Search forCPViolation in the DecayB0→D*±D∓

T Aushev,E Nakano,K Miyabayashi,H Kawai,A Ishikawa,M Iwasaki,M Danilov,A J Schwartz,N C Hastings,O Nitoh,L Hinz,J S Lange,T Higuchi,F Takasaki,S Okuno,D Žontar,V Eiges,J Macnaughton,C H Wang,G N Taylor,S L Olsen,N Soni,P Križan,S Villa,D Liventsev,T Kawasaki,T Schietinger,M E Sevior,J Dragic,S Korpar,J Ying,M Nakao,H Ozaki,K Senyo,L S Peak,M Dash,K Trabelsi,D Mohapatra,T Ohshima,T Sumiyoshi,S L Zang,Y Yuan,P Pakhlov,T Lesiak,A Imoto,J Schümann,F Fang,T Okabe,T Iijima,P Chang,R Chistov,T Matsumoto,H Shibuya,A Bay,S Uehara,A Yamaguchi,A Kuzmin,B Golob,S U Kataoka,H Nakazawa,N Katayama,M Akatsu,H Miyake,H Miyata,Y Choi,S Semenov,Y Yamashita,Y Asano,S Nishida,M Starič,N Gabyshev,K Hayasaka,A M Bakich,S H Lee,P Krokovny,K Kinoshita,B G Cheon,H R Khan,J H Kang,K Sumisawa,Z Natkaniec,A Chen,U Bitenc,R Itoh,K Inami,A Somov,O Schneider,T Nagamine,M Bračko,A Chuvikov,T Uglov,T Hokuue,S Fratina,Y Teramoto,A Garmash,S Ogawa,K Ueno,Z P Zhang,S Eidelman,R Mizuk,F Mandl,S Uno,A Drutskoy,I Bizjak,T Tsukamoto,L E Piilonen,I Bedny,W Ostrowicz,G Gokhroo,H Park,Y Hoshi,I Adachi,Y Sakai,G Leder,Y Nagasaka,Y Kwon ,C C Kuo,Dong Liu ,T Gershon,S Hou,H Ishino,J Zhang,Y Chào ,W.-S Hou,M Hazumi,S Bahinipati,H Aihara,K Abe,A Bondar,K E Varvell,R Stamen,N Tamura,A Bożek ,J Brodzicka,M Tanaka,S K Kim,J S Kang,B Yabsley ,N Sato,S W Lin ,H Pałka ,W Mitaroff,S Blyth,O Tajima,V Zhilich,P Koppenburg,J Li,H Sagawa,W T Chen,T Aziz,C C Wang,Y Enari,T Mori,H J Kim,G Varner,L M Zhang

doi:10.1103/physrevlett.93.201802

Search forCPViolation in the DecayB0→D*±D∓

T Aushev, E Nakano + Show 154 more

Open Access

https://doi.org/10.1103/physrevlett.93.201802

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Journal: Physical Review Letters	Publication Date: Nov 9, 2004
Citations: 19

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

#Asymmetry In B0 #Slow Pion + Show 8 more

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Abstract

We report a search for CP-violating asymmetry in B0→D*±D∓ decays. The analysis employs two methods of B0 reconstruction: full and partial. In the full reconstruction method all daughter particles of the B0 are required to be detected; the partial reconstruction technique requires a fully reconstructed D− and only a slow pion from the D*+→D0πslow+ decay. From a fit to the distribution of the time interval corresponding to the distance between two B meson decay points we calculate the CP-violating parameters and find the significance of nonzero CP asymmetry to be 2.7 standard deviations.Received 13 August 2004DOI:https://doi.org/10.1103/PhysRevLett.93.201802©2004 American Physical Society

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