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| 題名: | Search for the decay B0→DK *0 followed by D→K -π + |
| 作者: | 陳鎰鋒;Negishi, K;Onuki, Y;Sanuki, T;Yamamoto, H;Aihara, H;Aushev, T;Bakich, A. M;Ban, Y;Bhuyan, B;Bondar, A;Browder, T. E;Chang, M. C;Cheon, B. G;Chilikin, K;Chistov, R;Cho, I. S;Cho, K;Dalseno, J;Doleal, Z;Drutskoy, A;Eidelman, S;Fast, J. E;Gaur, V;Gabyshev, N;Goh, Y. M;Hayashii, H;Hoshi, Y;Hou, W. S;Hyun, H. J;Ishikawa, A;Itoh, R;Iwabuchi, M;Julius, T;Kang, J. H;Kawasaki, T;Kim, H. J;Kim, J. B;Kim, J. H;Kim, M. J;Kim, Y. J;Ko, B. R;Kody, P;Korpar, S;Kouzes, R. T;Kuhr, T;Kwon, Y. J;Lee, S. H;Libby, J;Liu, C;Liu, Y;Liu, Z. Q;Louvot, R;McOnie, S;Miyabayashi, K;Miyata, H;Miyazaki, Y;Moll, A;Nakano, E;Ogawa, S;Ohshima, T;Okuno, S;Park, H. K;Pedlar, T. K;Pestotnik, R;Petric, M;Piilonen, L. E;Rohrken, M;Ryu, S;Sakai, K;Sakai, Y;Schwartz, A. J;Sevior, M. E;Shapkin, M;Shibata, T. A;Shiu, J. G;Simon, F;Smerkol, P;Sohn, Y. S;Solovieva, E;Stanic, S;Staric, M;Sumihama, M;Sumiyoshi, T;Suzuki, S;Tatishvili, G;Teramoto, Y;Trabelsi, K;Uchida, M;Uno, S;Urquijo, P;Varner, G;Vorobyev, V;Wang, C. H;Wang, M. Z;Watanabe, M;Won, E;Yabsley, B. D;Yamashita, Y;Zhilich, V;Zhulanov, V |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | Belle Detector;Cp-Violation;ddc:530;Gamma;info:eu-repo/classification/ddc/530;Physics |
| 日期: | 2012-07-03 |
| 上傳時間: | 2026-04-23 14:05:12 (UTC+8) |
| 出版者: | American Physical Society;American Physical Society (APS) |
| 摘要: | 摘要： We report a study of the decay B-0 -> DK+ pi(-) followed by D -> K- pi(+) , where D indicates D-0 or (D) over bar (0). We reconstruct the DK+ pi(-) state in a phase space corresponding to DK*(892)(0). The CP-violating angle phi(3) affects its decay rate via the interference between b -> u and b -> c transitions. The result is obtained from a 711 fb(-1) data sample that contains 772 X 10(6)B (B) over bar pairs collected at the Y(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+) e(-) collider. We measure the ratio R-DK*0 Gamma(B-0 -> [K- pi(+) ](D)K+ pi(-))/Gamma(B-0 -> [K+ pi(-)](D)K+ pi(-)) to be (4.5(-5.0-1.8)(+5.6+2.8)) X 10(-2), and set an upper limit of R-DK*0 < 0.16 at the 95% credible interval.
出版者： American Physical Society (APS)
出版日期： 2012-07-03
出處： Physical Review D, 2012-07, Vol.86
識別號： ISSN: 1550-7998
識別號： EISSN: 1550-2368
識別號： DOI: 10.1103/physrevd.86.011101 |
| 顯示於類別: | [物理學系] 期刊論文
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