Kei Suzuki
Japan Atomic Energy Agency
78 Papers
1.3K Citations
Kei Suzuki is an academic researcher from Japan Atomic Energy Agency. The author has contributed to research in topics: KEKB & B meson. The author has an hindex of 26, co-authored 78 publications. Previous affiliations of Kei Suzuki include Tokyo Institute of Technology & KEK.
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Papers
Observation of Large CP Violation in the Neutral B Meson System
Kazuo Abe,Y. Chao,S. Kobayashi,S. Yanaka,K. Misono,D. Liventsev,R. Kulasiri,S. E. Vahsen,Kei Suzuki,S.N. Tovey,Y. Asano,H. Kichimi,G. R. Moloney,V.N. Zhilich,A. Sidorov,H. Shibuya,M. Akatsu,E.J. Prebys,J. Tanaka,S. L. Olsen,Takashi Nakamura,D. W. Kim,Suneel Kumar,Hyunyong Kim,H. Kakuno,K. Ikeda,T. J. Gershon,M. H. Tanaka,Y. Choi,T. Mori,S. H. Lee,N. Katayama,K. Hoshina,H. Park,T. Tomura,T. Sumiyoshi,S. Okuno,Tsukasa Aso,J. W. Nam,F. Takasaki,Byung Gu Cheon,H. Miyake,Kyo Yoshida,Hirokazu Ishino,T. Tsuboyama,Kai-Feng Chen,Y. Yamashita,B. Shwartz,T. Iijima,A. Ishikawa,J. S. Lange,R. Guo,Prafulla Kumar Behera,A. Bozek,M. Rozanska,E. M. Heenan,Matthew Jones,S. Y. Suzuki,D. Zontar,Y. Watanabe,K. Inami,H. Hirano,T. Hirai,J. Yashima,S. R. Hou,K. Hara,K. Ueno,H. Hayashii,L. Y. Dong,S. Uno,Y. Sakai,J. Haba,T. Takahashi,Y. J. Kwon,Sadaharu Uehara,S. Ogawa,Hyun Woo Kim,M. E. Sevior,Y. Nagashima,Ascelin Gordon,Daniel Robert Marlow,T. Aushev,N. Kawamura,S. K. Swain,K. E. Varvell,M. Satapathy,H. Nakazawa,K. Sumisawa,Takuya Higuchi,L. E. Piilonen,F. Handa,H. Sagawa,E. Kurihara,E. Won,Masashi Yokoyama,T. Tsukamoto,N. C. Hastings,Z. Natkaniec,V. M. Aulchenko,H. Fujii,J. Kaneko,T. Hokuue,Y. Mikami,H. C. Huang,K. Kinoshita,N.I. Root,Meng Wang,Makoto Tomoto,Heejong Kim,H. Yamamoto,I. Adachi,G. N. Taylor,M. Takita,V. Eiges,K. Senyo,K. Neichi,Masaki Fukushima,O. Nitoh,R. Kagan,G. Leder,Kazunori Hanagaki,K. Korotushenko,J. G. Wang,P. Chang,R. Abe,Y. Hoshi,R. Chistov,P. Pakhlov,T. Okabe,Y. Yamada,Hirokazu Ikeda,B. D. Yabsley,J. S. Kang,T. Kuniya,Y.S. Lin,D. Beiline,Semen Eidelman,Y. Igarashi,C. W. Park,H. Yuta,M. Yamauchi,M. Yamaga,S. Behari,Rong-Shyang Lu,Yuji Enari,M. Nakao,T. Nozaki,I. Higuchi,H. Aihara,H. Tajima,M. Asai,D. J. Jackson,Go Iwai,Yasushi Nagasaka,Gianluca Alimonti,A. Sugi,Shih-Chieh Hsu,S. Koishi,H. Palka,Y. Teramoto,Hiroshi Sakamoto,T. Kawasaki,A. Sugiyama,Y. Higasino,K. Gotow,Takahiko Matsubara,T. E. Browder,N. Gabyshev,Y. Ushiroda,W. S. Hou,A. Drutskoy,P. Krokovny,Shigeki Mori,J.I. Suzuki,Koya Abe,C.W. Everton,Byoung Sup Ahn,J. Ryuko,T. Yamanaka,L. S. Peak,S. Noguchi,S. Schrenk,Chikara Fukunaga,S. Matsui,H. Guler,T. Nagamine,Yasuhiro Ohshima,T. Matsumoto,C. C. Zhang,Sun Kee Kim,Hiroyuki Iwasaki,C. H. Wang,H. Miyata,J. Dragic,Alexander Bondar,S. K. Choi,J. L. Rodriguez,T. Okazaki,K. Trabelsi,P. Kapusta,K. Miyabayashi,K. Tamai,Y. Yusa,Y. Unno,R. Itoh,Ryoji Enomoto,S. Stanič,H. K. Jang,F. Fang,Y. Iwasaki,T.H. Kim,S. Y. Suzuki,Jie Zhang,C. C. Wang,H. W. Zhao,H. Kawai,Elzbieta Banas,J. H. Kang,Y. Kawakami,A. Kuzmin,S. Matsumoto,Christos Leonidopoulos,N. Tamura,T. Hojo,Kanae Asai,K. Rybicki,Y. Zheng,Changwon Park,Masashi Hazumi,H. Konishi,E. Nakano,Y. Settai,S. Nishida,A. Satpathy,T. Nakadaira,A. Yamaguchi,M. D. Peters,T. Hara,A. Garmash,B. C. K. Casey,A. M. Bakich,M. H. Lee,Takayoshi Ohshima,L.C. Moffitt,G. F. Moorhead,H. Hamasaki,J. MacNaughton,H. Ozaki,A. Murakami,S. Semenov,Pawel Jalocha +250 more
TL;DR: The standard model CP violation parameter sin2 phi(1) is measured based on a data sample collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider and it is concluded that the neutral B meson system is observed.
•Journal Article
Observation of B̄0 → D(*)0 pp̄
Kazuo Abe,R. Abe,T. Abe,Byoung Sup Ahn,H. Aihara,M. Akatsu,Y. Asano,Tsukasa Aso,V. M. Aulchenko,T. Aushev,A. M. Bakich,Y. Ban,Elzbieta Banas,A. Bay,I. Bedny,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. Eidelman,V. Eiges,Yuji Enari,F. Fang,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. Hokune,Y. Hoshi,K. Hoshina,S. R. Hou,W. S. Hou,Shih-Chieh Hsu,H. C. Huang,T. Igaki,Y. Igarashi,T. Iijima,K. Inami,A. Ishikawa,R. Itoh,Hiroyuki Iwasaki,Y. Iwasaki,H. K. Jang,J. Kaneko,J. H. Kang,J. S. Kang,P. Kapusta,N. Katayama,H. Kawai,Y. Kawakami,N. Kawamura,T. Kawasaki,H. Kichimi,D. W. Kim,H.B. Kim,H. J. Kim,Ho Kim,S. K. Kim,T.H. Kim,K. Kinoshita,S. Korpar,P. Krokovny,R. Kulasiri,Shaji Kumar,A. 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,K. 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,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. Park,K. S. Park,L. S. Peak,J. P. Perroud,M. D. Peters,L. E. Piilonen,N.I. Root,M. Rozanska,K. Rybicki,Hiroyuki Sagawa,S. Saitoh,Y. Sakai,Hiroshi Sakamoto,M. Satapathy,A. Satpathy,O. Schneider,S. Schrenk,C. Schwanda,S. Semenov,K. Senyo,Rolf Seuster,M. E. Sevior,H. Shibuya,B. Shwartz,V.A. Sidorov,J. B. Singh,S. Stanič,M. Starič,A. Sugi,A. Sugiyama,K. Sumisawa,T. Sumiyoshi,Kei Suzuki,S. Y. Suzuki,S. K. Swain,T. Takahashi,F. Takasaki,K. Tamai,N. Tamura,M. Tanaka,G. N. Taylor,Y. Teramoto,S. Tokuda,T. Tomura,S. N. Tovey,K. Trabelsi,T. Tsuboyama,T. Tsukamoto,S. 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,J. Zhang,Z. P. Zhang,V.N. Zhilich,D. Žontar +202 more
TL;DR: The B meson decay modes B -->Dpp; and B-->D(*)pp; have been studied using 29.4 fb(-1) of data collected with the Belle detector at KEKB using the corresponding upper limits at 90% C.L. are presented.
451
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.
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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.
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Observation of B± → p p̄ K±
Kazuo Abe,R. Abe,T. Abe,I. Adachi,S. A. Byoung,Hiroaki Aihara,M. Akatsu,Y. Asano,Tsukasa Aso,V.M. Aulchenko,T. Aushev,A. M. Bakich,Yong Ban,Elzbieta Banas,S. Behari,Prafulla Kumar Behera,Alexander 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,M. Danilov,L. Y. Dong,J. Dragic,A. Drutskoy,Semen Eidelman,V. Eiges,Yuji Enari,C.W. Everton,F. Fang,H. Fujii,Chikara Fukunaga,Masaki Fukushima,N. Gabyshev,A. Garmash,T. J. Gershon,K. Gotow,R. Guo,J. Haba,H. Hamasaki,F. Handa,K. Hara,T. Hara,H. Hayashii,Masashi Hazumi,E. M. Heenan,I. Higuchi,Takuya Higuchi,T. Hojo,T. Hokuue,Y. Hoshi,S. R. Hou,W. S. Hou,H. C. Huang,T. Igaki,Y. Igarashi,T. Iijima,Hirokazu Ikeda,K. Inami,A. Ishikawa,Hirokazu Ishino,R. Itoh,Hiroyuki Iwasaki,Y. Iwasaki,P. Jalocha,H. K. Jang,J. H. Kang,J. S. Kang,P. Kapusta,N. Katayama,H. Kawai,Y. Kawakami,N. Kawamura,T. Kawasaki,H. Kichimi,D. W. Kim,H. J. Kim,Ho Kim,Hyunyong Kim,Seong Keun Kim,K. Kinoshita,H. Konishi,S. Korpar,P. Križan,P. Krokovny,Suneel Kumar,A.S. Kuzmin,Y. J. Kwon,J. S. Lange,G. Leder,S. H. Lee,Antonio Limosani,D. Liventsev,Rong-Shyang Lu,J. MacNaughton,Gobinda Majumder,F. Mandl,T. Matsuishi,S. Matsumoto,Y. Mikami,W. A. Mitaroff,K. Miyabayashi,Y. Miyabayashi,H. Miyake,H. Miyata,G. R. Moloney,T. Nagamine,Yasushi Nagasaka,Y. Nagashima,M. Nakao,J. W. Nam,Z. Natkaniec,S. Nishida,O. Nitoh,S. Noguchi,T. Nozaki,S. Ogawa,Takayoshi Ohshima,T. Okabe,S. Okuno,S. L. Olsen,W. Ostrowicz,H. Ozaki,P. Pakhlov,H. Palka,Changwon Park,C. W. Park,K. S. Park,L. S. Peak,J. P. Perroud,M. D. Peters,L. E. Piilonen,F. J. Ronga,N.I. Root,K. Rybicki,H. Sagawa,Y. Sakai,Hiroshi Sakamoto,M. Satapathy,A. Satpathy,O. Schneider,S. Schrenk,C. Schwanda,S. Semenov,K. Senyo,H. Shibuya,B. Schwartz,V.A. Sidorov,Jasvinder A. Singh,S. Stanič,A. Sugi,A. Sugiyama,K. Sumisawa,Kei Suzuki,S. Suzuki,T. Takahashi,F. Takasaki,M. Takita,K. Tamai,N. Tamura,Junichi Tanaka,G. N. Taylor,Y. Teramoto,S. Tokuda,T. Tomura,S. N. Tovey,K. Trabelsi,T. Tsuboyama,T. Tsukamoto,Sadaharu Uehara,K. Ueno,Y. Unno,S. Uno,K. E. Varvell,C. C. Wang,C. H. Wang,J. G. Wang,M. Z. Wang,Y. Watanabe,E. Won,B. D. Yabsley,Y. Yamada,M. Yamaga,A. Yamaguchi,Hitoshi Yamamoto,Y. Yamashita,M. Yamauchi,S. Yanaka,P. Yeh,Masashi Yokoyama,You-Jin Yuan,J. Zhang,Y. Zheng,D. Žontar +201 more
TL;DR: In this article, the authors reported the first example of a $b\to s$ transition with baryons in the final state, where the mass spectrum in this decay is inconsistent with phase space and is peaked at low mass.
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