclear Studies, 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan |
| Abstract: | We are developing a new type of photon detector in preparation of an experiment to search for muons decaying into positrons and gamma rays. In the experiment, the photon detector will utilize liquid xenon (Xe) as the scintillation material because of its fast response, large light yield, and high density. The scintillation light emitted in liquid Xe will be observed directly by positioning photomultipliers (PMTs) in the liquid without using a transmission window. In order to determine proper experimental procedures and to study the detector response to gamma rays, we constructed a prototype utilizing a 100 l volume of liquid Xe. The current status and future prospects of detector development are reported in this article. |
| Keywords: | Liquid xenon Photon detector Muon rare decay Pulse-tube refrigerator |
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