Search For Cp Violation In D-+/- Meson Decays To Phi Pi(+/-)

Marko Starič,Hiroaki Aihara,K. E. Arinstein,David M. Asner,Tagir A Kh Aushev,A. M. Bakich,Aurelio Bay,V. N. Bhardwaj,Bipul Bhuyan,Andrzej Bozek,Marko Bračko,Thomas E. Browder,Augustine E. Chen,Pisin Chen,Byunggu Cheon,K. Chilikin,Ruslan N. Chistov,Insung Cho,Kwangsoo Cho,Yoonsuk Choi,Zdeněk Doležal,Zbyněk Drásal,Simon I. Eidelman,James E. Fast,V. Gaur,N. I. Gabyshev,Boštjan Golob,Junji Haba,Kiyoshi Hayasaka,Y. Horii,Yoshimoto Hoshi,W. S. Hou,Y. B. Hsiung,Toru Iijima,Kenji Inami,Akimasa Ishikawa,Ryosuke Itoh,Masaya Iwabuchi,Yoshihito Iwasaki,Tomoko Iwashita,T. Danger Julius,Joohoon Kang,Takeo Kawasaki,Ch M. Kíesling,Hongju Kim,Hyunok Kim,Jungbae Kim,K. T. Kim,Maengjun Kim,Youngjin Kim,Kay Kinoshita,Byeongrok Ko,Nobuyuki Kobayashi,S. Koblitz,Peter Kodyš,Samo Korpar,Peter Križan,Tetsuro Kumita,Youngjoon Kwon,Jens Sören Lange,Soohyung Lee,Jaeho Li,Yanxi Li,Jim F. Libby,C. Y. Liu,Zuqin Liu,Remi Louvot,S. McOnie,Kenkichi Miyabayashi,Hitoshi Miyata,Yoshiyuki Miyazaki,Gagan B. Mohanty,Eiichi Nakano,Z. Natkaniec,Shohei Nishida,Osamu Nitoh,Tadao Nozaki,Takayoshi Ohshima,Shoji Okuno,Stephen Lars Olsen,Galina V. Pakhlova,H. K. Park,Kyoungsook Park,Rok Pestotnik,M. Petrič,Leo E. Piilonen,Markus Röhrken,Sigang Ryu,Himansu Sahoo,Kunihiro Sakai,Yoshihide Sakai,Tomoyuki Sanuki,Olivier Schneider,Christoph Schwanda,A. J. Schwartz,O. Seon,Martin E. Sevior,V. E. Shebalin,Chengping Shen,Tatsunobu Shibata,J. G. Shiu,Boris A. Shwartz,Frank Simon,P. Smerkol,Y. S. Sohn,Anatoli A. Sokolov,Samo Stanič,Mizuki Sumihama,K. Sumisawa,Gocha T. Tatishvili,Yoshiki Teramoto,Karim Trabelsi,Makoto Uchida,Sadaharu Uehara,T. Uglov,Yuuji Unno,Shoji Uno,Phillip Urquijo,Gary S. Varner,Anselm Vossen,Chunghsiang Wang,M. Z. Wang,Masakazu Watanabe,Yoshio Watanabe,Kerry M. Williams,Eunil Won,B. D. Yabsley,Yousuke Yamashita,Chao Yuan,Changchun Zhang,Ziping Zhang,Victor N. Zhilich,Vladimir V. Zhulanov,A. Zupanc

PHYSICAL REVIEW LETTERS（2012）

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Abstract

We search for CP violation in Cabibbo-suppressed charged D meson decays by measuring the difference between the CP-violating asymmetries for the Cabibbo-suppressed decays D-+/- -> K+K-pi(+/-) and the Cabibbo-favored decays D1/s -> K+K-pi(+/-) in the K+K- mass region of the phi resonance. Using 955 fb(-1) of data collected with the Belle detector, we obtain A(CP)(D+->phi pi+) (+0.51 +/- 0.28 +/- 0.05)%. The measurement improves the sensitivity of previous searches by more than a factor of 5. We find no evidence for direct CP violation.

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