N
Nobuyuki Sakurai
Researcher at Osaka City University
Publications - 98
Citations - 7248
Nobuyuki Sakurai is an academic researcher from Osaka City University. The author has contributed to research in topics: Telescope & Cosmic ray. The author has an hindex of 39, co-authored 98 publications receiving 6710 citations. Previous affiliations of Nobuyuki Sakurai include University of Tokyo.
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Journal ArticleDOI
Indications of neutrino oscillation in a 250 km long-baseline experiment.
M. H. Ahn,Shigeki Aoki,H. C. Bhang,S. B. Boyd,David William Casper,J. H. Choi,S. Fukuda,Y. Fukuda,W. Gajewski,T. Hara,Masaya Hasegawa,Takehisa Hasegawa,Y. Hayato,J. Hill,A. K. Ichikawa,A. Ikeda,T. Inagaki,T. Ishida,T. Ishii,M. Ishitsuka,Yoshitaka Itow,T. Iwashita,H. I. Jang,J. S. Jang,E. J. Jeon,C. K. Jung,Takaaki Kajita,J. Kameda,K. Kaneyuki,I. Kato,E. Kearns,A. Kibayashi,D. Kielczewska,Ken-ichiro Kobayashi,Beom Jun Kim,C. O. Kim,J. Y. Kim,S. B. Kim,Takashi Kobayashi,M. Kohama,Yusuke Koshio,W. R. Kropp,John G. Learned,S. H. Lim,I. T. Lim,H. Maesaka,K. Martens,Tomoyuki Maruyama,S. Matsuno,C. Mauger,C. McGrew,S. Mine,M. Miura,Kazumasa Miyano,Shigetaka Moriyama,Masayuki Nakahata,Koji Nakamura,Itsuo Nakano,F. Nakata,Tsuyoshi Nakaya,Shoei Nakayama,Toshio Namba,K. Nishikawa,Shogo Nishiyama,Susumu Noda,A. Obayashi,A. Okada,T. Ooyabu,Yuichi Oyama,M. Y. Pac,Hwangseo Park,Makoto Sakuda,Nobuyuki Sakurai,N. Sasao,Kate Scholberg,E. Sharkey,Masato Shiozawa,H. So,H. W. Sobel,A. L. Stachyra,J. L. Stone,Y. Suga,L. R. Sulak,Atsumu Suzuki,Yasunari Suzuki,Y. Takeuchi,N. Tamura,T. Toshito,Y. Totsuka,Mark R. Vagins,C. W. Walter,R. J. Wilkes,Shinya Yamada,Shoji Yamamoto,C. Yanagisawa,H. Yokoyama,J. Yoo,Minoru Yoshida,J. Zalipska +98 more
TL;DR: The K2K experiment observed indications of neutrino oscillation after 250 km flight of υμ. as mentioned in this paper The observed number of events in the data corresponding to 4.8 x 1019 protons on target is 56, while 80.1 5.4 + 6.2 is expected.
Journal ArticleDOI
Measurement of neutrino oscillation by the K2K experiment
M. H. Ahn,E. Aliu,S. Andringa,Shigeki Aoki,Y. Aoyama,J. Argyriades,K. Asakura,R. Ashie,F. Berghaus,H. G. Berns,H. C. Bhang,A. Blondel,Silvia Borghi,J. Bouchez,S. C. Boyd,Jordi Burguet-Castell,David William Casper,J. Catala,C. Cavata,A. Cervera,Shaomin Chen,K. O. Cho,J. H. Choi,U. Dore,S. Echigo,X. Espinal,M. Fechner,E. Fernandez,K. Fujii,Y. Fujii,S. Fukuda,Y. Fukuda,J.J. Gómez-Cadenas,R. Gran,T. Hara,Masaya Hasegawa,Takehisa Hasegawa,K. Hayashi,Y. Hayato,R. L. Helmer,I. Higuchi,J. Hill,Katsuki Hiraide,E. Hirose,J. Hosaka,A. K. Ichikawa,Masaharu Ieiri,Masataka Iinuma,A. Ikeda,T. Inagaki,T. Ishida,K. Ishihara,H. Ishii,T. Ishii,Hirokazu Ishino,Masaki Ishitsuka,Yoshitaka Itow,T. Iwashita,H. I. Jang,J. S. Jang,E. J. Jeon,I. S. Jeong,K. K. Joo,G. Jover,C. K. Jung,Takaaki Kajita,J. Kameda,K. Kaneyuki,B. H. Kang,I. Kato,Y. Kato,E. Kearns,D. Kerr,C. O. Kim,M. M. Khabibullin,A. N. Khotjantsev,D. Kielczewska,Beom Jun Kim,Hyosun Kim,J.H. Kim,J. Y. Kim,S. B. Kim,M. Kitamura,P. Kitching,Katsuhiro Kobayashi,Takashi Kobayashi,M. Kohama,A. Konaka,Yusuke Koshio,W. R. Kropp,J. Kubota,Yu. Kudenko,G. Kume,Yoshitaka Kuno,Y. Kurimoto,T. Kutter,T. Kutter,John G. Learned,S. Likhoded,I. T. Lim,S. H. Lim,P. F. Loverre,L. Ludovici,H. Maesaka,J. Mallet,C. Mariani,K. Martens,Tomoyuki Maruyama,S. Matsuno,V. A. Matveev,C. Mauger,K. B. McConnel Mahn,C. McGrew,S P Mikheyev,M. Minakawa,A. Minamino,S. Mine,O. V. Mineev,C. Mitsuda,G. Mitsuka,M. Miura,Y. Moriguchi,Taichi Morita,Shigetaka Moriyama,T. Nakadaira,Masayuki Nakahata,K. Nakamura,Itsuo Nakano,F. Nakata,Tsuyoshi Nakaya,Shoei Nakayama,Toshio Namba,R. Nambu,S. Nawang,K. Nishikawa,H. Nishino,Shogo Nishiyama,K. Nitta,Susumu Noda,Hiroyuki Noumi,F. Nova,P. Novella,Y. Obayashi,A. Okada,Ko Okumura,M. Okumura,M. Onchi,T. Ooyabu,S. M. Oser,T. Otaki,Yuichi Oyama,M. Y. Pac,H. Park,F. Pierre,A. Rodriguez,C. Saji,A. Sakai,Makoto Sakuda,Nobuyuki Sakurai,Federico Sanchez,A. Sarrat,Takanori Sasaki,Hiroshi Sato,K. Sato,Kate Scholberg,Kate Scholberg,R. Schroeter,M. Sekiguchi,E. Seo,E. Sharkey,A. Shima,Masato Shiozawa,K. K. Shiraishi,G. Sitjes,Michael B. Smy,H. So,Henry W. Sobel,M. Sorel,J. L. Stone,Lawrence Sulak,Y. Suga,A. Suzuki,Yoshihiro Suzuki,M. Tada,Tadayuki Takahashi,M. Takasaki,M. Takatsuki,Y. Takenaga,K. Takenaka,H. Takeuchi,Y. Takeuchi,K. Taki,Y. Takubo,N. Tamura,H. Tanaka,Kenichi Tanaka,Masaaki Tanaka,Y. Tanaka,K. Tashiro,R. Terri,Stephane T'Jampens,A. Tornero-Lopez,T. Toshito,Y. Totsuka,S. Ueda,Mark R. Vagins,L. Whitehead,C. W. Walter,W. Wang,R. J. Wilkes,Shinya Yamada,Y. Yamada,Shoji Yamamoto,Y. Yamanoi,C. Yanagisawa,N. Yershov,H. Yokoyama,Masashi Yokoyama,J. Yoo,Minoru Yoshida,J. Zalipska +220 more
TL;DR: In this article, measurements of {nu}{sub {mu}} disappearance in K2K, the KEK to Kamioka long-baseline neutrino oscillation experiment are presented.
Journal ArticleDOI
Measurement of the Flux and Zenith-Angle Distribution of Upward Throughgoing Muons by Super-Kamiokande
Y. Fukuda,T. Hayakawa,E. Ichihara,Kunio Inoue,K. Ishihara,H. Ishino,Yoshitaka Itow,Takaaki Kajita,J. Kameda,S. Kasuga,Ken-ichiro Kobayashi,Y. Kobayashi,Yusuke Koshio,M. Miura,Masayuki Nakahata,Shoei Nakayama,A. Okada,Ko Okumura,Nobuyuki Sakurai,Masato Shiozawa,Yasunari Suzuki,Y. Takeuchi,Y. Totsuka,Shinya Yamada,M. Earl,Alec Habig,E. Kearns,M. D. Messier,Kate Scholberg,J. L. Stone,L. R. Sulak,C. W. Walter,M. Goldhaber,T. Barszczak,David William Casper,W. Gajewski,W. R. Kropp,L. R. Price,Frederick Reines,Michael B. Smy,H. W. Sobel,Mark R. Vagins,K. S. Ganezer,W. E. Keig,R. W. Ellsworth,S. Tasaka,J. W. Flanagan,A. Kibayashi,John G. Learned,S. Matsuno,V. J. Stenger,D. Takemori,T. Ishii,Junichi Kanzaki,T. Kobayashi,S. Mine,K. Nakamura,K. Nishikawa,Yuichi Oyama,A. Sakai,Makoto Sakuda,Osamu Sasaki,S. Echigo,M. Kohama,Atsumu Suzuki,Todd Haines,Todd Haines,E. Blaufuss,B. K. Kim,R. Sanford,R. Svoboda,M. L. Chen,J. A. Goodman,G. W. Sullivan,J. Hill,C. K. Jung,K. Martens,C. Mauger,C. McGrew,E. Sharkey,B. Viren,C. Yanagisawa,W. Doki,Kazumasa Miyano,H. Okazawa,C. Saji,M. Takahata,Y. Nagashima,M. Takita,Takashi Yamaguchi,Minoru Yoshida,Soo-Bong Kim,M. Etoh,K. Fujita,Akira Hasegawa,Takehisa Hasegawa,S. Hatakeyama,T. Iwamoto,M. Koga,Tomoyuki Maruyama,Hiroshi Ogawa,J. Shirai,A. Suzuki,F. Tsushima,Masatoshi Koshiba,M. Nemoto,Kyoshi Nishijima,T. Futagami,Y. Hayato,Y. Kanaya,K. Kaneyuki,Y. Watanabe,D. Kielczewska,D. Kielczewska,R. A. Doyle,J. S. George,J. S. George,A. L. Stachyra,L. Wai,L. Wai,R. J. Wilkes,K. K. Young +121 more
TL;DR: A total of 614 upward throughgoing muons were observed by Super-Kamiokande during 537 detector live days and the measured muon flux is [1.74{plus_minus} 0.02(sys)]{times} 10{sup {minus}13} cm{sup 2}thinsp2{theta} {gt}0.
Journal ArticleDOI
Indications of intermediate-scale anisotropy of cosmic rays with energy greater than 57 EeV in the northern sky measured with the surface detector of the Telescope Array experiment
Rasha Abbasi,M. Abe,Tareq Abu-Zayyad,M. Allen,Robert M. Anderson,R. Azuma,Elliott Barcikowski,John Belz,Douglas Bergman,Samuel Blake,Robert Cady,M. J. Chae,Byung Gu Cheon,Jyunsei Chiba,Michiyuki Chikawa,W. R. Cho,Takahiro Fujii,Masaki Fukushima,T. Goto,William Hanlon,Y. Hayashi,Naoaki Hayashida,K. Hibino,K. Honda,Daisuke Ikeda,N. Inoue,Takaaki Ishii,R. Ishimori,Hidemi Ito,Dmitri Ivanov,C. C. H. Jui,Kenichi Kadota,Fumio Kakimoto,Oleg Kalashev,K. Kasahara,H. Kawai,S. Kawakami,Shingo Kawana,Kazumasa Kawata,Eiji Kido,Hang Bae Kim,J. H. Kim,S. Kitamura,Yasunori Kitamura,Vladim Kuzmin,Y. J. Kwon,J. Lan,S. I. Lim,J. P. Lundquist,Kazuhiro Machida,K. Martens,Tomohiro Matsuda,T. Matsuyama,John N. Matthews,Mayuko Minamino,Keijiro Mukai,Isaac Myers,K. Nagasawa,Shigehiro Nagataki,Toru Nakamura,Toshiyuki Nonaka,A. Nozato,Shoichi Ogio,J. Ogura,M. Ohnishi,Hideyuki Ohoka,K. Oki,T. Okuda,Masaomi Ono,Akitoshi Oshima,S. Ozawa,Inkyu Park,Maxim Pshirkov,D. C. Rodriguez,Grigory Rubtsov,Dongsu Ryu,Hiroyuki Sagawa,Nobuyuki Sakurai,A. L. Sampson,L. M. Scott,Priti Shah,Fumiya Shibata,T.-A. Shibata,Hideaki Shimodaira,Bokkyun Shin,J. D. Smith,Pierre Sokolsky,R. W. Springer,B. T. Stokes,S. R. Stratton,S. R. Stratton,Tom Stroman,T. Suzawa,Mai Takamura,M. Takeda,Ryuji Takeishi,Akimichi Taketa,Masato Takita,Yuichiro Tameda,Hideki Tanaka,Kenichi Tanaka,M. Tanaka,S. B. Thomas,Gordon Thomson,Peter Tinyakov,Igor Tkachev,H. Tokuno,Takayuki Tomida,Sergey Troitsky,Yoshiki Tsunesada,K. Tsutsumi,Y. Uchihori,S. Udo,Federico R. Urban,G. Vasiloff,Tiffany Wong,R. Yamane,Hiroshi Yamaoka,K. Yamazaki,J. Yang,Kenta Yashiro,Y. Yoneda,S. Yoshida,H. Yoshii,R. Zollinger,Zach Zundel +125 more
TL;DR: In this paper, the authors search for intermediate-scale anisotropy in the arrival directions of ultra-high-energy cosmic rays with energies above 57 EeV in the northern sky using data collected over a 5-year period by the surface detector of the Telescope Array experiment.
Journal ArticleDOI
Search for dark matter WIMPs using upward through-going muons in Super-Kamiokande
Shantanu Desai,Y. Ashie,S. Fukuda,Y. Fukuda,K. Ishihara,Yoshitaka Itow,Yusuke Koshio,A. Minamino,M. Miura,Shigetaka Moriyama,Masayuki Nakahata,Toshio Namba,R. Nambu,Y. Obayashi,Nobuyuki Sakurai,Masato Shiozawa,Yoshihiro Suzuki,H. Takeuchi,Y. Takeuchi,Shinya Yamada,M. Ishitsuka,Takaaki Kajita,K. Kaneyuki,Shoei Nakayama,A. Okada,T. Ooyabu,C. Saji,M. Earl,E. Kearns,J. L. Stone,Lawrence Sulak,C. W. Walter,W. Wang,M. Goldhaber,T. Barszczak,David William Casper,J. P. Cravens,W. Gajewski,W. R. Kropp,S. Mine,D. W. Liu,Michael B. Smy,H. W. Sobel,C. W. Sterner,Mark R. Vagins,K. S. Ganezer,John Hill,W. E. Keig,J. Y. Kim,I. T. Lim,R. W. Ellsworth,S. Tasaka,G. Guillian,A. Kibayashi,J. G. Learned,S. Matsuno,D. Takemori,M. D. Messier,Y. Hayato,A. K. Ichikawa,T. Ishida,T. Ishii,T. Iwashita,J. Kameda,T. Kobayashi,Tomoyuki Maruyama,Kenzo Nakamura,K. Nitta,Yuichi Oyama,Makoto Sakuda,Y. Totsuka,Atsumu Suzuki,Masaya Hasegawa,K. Hayashi,T. Inagaki,I. Kato,H. Maesaka,Taichi Morita,Tsuyoshi Nakaya,K. Nishikawa,T. Sasaki,S. Ueda,Shoji Yamamoto,Todd Haines,Todd Haines,S. Dazeley,S. Hatakeyama,R. Svoboda,E. Blaufuss,J. A. Goodman,G. W. Sullivan,D. Turcan,Kate Scholberg,Alec Habig,C. K. Jung,T. Kato,Katsuhiro Kobayashi,Magdalena Malek,C. Mauger,C. McGrew,A. Sarrat,E. Sharkey,C. Yanagisawa,T. Toshito,C. Mitsuda,Kazumasa Miyano,T. Shibata,Y. Kajiyama,Y. Nagashima,M. Takita,Minoru Yoshida,Hyosun Kim,S. B. Kim,J. Yoo,H. Okazawa,T. Ishizuka,Y. Choi,H. Seo,Y. Gando,Takehisa Hasegawa,Kunio Inoue,J. Shirai,A. Suzuki,Masatoshi Koshiba,T. Hashimoto,Y. Nakajima,Kyoshi Nishijima,T. Harada,Hirokazu Ishino,Mikio Morii,R. Nishimura,Y. Watanabe,D. Kielczewska,D. Kielczewska,J. Zalipska,R. Gran,K. K. Shiraishi,K. Washburn,R. J. Wilkes +138 more
TL;DR: The results of indirect searches for Weakly Interacting Massive Particles (WIMPs) with 1679.6 live days of data from the Super-Kamiokande detector using neutrino-induced upward through-going muons are presented in this paper.