Y
Y. Ashie
Researcher at University of Tokyo
Publications - 14
Citations - 2094
Y. Ashie 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 10, co-authored 11 publications receiving 2041 citations.
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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
Evidence for an Oscillatory Signature in Atmospheric Neutrino Oscillations
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,Yasunari Suzuki,Y. Takeuchi,K. Taki,Shinya Yamada,Masaki Ishitsuka,Takaaki Kajita,K. Kaneyuki,Shoei Nakayama,A. Okada,Ko Okumura,T. Ooyabu,C. Saji,Y. Takenaga,Shantanu Desai,E. Kearns,S. Likhoded,J. L. Stone,L. R. Sulak,C. W. Walter,W. Wang,M. Goldhaber,David William Casper,J. P. Cravens,W. Gajewski,W. R. Kropp,D. W. Liu,S. Mine,Michael B. Smy,H. 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,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,T. Kobayashi,Tomoyuki Maruyama,K. 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,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,Y. Nagashima,M. Takita,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,R. Nishimura,Y. Watanabe,D. Kielczewska,D. Kielczewska,J. Zalipska,H. G. Berns,R. Gran,K. K. Shiraishi,A. L. Stachyra,K. Washburn,R. J. Wilkes +139 more
TL;DR: A dip in the L/E distribution was observed in the data, as predicted from the sinusoidal flavor transition probability of neutrino oscillation, which constrained nu(micro)<-->nu(tau) neutrinos oscillation parameters.
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.
Journal ArticleDOI
Precise measurement of the solar neutrino day-night and seasonal variation in Super-Kamiokande-I
Michael B. Smy,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,Yasunari Suzuki,H. Takeuchi,Y. Takeuchi,Shinya Yamada,M. Ishitsuka,Takaaki Kajita,K. Kaneyuki,Shoei Nakayama,A. Okada,T. Ooyabu,C. Saji,Shantanu Desai,M. Earl,E. Kearns,M. D. Messier,J. L. Stone,L. R. Sulak,C. W. Walter,W. Wang,M. Goldhaber,T. Barszczak,David William Casper,W. Gajewski,W. R. Kropp,S. Mine,D. W. Liu,H. W. Sobel,Mark R. Vagins,A. M. Gago,K. S. Ganezer,John Hill,W. E. Keig,J. Y. Kim,I. T. Lim,R. W. Ellsworth,Shigeki Tasaka,A. Kibayashi,J. G. Learned,S. Matsuno,D. Takemori,Y. Hayato,A. K. Ichikawa,T. Ishii,J. Kameda,Takashi Kobayashi,Tomoyuki Maruyama,K. Nakamura,K. Nitta,Yuichi Oyama,Makoto Sakuda,Y. Totsuka,Michitoshi Yoshida,T. Iwashita,Atsumu Suzuki,T. Inagaki,I. Kato,Tsuyoshi Nakaya,K. Nishikawa,T. J. Haines,T. J. Haines,S. Dazeley,S. Hatakeyama,R. Svoboda,E. Blaufuss,J. A. Goodman,G. Guillian,G. W. Sullivan,D. Turcan,Kate Scholberg,Alec Habig,M. Ackermann,C. K. Jung,T. Kato,Katsuhiro Kobayashi,K. Martens,Magdalena Malek,C. Mauger,C. McGrew,E. Sharkey,B. Viren,B. Viren,C. Yanagisawa,T. Toshito,C. Mitsuda,Kazumasa Miyano,T. Shibata,Y. Kajiyama,Y. Nagashima,M. Takita,Hyosun Kim,S. B. Kim,J. Yoo,H. Okazawa,T. Ishizuka,Y. Choi,H. Seo,M. Etoh,Y. Gando,Takehisa Hasegawa,Kunio Inoue,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 +132 more
TL;DR: The time variation of the elastic scattering rate of solar neutrinos with electrons in Super-Kamiokande-I was fit to the variations expected from active two-neutrino oscillations as discussed by the authors.
Journal ArticleDOI
Limits on the neutrino magnetic moment using 1496 days of Super-Kamiokande-I solar neutrino data.
D. W. Liu,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,Shantanu Desai,M. Earl,E. Kearns,M. D. Messier,M. D. Messier,J. L. Stone,L. R. Sulak,C. W. Walter,W. Wang,T. Barszczak,David William Casper,J. P. Cravens,W. Gajewski,W. R. Kropp,S. Mine,Michael B. Smy,H. W. Sobel,C. W. Sterner,Mark R. Vagins,K. S. Ganezer,J. Hill,W. E. Keig,J. Y. Kim,I. T. Lim,R. W. Ellsworth,Shigeki Tasaka,A. Kibayashi,John G. Learned,S. Matsuno,D. Takemori,Y. Hayato,A. K. Ichikawa,T. Ishida,T. Ishii,T. Iwashita,J. Kameda,T. Kobayashi,T. 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,T. J. Haines,T. J. Haines,S. Dazeley,S. Hatakeyama,R. Svoboda,E. Blaufuss,J. A. Goodman,G. Guillian,G. W. Sullivan,D. Turcan,Kate Scholberg,Alec Habig,M. Ackermann,C. K. Jung,T. Kato,Katsuhiro Kobayashi,K. Martens,K. Martens,Magdalena Malek,C. Mauger,C. McGrew,E. Sharkey,B. Viren,B. Viren,C. Yanagisawa,T. Toshito,C. Mitsuda,Kazumasa Miyano,T. Shibata,J. Ishii,Y. Kajiyama,Yoshitaka Kuno,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,Hirokazu Ishino,Mikio Morii,R. Nishimura,Y. Watanabe,D. Kielczewska,D. Kielczewska,J. Zalipska,R. Gran,K. K. Shiraishi,K. Washburn,R. J. Wilkes +143 more
TL;DR: In this article, the effect of neutrino oscillation on the shapes of energy spectra was considered and a limit of micro(nu) = 3.6x10(-10))micro(B) at 90% C.L. was obtained.