Observation of D+(s)K- and evidence for D+(s)pi- final states in neutral B decays.

P Krokovny,K Inami,A Kuzmin,J S Lange,S Korpar,Y Yamashita,S Tokuda,F Takasaki,J Tanaka,F Mandl,H Kichimi,T Tomura,W Ostrowicz,L E Piilonen,S Eidelman,M Satapathy,C Schwanda,T Abe,T Matsumoto,M Starič,E M Heenan,K Tamai,A Yamaguchi,Y Hoshi,I Bedny,N Gabyshev,H Miyake,O Nitoh,V Eiges,T Iijima,S Uno,Y Onuki,A Bay,T Kawasaki,J Macnaughton,B Shwartz,A Drutskoy,H Park,T Nozaki,D Liventsev,Y Teramoto,T Aushev,I Bizjak,P Pakhlov,Y Miyabayashi,C H Wang,J Haba,K Suzuki,K Rybicki,K Miyabayashi,J H Kang,K Ueno,H Shibuya,K Neichi,T Higuchi,A Satpathy,T Hojo,T E Browder,T Hokuue,Y Asano,F Handa,M Bračko,A Sugiyama,D Žontar,H Miyata,H Ozaki,Y Ushiroda,L Hinz,A Gordon,T Matsuishi,K Sumisawa,M Akatsu,Y Yusa,A M Bakich,K Trabelsi,I Adachi,T Nagamine,Y Ban,H Nakazawa,Y Yuan,T Sumiyoshi,M Nakao,A Ishikawa,N Katayama,T Igaki,Y Choi,S Uehara,J Yashima,A Garmash,E Nakano,K Senyo,B Golob,R Kulasiri,Heejong Kim,S H Lee,Z P Zhang,S L Olsen,Z Natkaniec,G N Taylor,S Matsumoto,H Kawai,M Danilov,P Chang,M Yamauchi,G Leder,S Ogawa,S Semenov,T Tsukamoto,Y Sakai,H Hayashii,E Won,P Križan,A Sugi,Y Watanabe,R Chistov,C C Zhang,T Tsuboyama,G R Moloney,T Okabe,T Ohshima,B G Cheon,S Nishida,K Kinoshita,T Nakadaira,O Schneider,R Itoh,F Fang,H Iwasaki ,H Sagawa ,J W Nam ,K F Chen ,C Fukunaga ,Yasunari Harada ,G Majumder ,H J Kim ,Akira Murakami ,S Suzuki ,Suneel Kumar ,S K Swain ,V Sidorov ,B Yabsley ,S Stanič ,Y Kawakami ,N Tamura ,S K Kim ,V Zhilich ,R.-S Lu ,M Hazumi ,M Peters ,K E Varvell ,H O Kim ,Hyun Woo Kim ,S K Choi ,F J Ronga ,H Ishino ,T Mori ,K Hanagaki ,Dong Liu ,Haruo Yanai ,S Kobayashi ,K Abe ,Y Chào ,A Bożek ,G Varner ,W.-S Hou ,Y Enari ,J G Wang ,Byoung Sup Ahn ,J S Kang ,Shoji Suzuki ,D W Kim ,V Aulchenko ,Yukiko Yamada ,M Z Wang ,J Li ,J Brodzicka ,J B Singh ,A Bondar ,Y J Kwon ,H Sakamoto ,B C.k Casey ,J Zhang ,W Mitaroff ,D Marlow ,P K Behera ,C.w Everton ,C W Park ,Y Unno ,T Gershon ,Tohru Takahashi ,T Aso ,A Limosani ,C C Wang ,Y Nagasaka ,Hsuan‐Cheng Huang ,R S Guo ,J P Perroud ,H Aihara ,H K Jang ,E Banaś ,Y Zheng ,Saburou Saitoh ,N Root ,J Kaneko ,M Tanaka ,N Kawamura

doi:10.1103/physrevlett.89.231804

Observation of D+(s)K- and evidence for D+(s)pi- final states in neutral B decays.

P Krokovny, K Inami + Show 204 more

Open Access

https://doi.org/10.1103/physrevlett.89.231804

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Journal: Physical Review Letters	Publication Date: Nov 18, 2002
Citations: 42

Affiliation: Budker Institute of Nuclear Physics, Nagoya University, Goethe University Frankfurt, University of Maribor, The University of Tokyo, Austrian Academy of Sciences, Virginia Tech, Utkal University, Tohoku University, Tokyo Metropolitan University, University of Melbourne, Tohoku Gakuin University, Osaka University, Tokyo University of Agriculture and Technology, Niigata University, University of Lausanne, Kyungpook National University, Osaka City University, National Taiwan University, Nara Women's University, Yonsei University, Toho University, University of Cincinnati, University of Tsukuba, University of Sydney, Peking University, Chuo University, Sungkyunkwan University, University of Ljubljana, Seoul National University, University of Science and Technology of China, Chiba University, Korea University, Tokyo Institute of Technology, Kyoto University

#Branching Fraction #Belle Detector + Show 3 more

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Abstract

We report the first observation of a B meson decay that is not accessible by a direct spectator process. The channel B(0)-->D(+)(s)K- is found in a sample of 85 x 10(6) BB; events, collected with the Belle detector at KEKB, with a branching fraction B(B(0)-->D(+)(s)K-)=(4.6(+1.2)(-1.1)+/-1.3) x 10(-5). We also obtain evidence for the B0-->D(+)(s)pi(-) decay with branching fraction B(B0-->D(+)(s)pi(-))=(2.4(+1.0)(-0.8)+/-0.7) x 10(-5). This value may be used to extract a model-dependent value of |V(ub)|.

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