K
K. Hara
Researcher at Osaka University
Publications - 266
Citations - 6506
K. Hara is an academic researcher from Osaka University. The author has contributed to research in topics: KEKB & Internal medicine. The author has an hindex of 38, co-authored 225 publications receiving 6063 citations.
Papers
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Journal ArticleDOI
Measurement of the branching ratio of B ¯ →d (∗)τ- ν ¯ τ relative to B ¯ →d (∗) - ν ¯ decays with hadronic tagging at Belle
M. Huschle,T. Kuhr,M. Heck,P. Goldenzweig,A. Abdesselam,I. Adachi,K. Adamczyk,H. Aihara,S. Al Said,S. Al Said,K. Arinstein,K. Arinstein,D. M. Asner,T. Aushev,R. Ayad,Tariq Aziz,I. Badhrees,I. Badhrees,A. M. Bakich,Vikas Bansal,E. L. Barberio,V. Bhardwaj,B. Bhuyan,Jyoti Prakash Biswal,A. Bobrov,A. Bobrov,A. Bozek,M. Bračko,T. E. Browder,D. Červenkov,P. Chang,V. Chekelian,A. Chen,Byung Gu Cheon,K. Chilikin,R. Chistov,K. Cho,V. Chobanova,Y. Choi,D. Cinabro,J. Dalseno,Mikhail Danilov,Z. Doležal,Z. Drásal,Dipanwita Dutta,S.I. Eidelman,S.I. Eidelman,D. A. Epifanov,H. Farhat,James E. Fast,T. Ferber,A. Frey,B. G. Fulsom,V. Gaur,N. Gabyshev,N. Gabyshev,A. Garmash,A. Garmash,R. Gillard,R. Glattauer,Y. M. Goh,B. Golob,J. Grygier,P. Hamer,K. Hara,T. Hara,J. Hasenbusch,K. Hayasaka,H. Hayashii,X. H. He,M. Heider,A. Heller,Tsuyoshi Horiguchi,W. S. Hou,C. L. Hsu,T. Iijima,K. Inami,G. Inguglia,A. Ishikawa,R. Itoh,Y. Iwasaki,I. Jaegle,D. Joffe,K. K. Joo,T. Julius,K. H. Kang,E. Kato,P. Katrenko,T. Kawasaki,T. Keck,C. Kiesling,D. Y. Kim,H. J. Kim,J. B. Kim,Jung-Hyun Kim,K. T. Kim,M. J. Kim,S. H. Kim,Yongsun Kim,K. Kinoshita,B. R. Ko,Nagao Kobayashi,Peter Kodys,S. Korpar,P. Križan,P. Krokovny,P. Krokovny,T. Kumita,A. Kuzmin,A. Kuzmin,Y. J. Kwon,I. S. Lee,C. H. Li,Yang Li,L. Li Gioi,J. Libby,D. Liventsev,P.A. Lukin,P.A. Lukin,M. Masuda,D. Matvienko,D. Matvienko,K. Miyabayashi,H. Miyake,H. Miyata,R. Mizuk,G. B. Mohanty,Saraju P. Mohanty,Saraju P. Mohanty,A. Moll,H. K. Moon,R. Mussa,K. Nakamura,E. Nakano,M. Nakao,Tara Nanut,M. Nayak,N. K. Nisar,S. Nishida,S. Ogawa,S. Okuno,C. Oswald,G. Pakhlova,B. Pal,C. W. Park,H. Park,T. K. Pedlar,L. Pesántez,R. Pestotnik,Marko Petrič,L. E. Piilonen,C. Pulvermacher,E. Ribežl,M. Ritter,A. Rostomyan,Y. Sakai,S. Sandilya,L. Santelj,T. Sanuki,Yuki Sato,V. Savinov,O. Schneider,G. Schnell,G. Schnell,C. Schwanda,A. J. Schwartz,D. Semmler,K. Senyo,O. Seon,M. E. Sevior,V.E. Shebalin,V.E. Shebalin,C. P. Shen,T. A. Shibata,J. G. Shiu,Frank Simon,Y. S. Sohn,Andrey Sokolov,E. Solovieva,Samo Stanič,M. Starič,M. Steder,J. Stypula,M. Sumihama,T. Sumiyoshi,U. Tamponi,Y. Teramoto,K. Trabelsi,V. Trusov,M. Uchida,T. Uglov,S. Uno,Y. Usov,Y. Usov,C. Van Hulse,P. Vanhoefer,G. S. Varner,A. Vinokurova,A. Vinokurova,V. Vorobyev,V. Vorobyev,M. N. Wagner,C. H. Wang,M. Z. Wang,P. Wang,X. L. Wang,M. Watanabe,Y. Watanabe,E. Won,H. Yamamoto,J. Yamaoka,S. Yashchenko,H. Ye,Y. Yook,C. Z. Yuan,Y. Yusa,Z. P. Zhang,V.N. Zhilich,V.N. Zhilich,Vladimir Zhulanov,Vladimir Zhulanov,A. Zupanc +221 more
TL;DR: In this paper, the branching fraction ratio R(D)(()*()) of (B) over bar → D-(*())tau(-)(nu)over bar (tau) relative to (B), where l = e or mu, was measured using the full Belle data sample.
Journal ArticleDOI
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
Study of time-dependent CP violation in B0 → J/ψπ0 decays
S. U. Kataoka,Kazuo Abe,I. Adachi,H. Aihara,M. Akatsu,Y. Asano,T. Aushev,Seema Bahinipati,A. M. Bakich,A. Bay,A. Somov,N. Soni,Rainer Stamen,M. Starič,I. Bizjak,K. Sumisawa,T. Sumiyoshi,Osamu Tajima,F. Takasaki,N. Tamura,N. C. Hastings,M. H. Tanaka,G. N. Taylor,Y. Teramoto,K. Trabelsi,T. Tsukamoto,A.E. Bondar,K. Ueno,S. Uno,G. S. Varner,S. Villa,K. Hayasaka,C. C. Wang,C. H. Wang,M. Watanabe,Bruce Yabsley,A. Yamaguchi,Y. Yamashita,M. Bračko,Heyoung Yang,J. Ying,You-Jin Yuan,H. Hayashii,S.L. Zang,C. C. Zhang,Jie Zhang,L.M. Zhang,Z. P. Zhang,V.N. Zhilich,T. Ziegler,Y. Chao,D. Žontar,A. Chen,Masashi Hazumi,W. T. Chen,B. G. Cheon,R. Chistov,Y. Choi,M. Danilov,M. Dash,L. Y. Dong,J. Dragic,S. Eidelman,V. Eiges,Takuya Higuchi,Yuji Enari,F. Fang,S. Fratina,N. Gabyshev,A. Garmash,T. J. Gershon,A. Go,G. Gokhroo,B. Golob,J. Haba,L. Hinz,K. Hara,T. Hokuue,Y. Hoshi,S. R. Hou,W. S. Hou,T. Okabe,Y. B. Hsiung,T. Iijima,A. Imoto,K. Inami,A. Ishikawa,Hirokazu Ishino,R. Itoh,Motoki Iwasaki,Y. Iwasaki,J. H. Kang,S. Okuno,J. S. Kang,P. Kapusta,N. Katayama,Hikaru Kawai,T. Kawasaki,H. R. Khan,Hyunyong Kim,K. Kinoshita,Patrick Koppenburg,S. Korpar,S. L. Olsen,P. Križan,P. Krokovny,C. C. Kuo,A. Kuzmin,Y. J. Kwon,J. S. Lange,G. Leder,S. E. Lee,S. H. Lee,T. Lesiak,Y. Onuki,J. Li,S. W. Lin,J. MacNaughton,F. Mandl,T. Matsumoto,W. A. Mitaroff,K. Miyabayashi,H. Miyake,H. Miyata,D. Mohapatra,W. Ostrowicz,T. Mori,T. Nagamine,Yasushi Nagasaka,E. Nakano,H. Nakazawa,Z. Natkaniec,S. Nishida,O. Nitoh,S. Noguchi,S. Ogawa,H. Ozaki,T. Ohshima,P. Pakhlov,H. Palka,H. Park,L. S. Peak,I. Bedny,L. E. Piilonen,Frederic Jean Ronga,M. Rozanska,Hiroyuki Sagawa,Y. Sakai,Nobuaki Sato,T. Schietinger,O. Schneider,J. Schümann,A. J. Schwartz,U. Bitenc,S. Semenov,K. Senyo,M. E. Sevior,T. A. Shibata,H. Shibuya,J. B. Singh +159 more
Journal ArticleDOI
Measurement of the branching ratio of B¯0→D*+τ-ν¯τ relative to B¯0→D*+ℓ-ν¯ℓ decays with a semileptonic tagging method
Yukinori Sato,T. Iijima,K. Adamczyk,H. Aihara,D. M. Asner,H. Atmacan,T. Aushev,R. Ayad,Tariq Aziz,V. Babu,I. Badhrees,A. M. Bakich,V. Bansal,P. K. Behera,V. Bhardwaj,B. Bhuyan,Jyoti Prakash Biswal,G. Bonvicini,A. Bozek,M. Bračko,D. Červenkov,P. Chang,V. Chekelian,A. Chen,B. G. Cheon,K. Chilikin,R. Chistov,K. Cho,V. Chobanova,Y. Choi,D. Cinabro,M. Danilov,N. Dash,S. Di Carlo,Z. Doležal,Dipanwita Dutta,S. Eidelman,D. Epifanov,H. Farhat,J. E. Fast,T. Ferber,B. G. Fulsom,V. Gaur,N. Gabyshev,A. Garmash,P. Goldenzweig,B. Golob,Daniel Greenwald,K. Hara,T. Hara,J. Hasenbusch,K. Hayasaka,H. Hayashii,Shigeki Hirose,T. Horiguchi,W. S. Hou,K. Inami,A. Ishikawa,R. Itoh,Y. Iwasaki,I. Jaegle,H. B. Jeon,D. Joffe,T. Julius,K. H. Kang,Y. Kato,P. Katrenko,T. Kawasaki,D. Y. Kim,J. B. Kim,K. T. Kim,M. J. Kim,Seok Kim,Y. J. Kim,K. Kinoshita,Peter Kodys,S. Korpar,D. Kotchetkov,P. Krokovny,T. Kuhr,Rahul Kumar,Y. J. Kwon,J. S. Lange,C. H. Li,L. K. Li,Y. B. Li,L. Li Gioi,J. Libby,D. Liventsev,Tao Luo,M. Masuda,T. Matsuda,D. Matvienko,K. Miyabayashi,H. Miyata,R. Mizuk,G. B. Mohanty,A. Moll,H. K. Moon,K. Nakamura,E. Nakano,M. Nakao,Tara Nanut,K. J. Nath,Z. Natkaniec,M. Nayak,K. Negishi,N. K. Nisar,S. Nishida,S. Ogawa,S. Okuno,S. L. Olsen,Y. Onuki,P. Pakhlov,G. Pakhlova,B. K. Pal,Chawon Park,S. Paul,T. K. Pedlar,L. Pesántez,R. Pestotnik,Marko Petrič,L. E. Piilonen,M. V. Purohit,J. Rauch,A. Rostomyan,M. Rozanska,Y. Sakai,S. Sandilya,L. Santelj,V. Savinov,T. Schlüter,O. Schneider,G. Schnell,C. Schwanda,A. J. Schwartz,Y. Seino,K. Senyo,O. Seon,M. E. Sevior,V.E. Shebalin,C. P. Shen,T.-A. Shibata,J. G. Shiu,B. Shwartz,Frank Simon,E. Solovieva,Samo Stanič,M. Starič,J. F. Strube,T. Sumiyoshi,M. Takizawa,U. Tamponi,F. Tenchini,K. Trabelsi,M. Uchida,S. Uno,Phillip Urquijo,Y. Ushiroda,Y. Usov,C. B. Van Hulse,G. S. Varner,A. Vinokurova,V. Vorobyev,C. H. Wang,M. Z. Wang,P. Wang,Y. Watanabe,K. M. Williams,E. Won,H. Yamamoto,J. Yamaoka,Y. Yamashita,John Yelton,Y. Yook,C. Z. Yuan,Y. Yusa,Z. P. Zhang,V.N. Zhilich,Victoria Zhukova,V. V. Zhulanov,A. Zupanc +181 more
TL;DR: In this paper, the authors reported a measurement of the ratio R(D*) = B((B) over bar (0) -> D*(+)tau(-)(nu) over bars (tau)), where l denotes an electron or a muon.
Journal ArticleDOI
Evidence of the purely leptonic decay B-→τ-ν̄τ
K. Ikado,Kazuo Abe,I. Adachi,Hiroaki Aihara,K. Akai,M. Akemoto,D. Anipko,K. Arinstein,V. M. Aulchenko,T. Aushev,Tariq Aziz,A. M. Bakich,Vladislav Balagura,Marco Barbero,A. Bay,I. Bedny,K. Belous,U. Bitenc,I. Bizjak,A. Bondar,A. Bozek,M. Bračko,T. E. Browder,P. Chang,A. Chen,W. T. Chen,Y. Choi,S. Cole,J. Dalseno,M. Danilov,M. Dash,S. Eidelman,D. Epifanov,J.W. Flanagan,S. Fratina,Kazuro Furukawa,N. Gabyshev,T. J. Gershon,A. Go,G. Gokhroo,B. Golob,Andrej Gorišek,H. Ha,J. Haba,K. Hara,T. Hara,N. C. Hastings,K. Hayasaka,H. Hayashii,Masashi Hazumi,L. Hinz,T. Hokuue,Y. Hoshi,S. R. Hou,W. S. Hou,N. Iida,T. Iijima,A. Imoto,K. Inami,A. Ishikawa,Hirokazu Ishino,R. Itoh,M. Iwasaki,Y. Iwasaki,Takuya Kamitani,J. H. Kang,S. U. Kataoka,N. Katayama,H. Kawai,T. Kawasaki,H. Kichimi,Eiji Kikutani,H. J. Kim,Ho Kim,K. Kinoshita,Haruyo Koiso,S. Korpar,P. Križan,P. Krokovny,R. Kulasiri,Rakesh Kumar,C. C. Kuo,A.S. Kuzmin,Y. J. Kwon,J. S. Lange,G. Leder,J. S. H. Lee,T. Lesiak,Antonio Limosani,S. W. Lin,D. Liventsev,Daniel Robert Marlow,T. Matsumoto,A. Matyja,S. McOnie,Shinichiro Michizono,Toshihiro Mimashi,W. A. Mitaroff,K. Miyabayashi,H. Miyata,Y. Miyazaki,R. Mizuk,T. Nagamine,I. Nakamura,Takashi Nakamura,E. Nakano,M. Nakao,S. Nishida,O. Nitoh,S. Noguchi,T. Nozaki,S. Ogawa,Y. Ogawa,K. Ohmi,T. Ohshima,Norihito Ohuchi,Katsunobu Oide,T. Okabe,S. Okuno,S. L. Olsen,Y. Onuki,W. Ostrowicz,H. Ozaki,P. Pakhlov,C. W. Park,H. Park,R. Pestotnik,L. E. Piilonen,Anton Poluektov,M. Rozanska,Y. Sakai,T. Schietinger,O. Schneider,C. Schwanda,K. Senyo,M. E. Sevior,M. Shapkin,H. Shibuya,Tetsuo Shidara,B. Shwartz,V.A. Sidorov,A. Sokolov,A. Somov,Samo Stanič,M. Starič,H. Stoeck,K. Sumisawa,T. Sumiyoshi,S. Suzuki,Osamu Tajima,F. Takasaki,K. Tamai,N. Tamura,M. H. Tanaka,Masafumi Tawada,G. N. Taylor,Y. Teramoto,X. C. Tian,K. Trabelsi,T. Tsuboyama,T. Tsukamoto,S. Uehara,T. Uglov,K. Ueno,Y. Unno,S. Uno,Yu. V. Usov,G. S. Varner,S. Villa,C. C. Wang,C. H. Wang,Y. Watanabe,E. Won,Bruce Yabsley,A. Yamaguchi,Y. Yamashita,M. Yamauchi,M. Yoshida,Y. Yusa,Long Zhang,Zhenyu Zhang,V.N. Zhilich,D. Zürcher +182 more
TL;DR: The first evidence of the decay B-→τ-ντ, using 414fb-1 of data collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider, was presented in this article.