Measurement of D 0 – D‾0 mixing and search for CP violation in D 0 → K + K − , π + π − decays with the full Belle data set M Staric , M Bracko , D Liventsev , B R Ko , M Petric , D Epifanov , Y Yook , V Chekelian , Masami Masuda , V Babu , S Uehara , K Hayasaka , P Lukin , T Uglov , In Sun Lee , V Vorobyev , Dipanwita Dutta , Y Choi , Si Hoon Kim , C Z Yuan , Michael G Ziegler , I Jaegle , Hongkyu Park , M N Wagner , S Okuno , G B Mohanty , L E Piilonen , K Cho , B G Cheon , Pixin Wang , B Golob , K Arinstein , T Iijima , A Ishikawa , J S Lange , P Urquijo , A Bozek , J Biswal , J Libby , G Inguglia , Yutaka Watanabe , K Inami , I Badhrees , M Sumihama , J Fast , C P Shen , G Varner , P Vanhoefer , R Pestotnik , H Hayashii , X H He , Y Sakai , J Haba , S Korpar , N K Nisar , S Ogawa , T Julius , T Aushev , A Rostomyan , J Grygier , G Bonvicini , R Mizuk , E Solovieva , P Kodys , D Y Kim , T K Pedlar , B G Fulsom , T A Shibata , O Schneider , M Ritter , H Farhat , Z Natkaniec , E Won , A Moll , Y J Kwon , S Uno , D Matvienko , I Adachi , T Aziz , Yanfeng Li , V Gaur , P Lewis , A Abdesselam , D Cervenkov , Kyung Ho Kang , S Ganguly , R Chistov , Kengo Kinoshita , Masahiko Watanabe , T Ferber , S Yashchenko , U Tamponi , M Steder , W S Hou , R Gillard , S Eidelman , C W Park , Z Doležal , P Križan , V Zhulanov , R Mussa , R Ayad , M Nakao , C Schwanda , H Aihara , P Goldenzweig , X L Wang , T Sanuki , V Zhilich , M Z Wang , H K Moon , T Keck , A Vinokurova , Ai Chen , T Kawasaki , R Glattauer , Y S Sohn , V Chobanova , T E Browder , N Gabyshev , J Dalseno , P Krokovny , A J Schwartz , K Chilikin , P Pakhlov , D M Asner , J H Kim , F Simon , K Senyo , Vikas Bansal , Y J Kim , Y M Goh , V Shebalin , B Shwartz , Yoshikuni Teramoto , C H Wang , H Miyata , A Bondar , C Van Hulse , K Trabelsi , K Miyabayashi , D Cinabro , S Bahinipati , Y Unno , R Itoh , G Schnell , M Danilov , A Sokolov , M J Kim , V Savinov , J G Shiu , A Kuzmin , A Zupanc , D Joffe , T Kumita , G Pakhlova , S Nishida , K M Williams , S Sandilya , L Pesantez , T Nanut , T Hara , Z P Zhang , E Ribežl , A Garmash , S Stanic , A M Bakich , C L Hsu , C Kiesling , B K Pal , L Li Gioi , Y Usov , Makoto Uchida PHYSICS LETTERS B（2016）
摘要
We report an improved measurement of D-0-(D) over bar (0) mixing and a search for CP violation in D-0 decays to CP-even final states K+K- and pi(+)pi(-). The measurement is based on the final Belle data sample of 976 fb(-1). The results are y(CP) = (1.11 +/- 0.22 +/- 0.09)% and A(Gamma) =(-0.03 +/- 0.20 +/- 0.07)%, where the first uncertainty is statistical and the second is systematic. (C) 2015 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
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关键词
Charm mesons, Mixing, CP violation
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