COMET Phase-I technical design report

R. Abramishvili, G. Adamov, R. R. Akhmetshin, A. Allin, J. C. Angélique, V. Anishchik, M. Aoki, D. Aznabayev, I. Bagaturia, G. Ban, Y. Ban, D. Bauer, D. Baygarashev, A. E. Bondar, C. Cârloganu, B. Carniol, T. T. Chau, J. K. Chen, S. J. Chen, Y. E. CheungW. Da Silva, P. D. Dauncey, C. Densham, G. Devidze, P. Dornan, A. Drutskoy, V. Duginov, Y. Eguchi, L. B. Epshteyn, P. Evtoukhovitch, S. Fayer, G. V. Fedotovich, M. Finger, M. Finger, Y. Fujii, Y. Fukao, J. L. Gabriel, P. Gay, E. Gillies, D. N. Grigoriev, K. Gritsay, V. H. Hai, E. Hamada, I. H. Hashim, S. Hashimoto, O. Hayashi, T. Hayashi, T. Hiasa, Z. A. Ibrahim, Y. Igarashi, F. V. Ignatov, M. Iio, K. Ishibashi, A. Issadykov, T. Itahashi, A. Jansen, X. S. Jiang, P. Jonsson, T. Kachelhoffer, V. Kalinnikov, E. Kaneva, F. Kapusta, H. Katayama, K. Kawagoe, R. Kawashima, N. Kazak, V. F. Kazanin, O. Kemularia, A. Khvedelidze, M. Koike, T. Kormoll, G. A. Kozlov, A. N. Kozyrev, M. Kravchenko, B. Krikler, G. Kumsiashvili, Y. Kuno, Y. Kuriyama, Y. Kurochkin, A. Kurup, B. Lagrange, J. Lai, M. J. Lee, H. B. Li, R. P. Litchfield, W. G. Li, T. Loan, D. Lomidze, I. Lomidze, P. Loveridge, G. Macharashvili, Y. Makida, Y. J. Mao, O. Markin, Y. Matsuda, A. Melkadze, A. Melnik, T. Mibe, S. Mihara, N. Miyamoto, Y. Miyazaki, F. Mohamad Idris, K. A.Mohamed Kamal Azmi, A. Moiseenko, M. Moritsu, Y. Mori, T. Motoishi, H. Nakai, Y. Nakai, T. Nakamoto, Y. Nakamura, Y. Nakatsugawa, Y. Nakazawa, J. Nash, H. Natori, V. Niess, M. Nioradze, H. Nishiguchi, K. Noguchi, T. Numao, J. O'dell, T. Ogitsu, S. Ohta, K. Oishi, K. Okamoto, T. Okamura, K. Okinaka, C. Omori, T. Ota, J. Pasternak, A. Paulau, D. Picters, V. Ponariadov, G. Quémener, A. A. Ruban, V. Rusinov, B. Sabirov, H. Sakamoto, P. Sarin, K. Sasaki, A. Sato, J. Sato, Y. K. Semertzidis, N. Shigyo, Dz Shoukavy, M. Slunecka, D. Stöckinger, M. Sugano, T. Tachimoto, T. Takayanagi, M. Tanaka, J. Tang, C. V. Tao, A. M. Teixeira, Y. Tevzadze, T. Thanh, J. Tojo, S. S. Tolmachev, M. Tomasek, M. Tomizawa, T. Toriashvili, H. Trang, I. Trekov, Z. Tsamalaidze, N. Tsverava, T. Uchida, Y. Uchida, K. Ueno, E. Velicheva, A. Volkov, V. Vrba, W. A.T.Wan Abdullah, P. Warin-Charpentier, M. L. Wong, T. S. Wong, C. Wu, T. Y. Xing, H. Yamaguchi, A. Yamamoto, M. Yamanaka, T. Yamane, Y. Yang, T. Yano, W. C. Yao, B. Yeo, H. Yoshida, M. Yoshida, T. Yoshioka, Y. Yuan, Yu V. Yudin, M. V. Zdorovets, J. Zhang, Y. Zhang, K. Zuber

研究成果: Contribution to journalArticle査読

11 被引用数 (Scopus)

抄録

The Technical Design for the COMET Phase-I experiment is presented in this paper. COMET is an experiment at J-PARC, Japan, which will search for neutrinoless conversion of muons into electrons in the field of an aluminum nucleus (μ-e conversion, μ-N → e-N); a lepton flavor-violating process. The experimental sensitivity goal for this process in the Phase-I experiment is 3.1 × 10-15, or 90% upper limit of a branching ratio of 7 × 10-15, which is a factor of 100 improvement over the existing limit. The expected number of background events is 0.032. To achieve the target sensitivity and background level, the 3.2 kW 8 GeV proton beam from J-PARC will be used. Two types of detectors, CyDet and StrECAL, will be used for detecting the μ-e conversion events, and for measuring the beam-related background events in view of the Phase-II experiment, respectively. Results from simulation on signal and background estimations are also described.

本文言語英語
論文番号033C01
ジャーナルProgress of Theoretical and Experimental Physics
2020
3
DOI
出版ステータス出版済み - 3 13 2020

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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