Development of a liquid Xe photon detector for μ → eγ decay search experiment at PSI

Satoshi Mihara; Tadayoshi Doke; Yoshio Kamiya; Tetsuro Mashimo; Toshinori Mori; Hajime Nishiguchi; Wataru Ootani; Shuji Orito; Kenji Ozone; Ryu Sawada; Satoshi Suzuki; Go Tejima; Kazuhiro Terasawa; Kouichi Yahagi; Masaki Yamashita; Jun Yashima

doi:10.1109/TNS.2002.1003679

Development of a liquid Xe photon detector for μ → eγ decay search experiment at PSI

Satoshi Mihara, Tadayoshi Doke, Yoshio Kamiya, Tetsuro Mashimo, Toshinori Mori, Hajime Nishiguchi, Wataru Ootani, Shuji Orito, Kenji Ozone, Ryu Sawada, Satoshi Suzuki, Go Tejima, Kazuhiro Terasawa, Kouichi Yahagi, Masaki Yamashita, Jun Yashima

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	588-591
Number of pages	4
Journal	IEEE Transactions on Nuclear Science
Volume	49
Issue number	2
DOIs	https://doi.org/10.1109/TNS.2002.1003679
Publication status	Published - 2002 Apr 1
Externally published	Yes

Keywords

Photomultiplier (PMT)
Scintillation detector
Xenon

ASJC Scopus subject areas

Nuclear and High Energy Physics
Nuclear Energy and Engineering
Electrical and Electronic Engineering

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10.1109/TNS.2002.1003679

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Mihara, S., Doke, T., Kamiya, Y., Mashimo, T., Mori, T., Nishiguchi, H., Ootani, W., Orito, S., Ozone, K., Sawada, R., Suzuki, S., Tejima, G., Terasawa, K., Yahagi, K., Yamashita, M., & Yashima, J. (2002). Development of a liquid Xe photon detector for μ → eγ decay search experiment at PSI. IEEE Transactions on Nuclear Science, 49(2), 588-591. https://doi.org/10.1109/TNS.2002.1003679

Development of a liquid Xe photon detector for μ → eγ decay search experiment at PSI. / Mihara, Satoshi; Doke, Tadayoshi; Kamiya, Yoshio; Mashimo, Tetsuro; Mori, Toshinori; Nishiguchi, Hajime; Ootani, Wataru; Orito, Shuji; Ozone, Kenji; Sawada, Ryu; Suzuki, Satoshi; Tejima, Go; Terasawa, Kazuhiro; Yahagi, Kouichi; Yamashita, Masaki; Yashima, Jun.

In: IEEE Transactions on Nuclear Science, Vol. 49, No. 2, 01.04.2002, p. 588-591.

Research output: Contribution to journal › Article › peer-review

Mihara, S, Doke, T, Kamiya, Y, Mashimo, T, Mori, T, Nishiguchi, H, Ootani, W, Orito, S, Ozone, K, Sawada, R, Suzuki, S, Tejima, G, Terasawa, K, Yahagi, K, Yamashita, M & Yashima, J 2002, 'Development of a liquid Xe photon detector for μ → eγ decay search experiment at PSI', IEEE Transactions on Nuclear Science, vol. 49, no. 2, pp. 588-591. https://doi.org/10.1109/TNS.2002.1003679

Mihara, Satoshi ; Doke, Tadayoshi ; Kamiya, Yoshio ; Mashimo, Tetsuro ; Mori, Toshinori ; Nishiguchi, Hajime ; Ootani, Wataru ; Orito, Shuji ; Ozone, Kenji ; Sawada, Ryu ; Suzuki, Satoshi ; Tejima, Go ; Terasawa, Kazuhiro ; Yahagi, Kouichi ; Yamashita, Masaki ; Yashima, Jun. / Development of a liquid Xe photon detector for μ → eγ decay search experiment at PSI. In: IEEE Transactions on Nuclear Science. 2002 ; Vol. 49, No. 2. pp. 588-591.

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