Time-dependent CP violation effects in partially reconstructed [formula omitted] decays

T Gershon,Y Hoshi,J Li,S Uehara,J Haba,A Chen,P Pakhlov,T Schietinger,P Chang,T Uglov,T Kawasaki,Y Choi,R Pestotnik,T Iijima,Y Ushiroda,U Bitenc,M Iwasaki,N Gabyshev,G Majumder,S Banerjee,A Kuzmin,O Tajima,Heyoung Yang,M Starič,T Sumiyoshi,M Yamauchi,D Mohapatra,T Aushev,Y Asano,T Tsuboyama,A Gorišek,F Takasaki,S Ogawa,O Schneider,E Nakano,H Sagawa,H Kawai,K Trabelsi,N Parslow,T Okabe,T Matsumoto,S Nishida,D Liventsev,G Leder,A Imoto,Y Teramoto,A Poluektov,L Hinz,A Yamaguchi,Y Sakai,T Tsukamoto,A Bondar,S Stanič,N Kent,J Macnaughton,Y Yamashita,T Ohshima,M Bračko,M Hazumi,G Varner,H Aihara,H Yamamoto,H Miyata,R Stamen,T Nozaki,J Ying,H Kichimi,P Krokovny,N Tamura,I Adachi,K Tamai,S Suzuki,M Dash,K Sumisawa,A Garmash,S Fratina,S Blyth,A Ishikawa,C Schwanda,K Hara,S Villa,G Gokhroo,H Miyake,W.-S Hou,H Ishino,I Bedny,W Ostrowicz,F Mandl,B Golob,T Nagamine,P Kapusta,W Mitaroff,P Urquijo,K Kinoshita,D Marlow,S Eidelman,S Hou,T Lesiak,D Žontar,H Nakazawa,J Dragic,K Miyabayashi,K Inami,K Hayasaka,S Cole,I Bizjak,T Hokuue,K Senyo,M Nakao,A Chuvikov,J Dalseno,H Hayashii,M Watanabe,O Nitoh,R Itoh,H Shibuya,A Limosani,S Bahinipati,A Bay,J Zhang,S Okuno,A Somov,Y Mikami,S Uno,M Danilov,J Brodzicka,N Katayama,M Tanaka,N Sato,Y Chào ,J B Singh ,C C Kuo ,C H Wang ,S M Kim ,A J Schwartz ,B Yabsley ,S K Choi ,Suneel Kumar ,T E Browder ,Qingguo Xie ,H Pałka ,W T Chen ,K E Varvell ,H J Kim ,M C Chang ,L M Zhang ,S W Lin ,J S Kang ,T Sarangi ,B G Cheon ,A Bożek ,X C Tian ,G R Moloney ,C W Park ,M E Sevior ,C C Wang ,J H Kang ,A M Bakich ,H R Khan ,N C Hastings ,L S Peak ,S L Olsen ,Y J Kwon ,Abe K ,T A Shibata ,F J Ronga ,L E Piilonen ,Z P Zhang

doi:10.1016/j.physletb.2005.07.020

Time-dependent CP violation effects in partially reconstructed [formula omitted] decays

T Gershon, Y Hoshi + Show 166 more

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https://doi.org/10.1016/j.physletb.2005.07.020

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Journal: Physics Letters B	Publication Date: Jul 20, 2005
Citations: 5	License type: cc-by

Affiliation: Tohoku Gakuin University, National Central University, École Polytechnique Fédérale de Lausanne, National Taiwan University, Niigata University, Sungkyunkwan University, Nagoya University, The University of Tokyo, Budker Institute of Nuclear Physics, Tata Institute of Fundamental Research, Seoul National University, Tokyo Metropolitan University, Virginia Tech, University of Tsukuba, Toho University, Osaka City University, Chiba University, University of Sydney, Austrian Academy of Sciences, Nara Women's University, Tohoku University, University of Maribor, Peking University, Osaka University, Princeton University, Polish Academy of Sciences, University of Ljubljana, University of Cincinnati, University of Melbourne, Tokyo University of Agriculture and Technology, Kanagawa University

#Partially Reconstructed #CP Violation Parameters + Show 8 more

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Abstract

We report measurements of time-dependent decay rates for B0→D∗∓π± decays and extraction of CP violation parameters related to ϕ3. We use a partial reconstruction technique, whereby signal events are identified using information only from the primary pion and the charged pion from the decay of the D∗∓. The analysis uses 140 fb−1 of data accumulated at the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e− collider. We measure the CP violation parameters S+=0.035±0.041(stat)±0.018(syst) and S−=0.025±0.041(stat)±0.018(syst).

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