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COMET Phase-I technical design report

R Abramishvili,George Adamov,R.R. Akhmetshin,A. E. Allin,J. C. Angélique,В. М. Анищик,M. Aoki,D. Aznabayev,Iuri Bagaturia,G. Ban,Y. Ban,D. Bauer,D Baygarashev,A. Bondar,C. Cârloganu,B Carniol,Tai Thanh Chau,J K Chen,S J Chen,Yeuk-Kwan E. Cheung,W da Silva,Paul Dauncey,C. Densham,G. G. Devidze,P.J. Dornan,A. Drutskoy,V. N. Duginov,Yoko Eguchi,L.B. Epshteyn,P. Evtoukhovitch,Simon Fayer,G. V. Fedotovich,Michael Finger,Michael Finger,Yuki Fujii,Y. Fukao,J L Gabriel,P. Gay,Ewen Gillies,D.N. Grigoriev,K. Gritsay,Vo Hong Hai,Eitaro Hamada,I. H. Hashim,Shotaro Hashimoto,O Hayashi,Tatsuya Hayashi,T Hiasa,Z. A. Ibrahim,Y. Igarashi,F.V. Ignatov,M. Iio,Kenji Ishibashi,Aidos Issadykov,T. Itahashi,A Jansen,X. S. Jiang,P. Jönsson,T. Kachelhoffer,V. A. Kalinnikov,Екатерина Канева,F. Kapusta,Hiroshi Katayama,K. Kawagoe,Ryosuke Kawashima,Н. С. Казак,Vassili Kazanin,O. Kemularia,Arsen Khvedelidze,Masafumi Koike,T. Kormoll,G. Kozlov,Aleksei Kozyrev,Mikhail Kravchenko,Benjamin Krikler,G Kumsiashvili,Y. Kuno,Y. Kuriyama,Yurii Kurochkin,A. Kurup,B Lagrange,Juey H. Lai,M J Lee,H B Li,R. P. Litchfield,W G Li,Trương Thị Hồng Loan,D. Lomidze,Irakli Lomidze,P. Loveridge,G. Macharashvili,Y. Makida,Yajun Mao,Oleg Markin,Y. Matsuda,Aleksandre Melkadze,Anastasiya Melnik,T. Mibe,S. Mihara,N. Miyamoto,Yuta Miyazaki,F. Mohamad Idris,Khairul Azmi,A. Moiseenko,Manabu Moritsu,Y. Mori,Takahiro Motoishi,Hideyuki Nakai,Yuki Nakai,T. Nakamoto,Yu Nakamura,Y. Nakatsugawa,Y. Nakazawa,Jordan Nash,H. Natori,V. Niess,M. Nioradze,H. Nishiguchi,Kohei Noguchi,T. Numao,Joe O'Dell,T. Ogitsu,Saki Ohta,Kou Oishi,Kazuaki Okamoto,Takahiro Okamura,Kaori Okinaka,Chihiro Omori,Toshihiko Ota,J. Pasternak,A Paulau,D Picters,В. В. Понарядов,G. Qúeḿener,A.A. Ruban,Vladimir Rusinov,Б. М. Сабиров,H. Sakamoto,P. Sarin,Κ. Sasaki,Akira Sato,Joe Sato,Yannis K. Semertzidis,Nobuhiro Shigyo,Dz. Shoukavy,M. Slunečka,Dominik Stöckinger,M. Sugano,T. Tachimoto,T. Takayanagi,M. Tanaka,J. Tang,Châu Văn Tạo,Ana Teixeira,Yu.V. Tevzadze,Trần Thiện Thanh,Junji Tojo,С. С. Толмачев,M. Tomášek,M. Tomizawa,Tengizi Toriashvili,Huynh Ngoc Doan Trang,I. Trekov,Zviad Tsamalaidze,N. Tsverava,Tomohisa Uchida,Y. Uchida,K. Ueno,E. P. Velicheva,A.D. Volkov,V. Vrba,Wan Ahmad Tajuddin Wan Abdullah,P. Warin-Charpentier,Ming-Liang Wong,TingSam Wong,Chen Wu,T. Y. Xing,Hiroshi Yamaguchi,A. Yamamoto,Masato Yamanaka,Teiichi Yamane,Yuning Yang,T. Yano,Weiming Yao,Beomki Yeo,Hisataka Yoshida,Makoto Yoshida,Tamaki Yoshioka,Y. Yuan,Yu. V. Yudin,М. В. Здоровец,J Zhang,Y Zhang,Κ. Zuber

Physics

Nuclear physics

Muon

2020

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 aluminium nucleus ($\mu-e$ conversion, $\mu^- N \to e^- N$); a lepton flavor violating process. The experimental sensitivity goal for this process in the Phase-I experiment is $3.1\times10^{-15}$, or 90 % upper limit of branching ratio of $7\times 10^{-15}$, 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 \mue 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.

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“COMET Phase-I technical design report” is a paper by R Abramishvili George Adamov R.R. Akhmetshin A. E. Allin J. C. Angélique В. М. Анищик M. Aoki D. Aznabayev Iuri Bagaturia G. Ban Y. Ban D. Bauer D Baygarashev A. Bondar C. Cârloganu B Carniol Tai Thanh Chau J K Chen S J Chen Yeuk-Kwan E. Cheung W da Silva Paul Dauncey C. Densham G. G. Devidze P.J. Dornan A. Drutskoy V. N. Duginov Yoko Eguchi L.B. Epshteyn P. Evtoukhovitch Simon Fayer G. V. Fedotovich Michael Finger Michael Finger Yuki Fujii Y. Fukao J L Gabriel P. Gay Ewen Gillies D.N. Grigoriev K. Gritsay Vo Hong Hai Eitaro Hamada I. H. Hashim Shotaro Hashimoto O Hayashi Tatsuya Hayashi T Hiasa Z. A. Ibrahim Y. Igarashi F.V. Ignatov M. Iio Kenji Ishibashi Aidos Issadykov T. Itahashi A Jansen X. S. Jiang P. Jönsson T. Kachelhoffer V. A. Kalinnikov Екатерина Канева F. Kapusta Hiroshi Katayama K. Kawagoe Ryosuke Kawashima Н. С. Казак Vassili Kazanin O. Kemularia Arsen Khvedelidze Masafumi Koike T. Kormoll G. Kozlov Aleksei Kozyrev Mikhail Kravchenko Benjamin Krikler G Kumsiashvili Y. Kuno Y. Kuriyama Yurii Kurochkin A. Kurup B Lagrange Juey H. Lai M J Lee H B Li R. P. Litchfield W G Li Trương Thị Hồng Loan D. Lomidze Irakli Lomidze P. Loveridge G. Macharashvili Y. Makida Yajun Mao Oleg Markin Y. Matsuda Aleksandre Melkadze Anastasiya Melnik T. Mibe S. Mihara N. Miyamoto Yuta Miyazaki F. Mohamad Idris Khairul Azmi A. Moiseenko Manabu Moritsu Y. Mori Takahiro Motoishi Hideyuki Nakai Yuki Nakai T. Nakamoto Yu Nakamura Y. Nakatsugawa Y. Nakazawa Jordan Nash H. Natori V. Niess M. Nioradze H. Nishiguchi Kohei Noguchi T. Numao Joe O'Dell T. Ogitsu Saki Ohta Kou Oishi Kazuaki Okamoto Takahiro Okamura Kaori Okinaka Chihiro Omori Toshihiko Ota J. Pasternak A Paulau D Picters В. В. Понарядов G. Qúeḿener A.A. Ruban Vladimir Rusinov Б. М. Сабиров H. Sakamoto P. Sarin Κ. Sasaki Akira Sato Joe Sato Yannis K. Semertzidis Nobuhiro Shigyo Dz. Shoukavy M. Slunečka Dominik Stöckinger M. Sugano T. Tachimoto T. Takayanagi M. Tanaka J. Tang Châu Văn Tạo Ana Teixeira Yu.V. Tevzadze Trần Thiện Thanh Junji Tojo С. С. Толмачев M. Tomášek M. Tomizawa Tengizi Toriashvili Huynh Ngoc Doan Trang I. Trekov Zviad Tsamalaidze N. Tsverava Tomohisa Uchida Y. Uchida K. Ueno E. P. Velicheva A.D. Volkov V. Vrba Wan Ahmad Tajuddin Wan Abdullah P. Warin-Charpentier Ming-Liang Wong TingSam Wong Chen Wu T. Y. Xing Hiroshi Yamaguchi A. Yamamoto Masato Yamanaka Teiichi Yamane Yuning Yang T. Yano Weiming Yao Beomki Yeo Hisataka Yoshida Makoto Yoshida Tamaki Yoshioka Y. Yuan Yu. V. Yudin М. В. Здоровец J Zhang Y Zhang Κ. Zuber published in 2020. It has an Open Access status of “gold”. You can read and download a PDF Full Text of this paper here.