S
S. Ogawa
Researcher at University of Tokyo
Publications - 10
Citations - 1125
S. Ogawa is an academic researcher from University of Tokyo. The author has contributed to research in topics: Muon & Branching fraction. The author has an hindex of 6, co-authored 10 publications receiving 735 citations.
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Journal ArticleDOI
Search for the lepton flavour violating decay μ + → e + γ with the full dataset of the MEG experiment
A. M. Baldini,Yu Bao,E. Baracchini,C. Bemporad,F. Berg,F. Berg,Michele Biasotti,G. Boca,Michele Cascella,P. W. Cattaneo,G. Cavoto,Fabrizio Cei,C. Cerri,G. Chiarello,C. Chiri,A. Corvaglia,A. de Bari,M. De Gerone,Tadayoshi Doke,A. D’Onofrio,S. Dussoni,J. Egger,Yasunori Fujii,L. Galli,Flavio Gatti,Francesco Grancagnolo,Marco Grassi,A. Graziosi,D. N. Grigoriev,D. N. Grigoriev,D. N. Grigoriev,Tomiyoshi Haruyama,M. Hildebrandt,Z. Hodge,Z. Hodge,K. Ieki,F. Ignatov,F. Ignatov,T. Iwamoto,D. Kaneko,T. I. Kang,P.R. Kettle,B.I. Khazin,B.I. Khazin,N. V. Khomutov,A. S. Korenchenko,N. Kravchuk,G. M. A. Lim,A. Maki,Satoshi Mihara,W. R. Molzon,Toshinori Mori,Fabio Morsani,A. Mtchedilishvili,D. Mzavia,S. Nakaura,Roberto Di Nardo,Donato Nicolo,Hajime Nishiguchi,M. Nishimura,S. Ogawa,Wataru Ootani,S. Orito,M. Panareo,Angela Papa,Roberto Pazzi,A. Pepino,G. Piredda,G. Pizzigoni,A. Popov,A. Popov,F. Raffaelli,F. Renga,F. Renga,E. Ripiccini,Stefan Ritt,M. Rossella,G. Rutar,G. Rutar,Ryu Sawada,F. Sergiampietri,G. Signorelli,M. Simonetta,G. Tassielli,F. Tenchini,Yusuke Uchiyama,M. Venturini,C. Voena,Akira Yamamoto,Kayo Yoshida,Z. You,Yury V. Yudin,Yury V. Yudin,D. Zanello +93 more
TL;DR: The final results of the search for the lepton flavour violating decay were presented in this paper, based on the full dataset collected by the MEG experiment at the Paul Scherrer Institut in the period 2009-2013.
Journal ArticleDOI
The design of the MEG II experiment
A. M. Baldini,E. Baracchini,C. Bemporad,F. Berg,F. Berg,Michele Biasotti,Gianluigi Boca,P. W. Cattaneo,G. Cavoto,Fabrizio Cei,M. Chiappini,G. Chiarello,C. Chiri,G. Cocciolo,A. Corvaglia,A. de Bari,M. De Gerone,A. D’Onofrio,Marco Francesconi,Yuki Fujii,L. Galli,Flavio Gatti,F. Grancagnolo,Marco Grassi,D. N. Grigoriev,D. N. Grigoriev,D. N. Grigoriev,Malte Hildebrandt,Z. Hodge,Z. Hodge,K. Ieki,F. Ignatov,F. Ignatov,R. Iwai,T. Iwamoto,D. Kaneko,Katsuyu Kasami,P.-R. Kettle,B.I. Khazin,B.I. Khazin,N. V. Khomutov,A. S. Korenchenko,N. P. Kravchuk,T. Libeiro,Masatoshi Maki,Nobuo Matsuzawa,Satoshi Mihara,M. Milgie,W. R. Molzon,Toshinori Mori,F. Morsani,A. Mtchedilishvili,M. Nakao,S. Nakaura,D. Nicolò,Hajime Nishiguchi,M. Nishimura,S. Ogawa,Wataru Ootani,M. Panareo,A. Papa,A. Pepino,G. Piredda,Andrey Popov,Andrey Popov,F. Raffaelli,F. Renga,E. Ripiccini,Stefan Ritt,M. Rossella,G. Rutar,G. Rutar,Ryu Sawada,G. Signorelli,M. Simonetta,G. F. Tassielli,Yusuke Uchiyama,M. Usami,M. Venturini,C. Voena,Kayo Yoshida,Yu.V. Yudin,Yu.V. Yudin,Y. Zhang +83 more
TL;DR: The MEG experiment, designed to search for the decay of the branching ratio, reached a sensitivity level of 5.3 × 10−13 in 2013 as discussed by the authors, which was improved to 6.6× 10−14 in 2014.
Journal ArticleDOI
Measurement of the radiative decay of polarized muons in the MEG experiment
A. M. Baldini,Yu Bao,E. Baracchini,C. Bemporad,F. Berg,F. Berg,Michele Biasotti,Gianluigi Boca,P. W. Cattaneo,G. Cavoto,Fabrizio Cei,G. Chiarello,C. Chiri,A. de Bari,M. De Gerone,A. D’Onofrio,S. Dussoni,Yuki Fujii,L. Galli,Flavio Gatti,F. Grancagnolo,Marco Grassi,A. Graziosi,D. N. Grigoriev,D. N. Grigoriev,D. N. Grigoriev,T. Haruyama,Malte Hildebrandt,Z. Hodge,Z. Hodge,K. Ieki,K. Ieki,F. Ignatov,F. Ignatov,T. Iwamoto,D. Kaneko,Tae Im Kang,P.-R. Kettle,B.I. Khazin,B.I. Khazin,N. V. Khomutov,A. S. Korenchenko,N. P. Kravchuk,G. M. A. Lim,Satoshi Mihara,W. R. Molzon,Toshinori Mori,A. Mtchedlishvili,S. Nakaura,D. Nicolò,Hajime Nishiguchi,M. Nishimura,S. Ogawa,Wataru Ootani,M. Panareo,A. Papa,A. Pepino,G. Piredda,G. Pizzigoni,Andrey Popov,Andrey Popov,F. Renga,E. Ripiccini,Stefan Ritt,M. Rossella,G. Rutar,G. Rutar,Ryu Sawada,F. Sergiampietri,G. Signorelli,G. F. Tassielli,F. Tenchini,Yusuke Uchiyama,M. Venturini,C. Voena,Akira Yamamoto,K. Yoshida,Z. You,Yu.V. Yudin,Yu.V. Yudin +79 more
TL;DR: In this article, the radiative muon decay was studied by using an almost fully polarized muon source, and the branching ratio was measured for the MEG experiment in the years 2009-2010.
Journal ArticleDOI
Search for lepton flavour violating muon decay mediated by a new light particle in the MEG experiment
A. M. Baldini,F. Berg,F. Berg,Michele Biasotti,Gianluigi Boca,P. W. Cattaneo,G. Cavoto,Fabrizio Cei,M. Chiappini,G. Chiarello,C. Chiri,A. Corvaglia,A. de Bari,M. De Gerone,M. Francesconi,L. Galli,Flavio Gatti,F. Grancagnolo,Marco Grassi,D. N. Grigoriev,D. N. Grigoriev,D. N. Grigoriev,Malte Hildebrandt,Z. Hodge,Z. Hodge,K. Ieki,F. Ignatov,F. Ignatov,R. Iwai,T. Iwamoto,Satoru Kobayashi,P.-R. Kettle,William Kyle,N. V. Khomutov,A. Kolesnikov,N. P. Kravchuk,Nikolay Kuchinskiy,T. Libeiro,G. M. A. Lim,Vladimir Malyshev,Nobuo Matsuzawa,Manuel Meucci,Satoshi Mihara,W. R. Molzon,Toshinori Mori,A. Mtchedilishvili,M. Nakao,H. Natori,D. Nicolò,Hajime Nishiguchi,M. Nishimura,S. Ogawa,R. Onda,Wataru Ootani,Atsushi Oya,Dylan Palo,M. Panareo,A. Papa,Valerio Pettinacci,G. Pizzigoni,Andrey Popov,Andrey Popov,F. Renga,Stefan Ritt,Aleksander Rozhdestvensky,M. Rossella,Ryu Sawada,P. Schwendimann,G. Signorelli,A. Stoykov,G. F. Tassielli,Kazuki Toyoda,Yusuke Uchiyama,M. Usami,C. Voena,K. Yanai,Yu.V. Yudin,Yu.V. Yudin +77 more
TL;DR: In this article, the first direct search for lepton flavour violating muon decay mediated by a new light particle X was presented, using a dataset resulting from the MEG experiment at the Paul Scherrer Institut.
Journal ArticleDOI
The Search for μ+ → e+γ with 10–14 Sensitivity: The Upgrade of the MEG Experiment
A. M. Baldini,Vladimir Baranov,Michele Biasotti,G. Boca,Paolo Walter Cattaneo,Gianluca Cavoto,Fabrizio Cei,M. Chiappini,G. Chiarello,Alessandro Corvaglia,Federica Cuna,Giovanni dal Maso,Antonio de Bari,Matteo De Gerone,M. Francesconi,L. Galli,Giovanni Gallucci,Flavio Gatti,Francesco Grancagnolo,Marco Grassi,D. N. Grigoriev,M. Hildebrandt,K. Ieki,Fedor Ignatov,T. Iwamoto,P.R. Kettle,N. V. Khomutov,Satoru Kobayashi,A. Kolesnikov,N. Kravchuk,Victor Krylov,Nikolay Kuchinskiy,William Kyle,T. Libeiro,Vladimir Malyshev,Manuel Meucci,Satoshi Mihara,William Molzon,Toshinori Mori,Alexander Mtchedlishvili,M. Nakao,Donato Nicolo,Hajime Nishiguchi,S. Ogawa,Rina Onda,Wataru Ootani,Atsushi Oya,Dylan Palo,M. Panareo,Angela Papa,Valerio Pettinacci,Alexander Popov,F. Renga,Stefan Ritt,M. Rossella,Aleksander Rozhdestvensky,P. Schwendimann,Kohei Shimada,G. Signorelli,A. Stoykov,G. F. Tassielli,Kazuki Toyoda,Yusuke Uchiyama,M. Usami,Cecilia Voena,Kosuke Yanai,Kensuke Yamamoto,Taku Yonemoto,Yury V. Yudin +68 more
TL;DR: In this paper, the authors present the current status of the preparation, integration and commissioning of the MEG II detector in the recent engineering runs, which has been upgraded in order to reach a sensitivity of 6×10−14.