T
Toshio Namba
Researcher at University of Tokyo
Publications - 98
Citations - 7586
Toshio Namba is an academic researcher from University of Tokyo. The author has contributed to research in topics: Positronium & Hyperfine structure. The author has an hindex of 32, co-authored 96 publications receiving 7238 citations.
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Journal ArticleDOI
The Super-Kamiokande detector
S. Fukuda,Y. Fukuda,T. Hayakawa,E. Ichihara,M. Ishitsuka,Yoshitaka Itow,Takaaki Kajita,J. Kameda,K. Kaneyuki,S. Kasuga,K. Kobayashi,Y. Kobayashi,Yusuke Koshio,M. Miura,S. Moriyama,Masayuki Nakahata,S. Nakayama,Toshio Namba,Y. Obayashi,A. Okada,M. Oketa,Kimihiro Okumura,T. Oyabu,N. Sakurai,Masato Shiozawa,Yoshihiro Suzuki,Y. Takeuchi,T. Toshito,Y. Totsuka,Shoichi Yamada,S. Desai,M. Earl,J. T. Hong,E. Kearns,M. Masuzawa,M. D. Messier,M. D. Messier,J. L. Stone,L. R. Sulak,C. W. Walter,W. Wang,Kate Scholberg,T. Barszczak,David William Casper,D. W. Liu,W. Gajewski,P. G. Halverson,J. Hsu,W. R. Kropp,S. Mine,L. R. Price,Frederick Reines,M. B. Smy,Henry W. Sobel,M. 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,Y. Hayato,T. Ishii,A. K. Ichikawa,Junichi Kanzaki,T. Kobayashi,T. Maruyama,Koji Nakamura,Y. Oyama,A. Sakai,Makoto Sakuda,Osamu Sasaki,S. Echigo,T. Iwashita,M. Kohama,Atsumu Suzuki,Masaya Hasegawa,T. Inagaki,I. Kato,H. Maesaka,Tsuyoshi Nakaya,K. Nishikawa,Shuji Yamamoto,Todd Haines,Todd Haines,B. K. Kim,R. Sanford,R. Svoboda,E. Blaufuss,M. L. Chen,Z. Conner,Z. Conner,J. A. Goodman,E. Guillian,G. W. Sullivan,D. Turcan,Alec Habig,M. Ackerman,Florian Goebel,J. Hill,J. Hill,C. K. Jung,T. Kato,D. Kerr,Magdalena Malek,K. Martens,C. Mauger,C. McGrew,E. Sharkey,B. Viren,B. Viren,C. Yanagisawa,W. Doki,S. Inaba,K. Ito,M. Kirisawa,M. Kitaguchi,C. Mitsuda,K. Miyano,C. Saji,M. Takahata,M. Takahashi,K. Higuchi,Y. Kajiyama,A. Kusano,Y. Nagashima,K. Nitta,M. Takita,Takashi Yamaguchi,Minoru Yoshida,Hyosun Kim,Soo-Bong Kim,J. Yoo,H. Okazawa,M. Etoh,K. Fujita,Y. Gando,Akira Hasegawa,T. Hasegawa,S. Hatakeyama,Kunio Inoue,K. Ishihara,T. Iwamoto,M. Koga,I. Nishiyama,Hiroshi Ogawa,J. Shirai,A. Suzuki,T. Takayama,F. Tsushima,M. Koshiba,Y. Ichikawa,T. Hashimoto,Y. Hatakeyama,M. Koike,T. Horiuchi,M. Nemoto,K. Nishijima,H. Takeda,H. Fujiyasu,T. Futagami,Hirokazu Ishino,Y. Kanaya,Mikio Morii,H. Nishihama,Hiroaki Nishimura,Toshio Suzuki,Y. Watanabe,D. Kielczewska,D. Kielczewska,U. Golebiewska,H. G. Berns,S. B. Boyd,S. B. Boyd,R. A. Doyle,J. S. George,J. S. George,A. L. Stachyra,A. L. Stachyra,L. Wai,L. Wai,R. J. Wilkes,K. K. Young,H. Kobayashi +186 more
TL;DR: Super-Kamiokande is the world's largest water Cherenkov detector, with net mass 50,000 tons as discussed by the authors, which collected 1678 live-days of data, observing neutrinos from the Sun, Earth's atmosphere, and the K2K long-baseline neutrino beam with high efficiency.
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 atmospheric neutrino oscillation parameters by Super-Kamiokande I
Y. Ashie,J. Hosaka,K. Ishihara,Yoshitaka Itow,J. Kameda,Yusuke Koshio,A. Minamino,C. Mitsuda,M. Miura,Shigetaka Moriyama,Masayuki Nakahata,Toshio Namba,R. Nambu,Y. Obayashi,Masato Shiozawa,Yoshihiro Suzuki,Y. Takeuchi,K. Taki,Shinya Yamada,M. Ishitsuka,Takaaki Kajita,K. Kaneyuki,Shoei Nakayama,A. Okada,Ko Okumura,C. Saji,Y. Takenaga,S. Clark,Shantanu Desai,E. Kearns,S. Likhoded,J. L. Stone,L. R. Sulak,W. Wang,M. Goldhaber,David William Casper,J. P. Cravens,W. Gajewski,W. R. Kropp,D. W. Liu,S. Mine,Michael B. Smy,Henry W. Sobel,C. W. Sterner,Mark R. Vagins,K. S. Ganezer,John Hill,W. E. Keig,J. S. Jang,J. Y. Kim,I. T. Lim,Kate Scholberg,C. W. Walter,R. W. Ellsworth,S. Tasaka,G. Guillian,A. Kibayashi,John G. Learned,S. Matsuno,D. Takemori,M. D. Messier,Y. Hayato,A. K. Ichikawa,T. Ishida,T. Ishii,T. Iwashita,Takashi Kobayashi,T. Maruyama,Koji Nakamura,K. Nitta,Yuichi Oyama,Makoto Sakuda,Y. Totsuka,Atsumu Suzuki,Masaya Hasegawa,K. Hayashi,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,Alec Habig,Y. Fukuda,C. K. Jung,T. Kato,Katsuhiro Kobayashi,Magdalena Malek,C. Mauger,C. McGrew,A. Sarrat,E. Sharkey,C. Yanagisawa,T. Toshito,Kazumasa Miyano,N. Tamura,J. Ishii,Y. Kuno,Minoru Yoshida,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,Y. Nakajima,Kyoshi Nishijima,T. Harada,Hirokazu Ishino,Y. Watanabe,D. Kielczewska,D. Kielczewska,J. Zalipska,H. G. Berns,R. Gran,K. K. Shiraishi,A. L. Stachyra,K. Washburn,R. J. Wilkes +135 more
TL;DR: In this article, a combined analysis of fully-contained, partially-contained and upward-going muon atmospheric neutrino data from a 1489 d exposure of the Super-Kamiokande detector is presented.
Journal ArticleDOI
Determination of solar neutrino oscillation parameters using 1496 days of Super-Kamiokande-I data
S. Fukuda,Y. Fukuda,M. Ishitsuka,Yoshitaka Itow,Takaaki Kajita,J. Kameda,K. Kaneyuki,K. Kobayashi,Yusuke Koshio,M. Miura,S. Moriyama,Masayuki Nakahata,S. Nakayama,Toshio Namba,A. Okada,N. Sakurai,Masato Shiozawa,Yoshihiro Suzuki,H. Takeuchi,Y. Takeuchi,Y. Totsuka,Shoichi Yamada,Shantanu Desai,M. Earl,E. Kearns,M. D. Messier,J. L. Stone,L. R. Sulak,C. W. Walter,M. Goldhaber,T. Barszczak,David William Casper,W. Gajewski,W. R. Kropp,S. Mine,D. W. Liu,M. B. Smy,Henry W. Sobel,M. R. Vagins,A. M. Gago,K. S. Ganezer,W. E. Keig,R. W. Ellsworth,S. Tasaka,A. Kibayashi,John G. Learned,S. Matsuno,D. Takemori,Y. Hayato,T. Ishii,Takashi Kobayashi,T. Maruyama,Koji Nakamura,Y. Obayashi,Y. Obayashi,Y. Oyama,Makoto Sakuda,Minoru Yoshida,M. Kohama,T. Iwashita,Atsumu Suzuki,A. K. Ichikawa,A. K. Ichikawa,T. Inagaki,I. Kato,Tsuyoshi Nakaya,K. Nishikawa,Todd Haines,Todd Haines,S. Dazeley,S. Hatakeyama,R. Svoboda,E. Blaufuss,M. L. Chen,J. A. Goodman,G. Guillian,G. W. Sullivan,D. Turč,Kate Scholberg,Alec Habig,M. Ackermann,J. Hill,C. K. Jung,Magdalena Malek,K. Martens,C. Mauger,C. McGrew,E. Sharkey,B. Viren,B. Viren,C. Yanagisawa,T. Toshito,C. Mitsuda,K. Miyano,C. Saji,T. Shibata,Y. Kajiyama,Y. Nagashima,K. Nitta,M. Takita,Hyosun Kim,S. B. Kim,J. Yoo,H. Okazawa,T. Ishizuka,M. Etoh,Y. Gando,Takehisa Hasegawa,Kunio Inoue,K. Ishihara,J. Shirai,A. Suzuki,Masatoshi Koshiba,Y. Hatakeyama,Y. Ichikawa,M. Koike,Kyoshi Nishijima,Hirokazu Ishino,Mikio Morii,R. Nishimura,Y. Watanabe,D. Kielczewska,D. Kielczewska,H. G. Berns,S. C. Boyd,A. L. Stachyra,R. J. Wilkes +126 more
TL;DR: In this paper, a number of different fits to solar neutrino mixing and mass square difference were performed using 1496 days of Super-Kamiokande-I's solar NE data.
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.