TY - JOUR
T1 - Development of a liquid Xe photon detector for μ → eγ decay search experiment at PSI
AU - Mihara, Satoshi
AU - Doke, Tadayoshi
AU - Kamiya, Yoshio
AU - Mashimo, Tetsuro
AU - Mori, Toshinori
AU - Nishiguchi, Hajime
AU - Ootani, Wataru
AU - Orito, Shuji
AU - Ozone, Kenji
AU - Sawada, Ryu
AU - Suzuki, Satoshi
AU - Tejima, Go
AU - Terasawa, Kazuhiro
AU - Yahagi, Kouichi
AU - Yamashita, Masaki
AU - Yashima, Jun
N1 - Funding Information:
Manuscript received November 3, 2000; revised December 5, 2001. This work was supported in part by Grants-in-Aid of Scientific Research 12047209 of the Japan Ministry of the Education, Science, and Culture. S. Mihara, T. Mashimo, T. Mori, W. Ootani, and J. Yashima are with the International Center for Elementary Particle Physics, University of Tokyo, Tokyo 113-0033, Japan (e-mail: mihara@icepp.s.u-tokyo.ac.jp). Y. Kamiya, H. Nishiguchi, S. Orito, K. Ozone, G. Tejima, and K. Yahagi are with the Faculty of Science, University of Tokyo, Tokyo 113-0033, Japan. T. Doke, R. Sawada, S. Suzuki, K. Terasawa, and M. Yamashita are with the Advanced Research Institute for Science and Engineering, Waseda University, Tokyo 162-0044, Japan. Publisher Item Identifier S 0018-9499(02)03938-2.
PY - 2002/4
Y1 - 2002/4
N2 - We are developing a new type of photon detector for an experiment to search for muons decaying into a positron and gamma ray. Our sensitivity on the branching ratio is expected to reach 10-14 by use of the world's most intensive continuous muon beam at Paul Scherrer Institut (PSI). In this experiment, the photon detector will utilize liquid Xenon (Xe) as a scintillation material because of its fast response, large light yield, and high density. The scintillation light emitted in liquid Xe will be directly observed by photomultipliers (PMTs) located in the liquid without the use of a transmission window. In order to study the detector response to gamma rays, we have constructed a prototype with an active volume of 2.3 × 103 surrounded by 32 PMTs. The PMT is a new development enabling operation at temperatures as low as liquid Xe (165 K). Energy, position, and timing resolutions have been evaluated using gamma-ray sources ranging from 320 keV to 1835 keV. The performance of the prototype is presented in this article.
AB - We are developing a new type of photon detector for an experiment to search for muons decaying into a positron and gamma ray. Our sensitivity on the branching ratio is expected to reach 10-14 by use of the world's most intensive continuous muon beam at Paul Scherrer Institut (PSI). In this experiment, the photon detector will utilize liquid Xenon (Xe) as a scintillation material because of its fast response, large light yield, and high density. The scintillation light emitted in liquid Xe will be directly observed by photomultipliers (PMTs) located in the liquid without the use of a transmission window. In order to study the detector response to gamma rays, we have constructed a prototype with an active volume of 2.3 × 103 surrounded by 32 PMTs. The PMT is a new development enabling operation at temperatures as low as liquid Xe (165 K). Energy, position, and timing resolutions have been evaluated using gamma-ray sources ranging from 320 keV to 1835 keV. The performance of the prototype is presented in this article.
KW - Photomultiplier (PMT)
KW - Scintillation detector
KW - Xenon
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U2 - 10.1109/TNS.2002.1003679
DO - 10.1109/TNS.2002.1003679
M3 - Article
AN - SCOPUS:0036541310
VL - 49
SP - 588
EP - 591
JO - IEEE Transactions on Nuclear Science
JF - IEEE Transactions on Nuclear Science
SN - 0018-9499
IS - 2
ER -