Y
Y. Kajiyama
Researcher at Osaka University
Publications - 14
Citations - 3629
Y. Kajiyama is an academic researcher from Osaka University. The author has contributed to research in topics: Neutrino & Super-Kamiokande. The author has an hindex of 10, co-authored 10 publications receiving 3468 citations.
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Journal ArticleDOI
Solar 8B and hep Neutrino Measurements from 1258 Days of Super-Kamiokande Data
Y. Fukuda,M. Ishitsuka,Yoshitaka Itow,Takaaki Kajita,J. Kameda,K. Kaneyuki,K. Kobayashi,Yusuke Koshio,M. Miura,S. Moriyama,Masayuki Nakahata,S. Nakayama,A. Okada,N. Sakurai,Masato Shiozawa,Yoshihiro Suzuki,H. Takeuchi,Y. Takeuchi,T. Toshito,Y. Totsuka,Shoichi Yamada,Shantanu Desai,M. Earl,E. Kearns,M. D. Messier,Kate Scholberg,Kate Scholberg,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,L. R. Price,M. B. Smy,Henry W. Sobel,M. R. Vagins,Todd Haines,D. Kielczewska,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,Koji Nakamura,Y. Obayashi,Y. Oyama,A. Sakai,Makoto Sakuda,M. Kohama,Atsumu Suzuki,T. Inagaki,Tsuyoshi Nakaya,K. Nishikawa,E. Blaufuss,S. Dazeley,R. Svoboda,J. A. Goodman,G. Guillian,G. W. Sullivan,D. Turcan,Alec Habig,J. Hill,C. K. Jung,K. Martens,K. Martens,Magdalena Malek,C. Mauger,C. McGrew,E. Sharkey,B. Viren,C. Yanagisawa,C. Mitsuda,K. Miyano,C. Saji,T. Shibata,Y. Kajiyama,Y. Nagashima,K. Nitta,M. Takita,Minoru Yoshida,Heekyong Kim,Soo-Bong Kim,J. Yoo,H. Okazawa,T. Ishizuka,M. Etoh,Y. Gando,Takehisa Hasegawa,Kunio Inoue,K. Ishihara,Tomoyuki Maruyama,J. Shirai,A. Suzuki,Masatoshi Koshiba,Y. Hatakeyama,Y. Ichikawa,M. Koike,Kyoshi Nishijima,H. Fujiyasu,Hirokazu Ishino,M. Morii,Y. Watanabe,U. Golebiewska,S. C. Boyd,A. L. Stachyra,R. J. Wilkes,B. Lee +117 more
TL;DR: Solar neutrino measurements from 1258 days of data from the Super-Kamiokande detector are presented and the recoil electron energy spectrum is consistent with no spectral distortion.
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
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
Constraints on neutrino oscillations using 1258 days of Super-Kamiokande solar neutrino 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,A. Okada,N. Sakurai,Masato Shiozawa,Yoshihiro Suzuki,H. Takeuchi,Y. Takeuchi,T. Toshito,Y. Totsuka,Shoichi Yamada,Shantanu Desai,M. Earl,E. Kearns,M. D. Messier,Kate Scholberg,Kate Scholberg,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,L. R. Price,M. B. Smy,Henry W. Sobel,M. R. Vagins,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,Koji Nakamura,Y. Obayashi,Y. Oyama,A. Sakai,Makoto Sakuda,M. Kohama,Atsumu Suzuki,T. Inagaki,Tsuyoshi Nakaya,K. Nishikawa,Todd Haines,Todd Haines,E. Blaufuss,E. Blaufuss,S. Dazeley,K. B. Lee,K. B. Lee,R. Svoboda,J. A. Goodman,G. Guillian,G. W. Sullivan,D. Turcan,Alec Habig,J. Hill,C. K. Jung,K. Martens,K. Martens,Magdalena Malek,C. Mauger,C. McGrew,E. Sharkey,B. Viren,C. Yanagisawa,C. Mitsuda,K. Miyano,C. Saji,T. Shibata,Y. Kajiyama,Y. Nagashima,K. Nitta,M. Takita,Minoru Yoshida,Heekyong Kim,Soo-Bong Kim,J. Yoo,H. Okazawa,T. Ishizuka,M. Etoh,Y. Gando,Takehisa Hasegawa,Kunio Inoue,K. Ishihara,Tomoyuki Maruyama,J. Shirai,A. Suzuki,Masatoshi Koshiba,Y. Hatakeyama,Y. Ichikawa,M. Koike,Kyoshi Nishijima,H. Fujiyasu,Hirokazu Ishino,M. Morii,Y. Watanabe,U. Golebiewska,D. Kielczewska,D. Kielczewska,S. C. Boyd,A. L. Stachyra,R. J. Wilkes,K. K. Young +123 more
TL;DR: The absence of significant zenith angle variation and spectrum distortion places strong constraints on neutrino mixing and mass difference in a flux-independent way, and two allowed regions at large mixing are found.
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.