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| 題名: | Search for CP violation in D ± meson decays to π ± |
| 作者: | 陳鎰鋒;Starič, M;Aihara, H;Arinstein, K;Asner, D M;Aushev, T;Bakich, A M;Bay, A;Bhardwaj, V;Bhuyan, B;Bozek, A;Bračko, M;Browder, T E;Chen, A;Chen, P;Cheon, B G;Chilikin, K;Chistov, R;Cho, I-S;Cho, K;Choi, Y;Doležal, Z;Drásal, Z;Eidelman, S;Fast, J E;Gaur, V;Gabyshev, N;Golob, B;Haba, J;Hayasaka, K;Horii, Y;Hoshi, Y;Hou, W-S;Hsiung, Y B;Iijima, T;Inami, K;Ishikawa, A;Itoh, R;Iwabuchi, M;Iwasaki, Y;Iwashita, T;Julius, T;Kang, J H;Kawasaki, T;Kiesling, C;Kim, H J;Kim, H O;Kim, J B;Kim, K T;Kim, M J;Kim, Y J;Kinoshita, K;Ko, B R;Kobayashi, N;Koblitz, S;Kodyš, P;Korpar, S;Križan, P;Kumita, T;Kwon, Y-J;Lange, J S;Lee, S-H;Li, J;Li, Y;Libby, J;Liu, C;Liu, Z Q;Louvot, R;McOnie, S;Miyabayashi, K;Miyata, H;Miyazaki, Y;Mohanty, G B;Nakano, E;Natkaniec, Z;Nishida, S;Nitoh, O;Nozaki, T;Ohshima, T;Okuno, S;Olsen, S L;Pakhlova, G;Park, H K;Park, K S;Pestotnik, R;Petrič, M;Piilonen, L E;Röhrken, M;Ryu, S;Sahoo, H;Sakai, K;Sakai, Y;Sanuki, T;Schneider, O;Schwanda, C;Schwartz, A J;Seon, O;Sevior, M E;Shebalin, V;Shen, C P;Shibata, T-A |
| 貢獻者: | 理學院物理學系 |
| 日期: | 2012-02-13 |
| 上傳時間: | 2026-04-23 13:02:02 (UTC+8) |
| 出版者: | American Physical Society;United States: American Physical Society |
| 摘要: | 摘要： 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(-)π(±) and the Cabibbo-favored decays D(s)(±)→K(+)K(-)π(±) in the K(+)K(-) mass region of the ϕ resonance. Using 955 fb(-1) of data collected with the Belle detector, we obtain A(CP)(D+→ϕπ+)=(+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.
其他題名： Phys Rev Lett
出版者： United States: American Physical Society
出版日期： 2012-02-17
出處： Physical review letters, 2012-02, Vol.108 (7), p.071801
資源來源： American Physical Society Journals
識別號： ISSN: 1079-7114
識別號： ISSN: 0031-9007
識別號： EISSN: 1079-7114
識別號： DOI: 10.1103/PhysRevLett.108.071801
識別號： PMID: 22401192 |
| 顯示於類別: | [物理學系] 期刊論文
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