Y
Y. Hayato
Researcher at University of Tokyo
Publications - 175
Citations - 14067
Y. Hayato is an academic researcher from University of Tokyo. The author has contributed to research in topics: Neutrino & Neutrino oscillation. The author has an hindex of 58, co-authored 175 publications receiving 12874 citations. Previous affiliations of Y. Hayato include Kyoto University & KEK.
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Journal ArticleDOI
Search for proton decay via p→e+π0 and p→μ+π0 in a large water cherenkov detector
H. Nishino,S. Clark,K. Abe,Y. Hayato,T. Iida,M. Ikeda,J. Kameda,Ken-ichiro Kobayashi,Yusuke Koshio,M. Miura,S. Moriyama,Masayuki Nakahata,S. Nakayama,Y. Obayashi,H. Ogawa,Hiroyuki Sekiya,Masato Shiozawa,Yasunari Suzuki,Atsushi Takeda,Y. Takenaga,Y. Takeuchi,Koh Ueno,K. Ueshima,Hiroshi Watanabe,S. Yamada,S. Hazama,I. Higuchi,C. Ishihara,T. Kajita,K. Kaneyuki,G. Mitsuka,Ko Okumura,N. Tanimoto,M. R. Vagins,M. R. Vagins,Frédéric Dufour,E. Kearns,E. Kearns,Michael Litos,J. L. Raaf,J. L. Stone,J. L. Stone,L. R. Sulak,W. Wang,M. Goldhaber,S. Dazeley,Robert Svoboda,K. Bays,David William Casper,J. P. Cravens,W. R. Kropp,S. Mine,C. Regis,M. B. Smy,M. B. Smy,H. W. Sobel,H. W. Sobel,K. S. Ganezer,John Hill,W. E. Keig,J. S. Jang,J. Y. Kim,I. T. Lim,M. Fechner,Kate Scholberg,Kate Scholberg,C. W. Walter,C. W. Walter,R. A. Wendell,Shigeki Tasaka,J. G. Learned,S. Matsuno,Y. Watanabe,Takehisa Hasegawa,T. Ishida,T. Ishii,T. Kobayashi,T. Nakadaira,K. Nakamura,K. Nishikawa,Yuichi Oyama,K. Sakashita,T. Sekiguchi,T. Tsukamoto,A. T. Suzuki,A. Minamino,Tsuyoshi Nakaya,Tsuyoshi Nakaya,Masashi Yokoyama,Y. Fukuda,Yoshitaka Itow,T. Tanaka,C. K. Jung,G. D. Lopez,C. McGrew,R. Terri,C. Yanagisawa,N. Tamura,Y. Idehara,Makoto Sakuda,Y. Kuno,Minoru Yoshida,S. B. Kim,B. S. Yang,T. Ishizuka,H. Okazawa,Y. Choi,H. Seo,Y. Furuse,K. Nishijima,Y. Yokosawa,M. Koshiba,Y. Totsuka,Song Chen,Y. Heng,Zishuo Yang,H. Zhang,D. Kielczewska,E. Thrane,R. J. Wilkes +119 more
TL;DR: From these results, lower limits are set on the partial lifetime of 8.2 x 10;{33} and 6.6x 10; {33} years at 90% confidence level for p-->e;{+}pi;{0} and p-->micro;{-pi;0} modes, respectively.
Journal ArticleDOI
Calibration of the Super-Kamiokande detector
K. Abe,Y. Hayato,T. Iida,K. Iyogi,J. Kameda,Yasuhiro Kishimoto,Yusuke Koshio,Yusuke Koshio,Ll. Marti,M. Miura,S. Moriyama,Masayuki Nakahata,Yuuki Nakano,S. Nakayama,Y. Obayashi,Hiroyuki Sekiya,Masato Shiozawa,Yoshihiro Suzuki,Atsushi Takeda,Y. Takenaga,H. K. Tanaka,T. Tomura,Koh Ueno,R. A. Wendell,T. Yokozawa,T. J. Irvine,H. Kaji,Takaaki Kajita,K. Kaneyuki,K. P. Lee,Yasuhiro Nishimura,Kimihiro Okumura,T. McLachlan,L. Labarga,E. Kearns,E. Kearns,J. L. Raaf,J. L. Stone,J. L. Stone,L. R. Sulak,S. Berkman,H.A. Tanaka,S. Tobayama,M. Goldhaber,K. Bays,G. Carminati,W. R. Kropp,S. Mine,A. L. Renshaw,M. B. Smy,H. W. Sobel,H. W. Sobel,K. S. Ganezer,John Hill,W. E. Keig,J. S. Jang,J. Y. Kim,I. T. Lim,N. Hong,T. Akiri,Justin Albert,A. Himmel,Kate Scholberg,Kate Scholberg,C. W. Walter,C. W. Walter,T. Wongjirad,T. Ishizuka,Shigeki Tasaka,John G. Learned,S. Matsuno,S. N. Smith,Takehisa Hasegawa,T. Ishida,T. Ishii,T. Kobayashi,T. Nakadaira,K. Nakamura,K. Nishikawa,Yuichi Oyama,K. Sakashita,T. Sekiguchi,T. Tsukamoto,A. T. Suzuki,Y. Takeuchi,Y. Takeuchi,K. Huang,K. Ieki,M. Ikeda,T. Kikawa,Hidetoshi Kubo,A. Minamino,A. Murakami,Tsuyoshi Nakaya,Tsuyoshi Nakaya,Minoru Otani,Kazuhiro Suzuki,Susumu Takahashi,Y. Fukuda,K. Choi,Yoshitaka Itow,G. Mitsuka,M. Miyake,P. Mijakowski,R. Tacik,Joshua Hignight,J. Imber,C. K. Jung,I. Taylor,C. Yanagisawa,Y. Idehara,Hirokazu Ishino,A. Kibayashi,Takaaki Mori,Makoto Sakuda,R. Yamaguchi,T. Yano,Y. Kuno,S. B. Kim,B. S. Yang,H. Okazawa,Y. Choi,K. Nishijima,M. Koshiba,Y. Totsuka,Masashi Yokoyama,K. Martens,M. R. Vagins,M. R. Vagins,J. F. Martin,P. de Perio,A. Konaka,M. J. Wilking,Song Chen,Y. Heng,H. Sui,Zishuo Yang,H. Zhang,Y. Zhenwei,K. Connolly,M. Dziomba,R. J. Wilkes +141 more
TL;DR: In this article, a hardware-level detector calibration in Super-Kamiokande (SK) is presented, which can be used to obtain physical numbers such as photon counts and arrival times for each photomultiplier tube (PMT).
Journal ArticleDOI
Erratum: Measurements of the Solar Neutrino Flux from Super-Kamiokande's First 300 Days [Phys. Rev. Lett. 81, 1158 (1998)]
Y. Fukuda,T. Hayakawa,E. Ichihara,Kunio Inoue,K. Ishihara,Hirokazu Ishino,Yoshitaka Itow,T. Kajita,J. Kameda,S. Kasuga,Ken-ichiro Kobayashi,Y. Kobayashi,Yusuke Koshio,K. Martens,M. Miura,Masayuki Nakahata,S. Nakayama,A. Okada,M. Oketa,Ko Okumura,M. Ota,Nobuyuki Sakurai,Masato Shiozawa,Yasunari Suzuki,Y. Takeuchi,Y. Totsuka,S. Yamada,M. Earl,Alec Habig,J. T. Hong,E. Kearns,S. B. Kim,M. Masuzawa,M. D. Messier,Kate Scholberg,J. L. Stone,L. R. Sulak,C. W. Walter,M. Goldhaber,T. Barszczak,W. Gajewski,P. G. Halverson,J. Hsu,W. R. Kropp,L. R. Price,Frederick Reines,H. W. Sobel,M. R. Vagins,K. S. Ganezer,W. E. Keig,R. W. Ellsworth,Shigeki Tasaka,J. W. Flanagan,A. Kibayashi,J. G. Learned,S. Matsuno,V. J. Stenger,D. Takemori,T. Ishii,Junichi Kanzaki,T. Kobayashi,K. Nakamura,K. Nishikawa,Yuichi Oyama,A. Sakai,Makoto Sakuda,Osamu Sasaki,S. Echigo,M. Kohama,Atsumu Suzuki,T. J. Haines,E. Blaufuss,R. Sanford,R. Svoboda,M. L. Chen,Z. Conner,J. A. Goodman,G. W. Sullivan,Masaki Mori,John Hill,C. K. Jung,C. Mauger,C. McGrew,E. Sharkey,B. Viren,C. Yanagisawa,W. Doki,T. Ishizuka,Y. Kitaguchi,H. Koga,Kazumasa Miyano,H. Okazawa,C. Saji,M. Takahata,A. Kusano,Y. Nagashima,M. Takita,Takashi Yamaguchi,Michitoshi Yoshida,M. Etoh,K. Fujita,Akira Hasegawa,Takehisa Hasegawa,S. Hatakeyama,T. Iwamoto,T. Kinebuchi,M. Koga,Tomoyuki Maruyama,H. Ogawa,A. T. Suzuki,F. Tsushima,M. Koshiba,M. Nemoto,K. Nishijima,T. Futagami,Y. Hayato,Y. Kanaya,K. Kaneyuki,Y. Watanabe,D. Kielczewska,R. A. Doyle,J. S. George,A. L. Stachyra,L. Wai,J. Wilkes,K. K. Young +125 more
Journal ArticleDOI
Study of nonstandard neutrino interactions with atmospheric neutrino data in Super-Kamiokande i and II
G. Mitsuka,K. Abe,Y. Hayato,T. Iida,M. Ikeda,J. Kameda,Yusuke Koshio,M. Miura,S. Moriyama,Masayuki Nakahata,S. Nakayama,Y. Obayashi,Hiroyuki Sekiya,Masato Shiozawa,Yasunari Suzuki,Atsushi Takeda,Y. Takenaga,Y. Takeuchi,Koh Ueno,K. Ueshima,Hiroshi Watanabe,S. Yamada,S. Hazama,I. Higuchi,C. Ishihara,H. Kaji,Takaaki Kajita,K. Kaneyuki,H. Nishino,Ko Okumura,N. Tanimoto,Frédéric Dufour,E. Kearns,E. Kearns,Michael Litos,J. L. Raaf,J. L. Stone,J. L. Stone,L. R. Sulak,M. Goldhaber,K. Bays,J. P. Cravens,W. R. Kropp,S. Mine,C. Regis,M. B. Smy,M. B. Smy,H. W. Sobel,H. W. Sobel,M. R. Vagins,M. R. Vagins,K. S. Ganezer,John Hill,W. E. Keig,J. S. Jang,J. Y. Kim,I. T. Lim,Justin Albert,Kate Scholberg,Kate Scholberg,C. W. Walter,C. W. Walter,R. A. Wendell,T. Ishizuka,Shigeki Tasaka,J. G. Learned,S. Matsuno,Y. Watanabe,Takehisa Hasegawa,T. Ishida,T. Ishii,T. Kobayashi,T. Nakadaira,K. Nakamura,K. Nishikawa,Yuichi Oyama,K. Sakashita,T. Sekiguchi,T. Tsukamoto,A. T. Suzuki,A. Minamino,Tsuyoshi Nakaya,Tsuyoshi Nakaya,Masashi Yokoyama,Y. Fukuda,Yoshitaka Itow,Tetsuya S. Tanaka,C. K. Jung,G. D. Lopez,C. McGrew,C. Yanagisawa,N. Tamura,Y. Idehara,Makoto Sakuda,Y. Kuno,Minoru Yoshida,S. B. Kim,B. S. Yang,H. Okazawa,Y. Choi,H. Seo,Y. Furuse,K. Nishijima,Y. Yokosawa,M. Koshiba,Y. Totsuka,Song Chen,J. Liu,Y. Heng,Zishuo Yang,Haoxiong Zhang,D. Kielczewska,K. Connolly,E. Thrane,R. J. Wilkes +114 more
TL;DR: In this paper, the authors study nonstandard neutrino interactions as an example of physics beyond the standard model using atmospheric neutrinos data collected during the Super-Kamiokande I (1996--2001) and II (2003--2005) periods.
Journal ArticleDOI
Supernova Relic Neutrino Search with Neutron Tagging at Super-Kamiokande-IV
H. Zhang,K. Abe,Y. Hayato,K. Iyogi,J. Kameda,Yasuhiro Kishimoto,M. Miura,S. Moriyama,Masayuki Nakahata,Yuuki Nakano,S. Nakayama,Hiroyuki Sekiya,Masato Shiozawa,Yasunari Suzuki,Atsushi Takeda,Y. Takenaga,T. Tomura,Koh Ueno,T. Yokozawa,R. A. Wendell,H. Kaji,Takaaki Kajita,K. Kaneyuki,K. P. Lee,Y. Nishimura,Kimihiro Okumura,T. McLachlan,L. Labarga,S. Barkman,T.S. Tanaka,S. Tobayama,E. Kearns,J. L. Raaf,J. L. Stone,L. R. Sulak,M. Goldhaber,K. Bays,G. Carminati,W. R. Kropp,S. Mine,A. L. Renshaw,M. B. Smy,H. W. Sobel,K. S. Ganezer,John Hill,W. E. Keig,J. S. Jang,J. Y. Kim,I. T. Lim,T. Akiri,Kate Scholberg,C. W. Walter,T. Wongjirad,T. Ishizuka,Shigeki Tasaka,J. G. Learned,S. Matsuno,S. N. Smith,T. Hasegawa,T. Ishida,T. Ishii,T. Kobayashi,T. Nakadaira,K. Nakamura,K. Nishikawa,Yuichi Oyama,K. Sakashita,T. Sekiguchi,T. Tsukamoto,A. T. Suzuki,Y. Takeuchi,K. Ieki,M. Ikeda,H. Kikawa,K. Huang,A. Minamino,A. Murakami,Tsuyoshi Nakaya,Kazuhiro Suzuki,Susumu Takahashi,Y. Fukuda,K. Choi,Yoshitaka Itow,G. Mitsuka,P. Mijakowski,Joshua Hignight,J. Imber,C. K. Jung,I. Taylor,C. Yanagisawa,Hirokazu Ishino,A. Kibayashi,Yusuke Koshio,Takaaki Mori,Makoto Sakuda,R. Yamaguchi,T. Yano,Y. Kuno,R. Tacik,S. B. Kim,H. Okazawa,Y. Choi,K. Nishijima,M. Koshiba,Y. Totsuka,Masashi Yokoyama,K. Martens,Ll. Marti,M. Vagins,J. F. Martin,P. dePerio,A. Konaka,M. J. Wilking,Song Chen,H. Sui,Zishuo Yang,Yejin Zhang,K. Connolly,M. Dziomba,R. J. Wilkes +119 more
TL;DR: In this paper, a search for Supernova Relic Neutrinos ν ¯ e ’s was conducted via inverse-beta-decay by tagging neutron capture on hydrogen at Super-Kamiokande-IV.