Search forCPViolation in the DecaysD0→KS0P0

B R Ko,E Won,C Kiesling,T Uglov,S Eidelman,A Chen,Y Yamashita,Y Hoshi,T Kawasaki,T Sumiyoshi,S L Olsen,K Kinoshita,M Bračko,J Haba,O Zyukova,A Kuzmin,B Shwartz,C P Shen,P Pakhlov,R Mizuk,V Bhardwaj,T Ohshima,A M Bakich,O Schneider,H Park,K Sumisawa,S Ogawa,P Smerkol,B Golob,K Inami,B G Cheon,D Liventsev,N Gabyshev,R Pestotnik,S Korpar,Y Watanabe,O Nitoh,A Ishikawa,R Itoh,Y Teramoto,K Belous,M Iwabuchi,R Louvot,K Nishimura,Y Miyazaki,S Tanaka,K Arinstein,E Nakano,M Shapkin,M J Lee,M Starič,A Vinokurova,C Schwanda,G B Mohanty,M E Sevior,T E Browder,M J Kim,M Uchida,M Yamauchi,Y Sakai,H Hayashii,A J Schwartz,M Nakao,L E Piilonen,A Garmash,C H Wang,T Iwashita,T Aushev,M Feindt,Y Usov,K Miyabayashi,D Epifanov,H Ha,Z P Zhang,T Iijima,T Julius,H Miyata,K Senyo,A Zupanc,M Sumihama,J H Kang,M Bischofberger,B Bhuyan,S Nishida,S Uehara,H J Hyun,K Trabelsi,E Solovieva,Y Choi,A Matyja,S Okuno,Takashi Mori ,J G Shiu ,V Shebalin,Ki-Seok Choi ,S Stanič,A Bożek ,V Zhulanov,P Križan,C C Chiang ,Y S Sohn ,K Cho,H O Kim,J B Singh,K E Varvell,V Balagura,E L Barberio ,A Bondar,W.-S Hou,S H Kyeong ,M Petrič,Y.-J Kwon,J Brodzicka,G Varner,C Liu,Ramanuj Kumar ,P Chen,Y J Kim,M Roehrken ,Y Unno,A Poluektov,M.-Z Wang,C W Park,P Kodyš,F Simon,I.-S Cho,S K Choi ,Y Horii,S.-H Lee,V Zhilich

doi:10.1103/physrevlett.106.211801

Search forCPViolation in the DecaysD0→KS0P0

B R Ko, E Won + Show 128 more

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https://doi.org/10.1103/physrevlett.106.211801

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Journal: Physical Review Letters	Publication Date: May 23, 2011
Citations: 12	License type: publisher-specific, author manuscript

Affiliation: Korea University, Max Planck Society, Budker Institute of Nuclear Physics, National Central University, Tohoku Gakuin University, Niigata University, Tokyo Metropolitan University, Seoul National University, University of Cincinnati, University of Maribor, Panjab University, Nagoya University, University of Sydney, École Polytechnique Fédérale de Lausanne, Kyungpook National University, Toho University, University of Ljubljana, Hanyang University, Kanagawa University, Tokyo University of Agriculture and Technology, Saga University, Osaka City University, Yonsei University, Austrian Academy of Sciences, Tata Institute of Fundamental Research, University of Melbourne, Tokyo Institute of Technology, Nara Women's University, Virginia Tech, National United University, Karlsruhe Institute of Technology, University of Science and Technology of China, Gifu University, Indian Institute of Technology Guwahati, Sungkyunkwan University, Polish Academy of Sciences

#Decays D0 #CP Asymmetry Measurement + Show 8 more

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Abstract

We have searched for CP violation in the decays D0→KS0P0 where P0 denotes a neutral pseudoscalar meson that is either a π0, η, or η′ using KEKB asymmetric-energy e+e− collision data corresponding to an integrated luminosity of 791 fb−1 collected with the Belle detector. No evidence of significant CP violation is observed. We report the most precise CP asymmetry measurement in the decay D0→KS0π0 to date: ACPD0→KS0π0=(−0.28±0.19±0.10)%. We also report the first measurements of CP asymmetries in the decays D0→KS0η and D0→KS0η′: ACPD0→KS0η=(+0.54±0.51±0.16)% and ACPD0→KS0η′=(+0.98±0.67±0.14)%, respectively.Received 17 January 2011DOI:https://doi.org/10.1103/PhysRevLett.106.211801© 2011 American Physical Society

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