Y
Y. Iwasaki
Researcher at University of Tsukuba
Publications - 338
Citations - 6397
Y. Iwasaki is an academic researcher from University of Tsukuba. The author has contributed to research in topics: Quantum chromodynamics & Quark. The author has an hindex of 40, co-authored 325 publications receiving 6181 citations. Previous affiliations of Y. Iwasaki include KEK & University of Tokyo.
Papers
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CP-PACS Collaboration:
Sinya Aoki,G. Boyd,R. Burkhalter,Shoji Hashimoto,N. Ishizuka,Y. Iwasaki,Kazuyuki Kanaya,Takashi Kaneko,Yoshinobu Kuramashi,Masanori Okawa,Akira Ukawa +10 more
TL;DR: In this paper, a status report is made of an on-going full QCD study on the CP-PACS aiming at a comparative analysis of the improving gauge and quark actions on hadronic quantities and static quark potential.
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Renormalization group analysis of lattice theories and improved lattice action: Two-dimensional non-linear O( N) sigma model
TL;DR: In this article, a block-spin renormalization group analysis is made for the two-dimensional nonlinear O(N) sigma model, and an improved action is obtained in such a way that it is closest to the renormalized trajectory.
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A measurement of the branching fraction for the inclusive B→Xsγ decays with the Belle detector
Kazuo Abe,Iki Adachi,Byoung Sup Ahn,Hiroaki Aihara,M. Akatsu,G. Alimonti,K. Aoki,Kiyoshi Asai,Y. Asano,T. Aso,V.M. Aulchenko,T. Aushev,A. M. Bakich,Elzbieta Banas,W. Bartel,S. Behari,Prafulla Kumar Behera,D. Beiline,A. Bondar,A. Bozek,T. E. Browder,B. C. K. Casey,P. Chang,Yuan Chao,Byung Gu Cheon,Steve K. Choi,Young-Il Choi,Y. Doi,J. Dragic,A. Drutskoy,S.I. Eidelman,Y. Enari,Ryoji Enomoto,F. Fang,H. Fujii,Chikara Fukunaga,Masaki Fukushima,A. Garmash,Ascelin Gordon,K. Gotow,H. Guler,R. Guo,J. Haba,H. Hamasaki,Kazunori Hanagaki,F. Handa,K. Hara,T. Hara,Tomiyoshi Haruyama,N. C. Hastings,K. Hayashi,H. Hayashii,Masashi Hazumi,E. M. Heenan,Y. Higasino,I. Higuchi,T. Higuchi,H. Hirano,T. Hojo,Y. Hoshi,W. S. Hou,Shih-Chieh Hsu,Hsuan Cheng Huang,S. Ichizawa,Y. Igarashi,Toru Iijima,Hirokazu Ikeda,K. Ikeda,K. Inami,A. Ishikawa,Hirokazu Ishino,R. Itoh,Go Iwai,Hiroyuki Iwasaki,Y. Iwasaki,D. J. Jackson,P. Jalocha,H. K. Jang,M. D. Jones,R. Kagan,H. Kakuno,J. Kaneko,Ju Hwan Kang,J. S. Kang,P. Kapusta,Nobuhiko Katayama,H. Kawai,N. Kawamura,T. Kawasaki,H. Kichimi,D. W. Kim,Heejong Kim,H. J. Kim,Hyunwoo Kim,Seong Keun Kim,K. Kinoshita,K. Korotushenko,P. Krokovny,R. Kulasiri,Suneel Kumar,T. Kuniya,E. Kurihara,A.S. Kuzmin,Y. J. Kwon,J. S. Lange,Moo Hyun Lee,Se Lee,H. B. Li,D. Liventsev,Rong-Shyang Lu,A. Manabe,Takahiko Matsubara,S. Matsui,S. Matsumoto,T. Matsumoto,Y. Mikami,K. Misono,K. Miyabayashi,H. Miyake,H. Miyata,L.C. Moffitt,G. R. Moloney,G. F. Moorhead,Shigeki Mori,A. Murakami,T. Nagamine,Y. Nagasaka,Y. Nagashima,T. Nakadaira,E. Nakano,M. Nakao,J. W. Nam,S. Narita,Z. Natkaniec,K. Neichi,S. Nishida,O. Nitoh,S. Noguchi,T. Nozaki,S. Ogawa,T. Ohshima,Yasuhiro Ohshima,T. Okabe,T. Okazaki,S. Okuno,S.L. Olsen,W. Ostrowicz,H. Ozaki,H. Palka,Changwon Park,C. W. Park,H. Park,L.S. Peak,M. D. Peters,L. E. Piilonen,E.J. Prebys,J.L. Rodriguez,N.I. Root,M. Rozanska,K. Rybicki,J. Ryuko,Hiroyuki Sagawa,Y. Sakai,Hiroshi Sakamoto,M. Satapathy,A. Satpathy,S. Schrenk,S. Semenov,K. Senyo,M. E. Sevior,H. Shibuya,B.A. Shwartz,V.A. Sidorov,Jasvinder A. Singh,S. Stanič,A. Sugi,A. Sugiyama,K. Sumisawa,T. Sumiyoshi,K. Suzuki,Shiro Suzuki,Shota Suzuki,S.K. Swain,H. Tajima,T. Takahashi,F. Takasaki,M. Takita,K. Tamai,N. Tamura,Junichi Tanaka,M. Tanaka,Y. Tanaka,G. N. Taylor,Y. Teramoto,Makoto Tomoto,T. Tomura,S. N. Tovey,K. Trabelsi,T. Tsuboyama,Yuichi Tsujita,T. Tsukamoto,Sadaharu Uehara,K. Ueno,N. Ujiie,Y. Unno,S. Uno,Y. Ushiroda,Yu. V. Usov,S. E. Vahsen,G. S. Varner,Kevin Varvell,C. C. Wang,C. H. Wang,M. Z. Wang,T. J. Wang,Y. Watanabe,E. Won,B.D. Yabsley,Yasuhiko Yamada,M. Yamaga,A. Yamaguchi,H. Yamamoto,H. Yamaoka,Y. Yamaoka,Y. Yamashita,M. Yamauchi,S. Yanaka,Masashi Yokoyama,Kyo Yoshida,Y. Yusa,H. Yuta,C. C. Zhang,J. Zhang,Yangheng Zheng,V.N. Zhilich,D. Žontar +235 more
TL;DR: In this paper, the branching fraction of the inclusive radiative B meson decay B→Xsγ was measured to be 3.36±0.53(stat)± 0.42(sys)+0.50−0.54(th))×10−4.
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Light hadron spectroscopy with two flavors of dynamical quarks on the lattice
A. Ali Khan,Sinya Aoki,G. Boyd,R. Burkhalter,Shinji Ejiri,Masataka Fukugita,Shoji Hashimoto,N. Ishizuka,Y. Iwasaki,Kazuyuki Kanaya,Takashi Kaneko,Yoshinobu Kuramashi,Thomas Manke,K. Nagai,M. Okawa,Hugh P. Shanahan,Akira Ukawa,T. Yoshié +17 more
TL;DR: In this article, a numerical calculation of lattice QCD with two degenerate flavors of dynamical quarks, identified with up and down quarks and with a strange quark treated in the quenched approximation is presented.
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Quenched light hadron spectrum
Sinya Aoki,G. Boyd,R. Burkhalter,Shinji Ejiri,Masataka Fukugita,Shoji Hashimoto,Y. Iwasaki,Kazuyuki Kanaya,Takashi Kaneko,Yoshinobu Kuramashi,K. Nagai,Masanori Okawa,Hugh P. Shanahan,Akira Ukawa,T. Yoshié +14 more
TL;DR: The calculated spectrum in the continuum limit shows a systematic deviation from experiment, though the magnitude of deviation is contained within 11%.