Y
Y. Yusa
Researcher at Tohoku University
Publications - 87
Citations - 4846
Y. Yusa is an academic researcher from Tohoku University. The author has contributed to research in topics: KEKB & Branching fraction. The author has an hindex of 38, co-authored 87 publications receiving 4682 citations.
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Journal Article
Observation of the decay B̄0 → Λc+p̄
N. Gabyshev,H. Kichimi,Kazuo Abe,R. Abe,T. Abe,I. Adachi,H. Aihara,M. Akatsu,Y. Asano,Tsukasa Aso,V. M. Aulchenko,T. Aushev,A. M. Bakich,Y. Ban,Elzbieta Banas,A. Bay,I. Bedny,I. Bizjak,A. Bondar,A. Bozek,M. Bračko,Jolanta Brodzicka,T. E. Browder,B. C. K. Casey,M. C. Chang,P. Chang,Y. Chao,K. F. Chen,Byung Gu Cheon,R. Chistov,S. K. Choi,Y. Choi,Young-Il Choi,M. Danilov,L. Y. Dong,J. Dragic,A. Drutskoy,S. Eidelman,V. Eiges,Yuji Enari,F. Fang,Chikara Fukunaga,A. Garmash,T. J. Gershon,B. Golob,J. Haba,C. Hagner,F. Handa,T. Hara,K. Hasuko,H. Hayashii,Masashi Hazumi,I. Higuchi,L. Hinz,T. Hojo,T. Hokuue,Y. Hoshi,W. S. Hou,Y. B. Hsiung,H. C. Huang,T. Igaki,Y. Igarashi,T. Iijima,K. Inami,A. Ishikawa,R. Itoh,Hiroyuki Iwasaki,Y. Iwasaki,H. K. Jang,J. H. Kang,J. S. Kang,P. Kapusta,S. U. Kataoka,N. Katayama,H. Kawai,T. Kawasaki,D. W. Kim,H. J. Kim,Ho Kim,Hyunwoo Kim,Jung-Hyun Kim,S. K. Kim,K. Kinoshita,S. Kobayashi,S. Korpar,P. Križan,P. Krokovny,R. Kulasiri,A. Kuzmin,Y. J. Kwon,J. S. Lange,G. Leder,S. H. Lee,J. Li,S. W. Lin,D. Liventsev,Rong-Shyang Lu,J. MacNaughton,Gobinda Majumder,F. Mandl,T. Matsuishi,S. Matsumoto,T. Matsumoto,W. A. Mitaroff,Y. Miyabayashi,H. Miyake,H. Miyata,G. R. Moloney,T. Mori,T. Nagamine,Yasushi Nagasaka,T. Nakadaira,E. Nakano,M. Nakao,J. W. Nam,Z. Natkaniec,S. Nishida,O. Nitoh,S. Noguchi,T. Nozaki,S. Ogawa,T. Ohshima,T. Okabe,S. Okuno,S. L. Olsen,Y. Onuki,W. Ostrowicz,H. Ozaki,P. Pakhlov,H. Palka,C. W. Park,H. Park,K. S. Park,L. S. Peak,J. P. Perroud,L. E. Piilonen,M. Rozanska,K. Rybicki,Hiroyuki Sagawa,S. Saitoh,Y. Sakai,T. R. Sarangi,M. Satapathy,A. Satpathy,O. Schneider,S. Schrenk,J. Schümann,A. J. Schwartz,S. Semenov,K. Senyo,Rolf Seuster,M. E. Sevior,H. Shibuya,B. Shwartz,V.A. Sidorov,J. B. Singh,N. Soni,S. Stanič,M. Starič,A. Sugi,A. Sugiyama,K. Sumisawa,T. Sumiyoshi,S. Y. Suzuki,S. Y. Suzuki,S. K. Swain,T. Takahashi,F. Takasaki,K. Tamai,N. Tamura,J. Tanaka,M. Tanaka,G. N. Taylor,Y. Teramoto,S. Tokuda,T. Tomura,T. Tsuboyama,T. Tsukamoto,S. Uehara,Y. Unno,S. Uno,G. S. Varner,Kevin Varvell,C. C. Wang,C. H. Wang,J. G. Wang,M. Z. Wang,Y. Watanabe,E. Won,B. D. Yabsley,Yasuhiko Yamada,A. Yamaguchi,Y. Yamashita,M. Yamauchi,H. Yanai,You-Jin Yuan,Y. Yusa,C. C. Zhang,Z. P. Zhang,Y. Zheng,V.N. Zhilich,D. Žontar +201 more
Journal ArticleDOI
Observation of a Near-Threshold ωJ/ψ Mass Enhancement in Exclusive B→KωJ/ψ Decays
Suyong Choi,S. L. Olsen,Kazuo Abe,I. Adachi,Hiroaki Aihara,Y. Asano,S. Bahinipati,A. M. Bakich,Y. Ban,I. Bedny,U. Bitenc,I. Bizjak,A. Bondar,A. Bozek,M. Bračko,Jolanta Brodzicka,T. E. Browder,M. C. Chang,P. Chang,A. Chen,W. T. Chen,Byung Gu Cheon,R. Chistov,Y. Choi,A. Chuvikov,S. Cole,J. Dalseno,M. Danilov,M. Dash,A. Drutskoy,S. Eidelman,Yuji Enari,F. Fang,S. Fratina,N. Gabyshev,T. J. Gershon,G. Gokhroo,B. Golob,T. Hara,N. C. Hastings,K. Hayasaka,H. Hayashii,Masashi Hazumi,L. Hinz,T. Hokuue,Y. Hoshi,S. R. Hou,W. S. Hou,Y. B. Hsiung,T. Iijima,A. Imoto,K. Inami,A. Ishikawa,M. Iwasaki,Y. Iwasaki,J. Kang,J. S. Kang,S. U. Kataoka,N. Katayama,H. Kawai,T. Kawasaki,H. R. Khan,H. Kichimi,Hyun-Chul Kim,S. M. Kim,K. Kinoshita,S. Korpar,P. Križan,P. Krokovny,C. C. Kuo,A.S. Kuzmin,Youngil Kwon,J. S. Lange,S. E. Lee,S. H. Lee,T. Lesiak,J. Li,S. W. Lin,D. Liventsev,Gobinda Majumder,T. Matsumoto,A. Matyja,W. A. Mitaroff,K. Miyabayashi,H. Miyata,R. Mizuk,D. Mohapatra,G. R. Moloney,E. Nakano,M. Nakao,H. Nakazawa,S. Nishida,O. Nitoh,S. Ogawa,T. Ohshima,T. Okabe,S. Okuno,W. Ostrowicz,H. Palka,C. W. Park,N. Parslow,R. Pestotnik,L. E. Piilonen,M. Rozanska,Hiroyuki Sagawa,Y. Sakai,Noriaki K. Sato,T. Schietinger,O. Schneider,C. Schwanda,H. Shibuya,B. Shwartz,A. Somov,N. Soni,S. Stanič,M. Starič,T. Sumiyoshi,S. Suzuki,S. Y. Suzuki,Osamu Tajima,F. Takasaki,K. Tamai,N. Tamura,Y. Teramoto,X. C. Tian,K. Trabelsi,S. Uehara,T. Uglov,S. Uno,G. S. Varner,Kevin Varvell,S. Villa,C. H. Wang,M. Z. Wang,M. Watanabe,B. D. Yabsley,A. Yamaguchi,Y. Yamashita,M. Yamauchi,Heyoung Yang,You-Jin Yuan,Y. Yusa,C. Zhang,Jie Zhang,Long Zhang,Zhenyu Zhang,D. Žontar,D. Zürcher +147 more
TL;DR: In this paper, the authors presented a method to solve the problem of the EPT problem in PhysRevLett, a journal published on 2010-11-05, modified on 2017-12-10.
Journal ArticleDOI
Measurement of Branching Fractions for B→ηcK(*) Decays
F. Fang,T. Hojo,Kazuo Abe,T. Abe,I. Adachi,Hiroaki Aihara,M. Akatsu,Y. Asano,Tsukasa Aso,V.M. Aulchenko,A. M. Bakich,Y. Ban,Elzbieta Banas,A. Bay,Prafulla Kumar Behera,I. Bizjak,A. Bondar,A. Bozek,M. Bračko,Jolanta Brodzicka,T. E. Browder,B. C. K. Casey,P. Chang,Y. Chao,K. F. Chen,Byung Gu Cheon,R. Chistov,S. K. Choi,Y. Choi,Young-Il Choi,M. Danilov,A. Drutskoy,S.I. Eidelman,V. Eiges,Yuji Enari,Chikara Fukunaga,N. Gabyshev,A. Garmash,T. J. Gershon,B. Golob,T. Hara,N. C. Hastings,H. Hayashii,Masashi Hazumi,E. M. Heenan,Takuya Higuchi,L. Hinz,T. Hokuue,Y. Hoshi,W. S. Hou,H. C. Huang,T. Igaki,Y. Igarashi,T. Iijima,K. Inami,A. Ishikawa,R. Itoh,Hiroyuki Iwasaki,Y. Iwasaki,H. K. Jang,Ju Hwan Kang,J. S. Kang,P. Kapusta,N. Katayama,H. Kawai,Y. Kawakami,T. Kawasaki,H. Kichimi,D. W. Kim,Heejong Kim,H. J. Kim,Ho Kim,Hyunwoo Kim,Seong Keun Kim,K. Kinoshita,S. Kobayashi,S. Korpar,P. Križan,P. Krokovny,R. Kulasiri,Y. J. Kwon,J. S. Lange,G. Leder,S. H. Lee,J. Li,D. Liventsev,Rong-Shyang Lu,J. MacNaughton,F. Mandl,S. Matsumoto,T. Matsumoto,W. A. Mitaroff,K. Miyabayashi,H. Miyake,H. Miyata,G. R. Moloney,T. Mori,T. Nagamine,Yasushi Nagasaka,T. Nakadaira,E. Nakano,M. Nakao,H. Nakazawa,J. W. Nam,Z. Natkaniec,S. Nishida,O. Nitoh,S. Noguchi,T. Nozaki,S. Ogawa,T. Ohshima,T. Okabe,S. Okuno,S. L. Olsen,Y. Onuki,H. Ozaki,P. Pakhlov,C. W. Park,H. K. Park,K. S. Park,J. P. Perroud,M. D. Peters,L. E. Piilonen,F. J. Ronga,N.I. Root,M. Rozanska,K. Rybicki,Hiroyuki Sagawa,S. Saitoh,Y. Sakai,Hiroshi Sakamoto,M. Satapathy,O. Schneider,S. Schrenk,C. Schwanda,S. Semenov,K. Senyo,Rolf Seuster,M. E. Sevior,H. Shibuya,B. Shwartz,V.A. Sidorov,N. Soni,S. Stanič,M. Starič,A. Sugi,A. Sugiyama,K. Sumisawa,T. Sumiyoshi,Kei Suzuki,S. Y. Suzuki,T. Takahashi,F. Takasaki,N. Tamura,Junichi Tanaka,M. H. Tanaka,G. N. Taylor,Y. Teramoto,S. Tokuda,T. Tomura,K. Trabelsi,T. Tsuboyama,T. Tsukamoto,Sadaharu Uehara,K. Ueno,S. Uno,Y. Ushiroda,S. E. Vahsen,G. S. Varner,Kevin Varvell,C. C. Wang,C. H. Wang,J. G. Wang,M. Z. Wang,Y. Watanabe,E. Won,B. D. Yabsley,Yasuhiko Yamada,A. Yamaguchi,Y. Yamashita,M. Yamauchi,H. Yanai,J. Yashima,Masashi Yokoyama,You-Jin Yuan,Y. Yusa,C. C. Zhang,J. Zhang,Zhenyu Zhang,V.N. Zhilich,D. Žontar +190 more
TL;DR: In this article, the authors report measurements of branching fractions for charged and neutral $B\ensuremath{\rightarrow}{\ensuremath{\eta}}_{c}K$ decays where the meson is reconstructed in the neutral channel.
Journal ArticleDOI
Inclusive measurement of the photon energy spectrum in b → sγ decays
Patrick Koppenburg,Kazuo Abe,T. Abe,I. Adachi,Hiroaki Aihara,M. Akatsu,Y. Asano,V. M. Aulchenko,T. Aushev,A. M. Bakich,Y. Ban,A. Bay,U. Bitenc,I. Bizjak,A. Bondar,A. Bozek,M. Bračko,T. E. Browder,P. Chang,Y. Chao,K. F. Chen,Byung Gu Cheon,Y. Choi,A. Chuvikov,S. Cole,M. Danilov,M. Dash,L. Y. Dong,A. Drutskoy,S. Eidelman,V. Eiges,Yuji Enari,F. Fang,S. Fratina,N. Gabyshev,A. Garmash,T. J. Gershon,G. Gokhroo,B. Golob,J. Haba,H. Hayashii,Masashi Hazumi,Takuya Higuchi,L. Hinz,T. Hokuue,Y. Hoshi,W. S. Hou,Y. B. Hsiung,T. Iijima,K. Inami,A. Ishikawa,R. Itoh,Hiroyuki Iwasaki,M. Iwasaki,J. H. Kang,J. S. Kang,N. Katayama,H. Kawai,T. Kawasaki,H. Kichimi,H. J. Kim,Jung-Hyun Kim,Seong Keun Kim,T.H. Kim,S. Korpar,P. Križan,P. Krokovny,Suneel Kumar,A.S. Kuzmin,Y. J. Kwon,J. S. Lange,G. Leder,S. H. Lee,T. Lesiak,J. Li,Antonio Limosani,S. W. Lin,J. MacNaughton,Gobinda Majumder,F. Mandl,T. Matsumoto,Y. Mikami,W. A. Mitaroff,K. Miyabayashi,H. Miyake,H. Miyata,D. Mohapatra,G. R. Moloney,Takehiko Mori,T. Nagamine,Yasushi Nagasaka,T. Nakadaira,E. Nakano,M. Nakao,Z. Natkaniec,K. Neichi,S. Nishida,O. Nitoh,T. Nozaki,S. Ogawa,T. Ohshima,T. Okabe,S. Okuno,S. L. Olsen,W. Ostrowicz,H. Ozaki,P. Pakhlov,H. Palka,C. W. Park,H. Park,N. Parslow,L. S. Peak,L. E. Piilonen,Frederic Jean Ronga,M. Rozanska,Hiroyuki Sagawa,S. Saitoh,Y. Sakai,T. R. Sarangi,O. Schneider,C. Schwanda,A. J. Schwartz,S. Semenov,K. Senyo,Rolf Seuster,M. E. Sevior,H. Shibuya,N. Soni,Rainer Stamen,S. Stanič,M. Starič,T. Sumiyoshi,S. Y. Suzuki,Osamu Tajima,F. Takasaki,N. Tamura,M. H. Tanaka,G. N. Taylor,T. Tomura,K. Trabelsi,T. Tsuboyama,T. Tsukamoto,S. Uehara,T. Uglov,K. Ueno,S. Uno,Y. Ushiroda,G. S. Varner,Kevin Varvell,C. C. Wang,C. H. Wang,M. Watanabe,B. D. Yabsley,Yasuhiko Yamada,A. Yamaguchi,Y. Yamashita,M. Yamauchi,H. Yanai,Heyoung Yang,J. Ying,Y. Yusa,C. C. Zhang,Zhenyu Zhang,T. Ziegler,D. Žontar +164 more
TL;DR: A fully inclusive measurement of the flavor changing neutral current decay b --> sgamma in the energy range 1.8 GeV < or = E*gamma < or - (Egamma)2, covering 95% of the total spectrum.
Journal ArticleDOI
Observation of Double cc ̄ Production in e + e - Annihilation at (s)~10.6 GeV
Kazuo Abe,R. Abe,T. Abe,I. Adachi,Byoung Sup Ahn,Hiroaki Aihara,M. Akatsu,Y. Asano,Tsukasa Aso,V.M. Aulchenko,T. Aushev,A. M. Bakich,Yong Ban,Elzbieta Banas,W. Bartel,A. Bay,Prafulla Kumar Behera,A. Bondar,A. Bozek,M. Bračko,Jolanta Brodzicka,T. E. Browder,B. C. K. Casey,P. Chang,Y. Chao,Byung Gu Cheon,R. Chistov,S. K. Choi,Y. Choi,M. Danilov,L. Y. Dong,J. Dragic,A. Drutskoy,S.I. Eidelman,V. Eiges,Yuji Enari,Chikara Fukunaga,N. Gabyshev,A. Garmash,T. J. Gershon,Ascelin Gordon,R. Guo,F. Handa,T. Hara,Y. Harada,N. C. Hastings,H. Hayashii,Masashi Hazumi,E. M. Heenan,I. Higuchi,Takuya Higuchi,T. Hojo,T. Hokuue,Y. Hoshi,K. Hoshina,S. R. Hou,W. S. Hou,H. C. Huang,T. Igaki,Y. Igarashi,T. Iijima,K. Inami,A. Ishikawa,R. Itoh,M. Iwamoto,Hiroyuki Iwasaki,Y. Iwasaki,H. K. Jang,J. Kaneko,Ju Hwan Kang,J. S. Kang,P. Kapusta,N. Katayama,H. Kawai,Y. Kawakami,N. Kawamura,T. Kawasaki,H. Kichimi,D. W. Kim,Heejong Kim,H. J. Kim,Ho Kim,Hyunwoo Kim,Seong Keun Kim,T.H. Kim,K. Kinoshita,P. Krokovny,R. Kulasiri,Suneel Kumar,A.S. Kuzmin,Y. J. Kwon,J. S. Lange,G. Leder,S. H. Lee,J. Li,D. Liventsev,Rong-Shyang Lu,J. MacNaughton,Gobinda Majumder,F. Mandl,S. Matsumoto,T. Matsumoto,T. Matsumoto,H. Miyake,H. Miyata,G. R. Moloney,T. Mori,T. Nagamine,Yasushi Nagasaka,E. Nakano,M. Nakao,J. W. Nam,Z. Natkaniec,K. Neichi,S. Nishida,O. Nitoh,S. Noguchi,T. Nozaki,S. Ogawa,F. Ohno,T. Ohshima,T. Okabe,S. Okuno,S. L. Olsen,Y. Onuki,W. Ostrowicz,H. Ozaki,P. Pakhlov,H. Palka,C. W. Park,H. K. Park,K. S. Park,L. S. Peak,J. P. Perroud,M. D. Peters,L. E. Piilonen,N.I. Root,Hiroyuki Sagawa,S. Saitoh,Y. Sakai,M. Satapathy,A. Satpathy,O. Schneider,S. Schrenk,C. Schwanda,S. Semenov,K. Senyo,Rolf Seuster,M. E. Sevior,H. Shibuya,V.A. Sidorov,Jasvinder A. Singh,S. Stanič,M. Starič,A. Sugi,A. Sugiyama,K. Sumisawa,T. Sumiyoshi,Kei Suzuki,S. Suzuki,S. K. Swain,T. Takahashi,F. Takasaki,K. Tamai,N. Tamura,M. H. Tanaka,G. N. Taylor,Y. Teramoto,S. Tokuda,T. Tomura,S. N. Tovey,W. Trischuk,T. Tsuboyama,T. Tsukamoto,Sadaharu Uehara,K. Ueno,Y. Unno,S. Uno,S. E. Vahsen,G. S. Varner,Kevin Varvell,C. C. Wang,C. H. Wang,J. G. Wang,M. Z. Wang,Y. Watanabe,E. Won,B. D. Yabsley,Yasuhiko Yamada,A. Yamaguchi,Y. Yamashita,M. Yamauchi,H. Yanai,J. Yashima,You-Jin Yuan,Y. Yusa,Zhenyu Zhang,V.N. Zhilich,D. Žontar +198 more
TL;DR: In this paper, the authors report the observation of prompt $J/\ensuremath{\psi}$ via double $c\overline{c}$ production from the ${e}^{+}{e}^{\ENSuremath{-}}$ continuum.