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| 題名: | First observation of Bs0→J/ψη and Bs0→J/ψη′ |
| 作者: | 陳鎰鋒;Li, J;Adachi, I;Arinstein, K;Aulchenko, V;Aushev, T;Bakich, A. M;Bhuyan, B;Bischofberger, M;Bondar, A;Bozek, A;Bracko, M;Brovchenko, O;Browder, T. E;Chang, M. C;Chen, A;Cheon, B. G;Chistov, R;Choi, S. K;Dalseno, J;Doleal, Z;Eidelman, S;Esen, S;Fast, J. E;Gaur, V;Goh, Y. M;Hara, T;Hoshi, Y;Hou, W. S;Iijima, T;Inami, K;Itoh, R;Iwashita, T;Julius, T;Katayama, N;Kawasaki, T;Kim, H. J;Kim, K. T;Kim, M. J;Kinoshita, K;Ko, B. R;Kobayashi, N;Korpar, S;Krian, P;Krokovny, P;Kumar, R;Lange, J. S;Lee, M. J;Liu, Y;Liu, Z. Q;Liventsev, D;Louvot, R;Matvienko, D;McOnie, S;Miyazaki, Y;Moll, A;Mori, T;Muramatsu, N;Nakamura, I;Nakano, E;Nakao, M;Nakazawa, H;Natkaniec, Z;Nishida, S;Nishimura, K;Nitoh, O;Ogawa, S;Olsen, S. L;Pakhlova, G;Park, C. W;Pestotnik, R;Petric, M;Rohrken, M;Ryu, S;Sakai, Y;Sanuki, T;Schneider, O;Schwanda, C;Senyo, K;Sevior, M. E;Shen, C. P;Shibata, T. A;Shiu, J. G;Simon, F;Smerkol, P;Sohn, Y. S;Sokolov, A;Staric, M;Sumihama, M;Teramoto, Y;Trabelsi, K;Uchida, M;Uno, S;Varner, G;Varvell, K. E;Vorobyev, V;Wang, P;Wicht, J;Won, E;Yuan, C. Z;Zhang, Z. P |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | Elementary Particles;Quantum Theory |
| 日期: | 2012-05-03 |
| 上傳時間: | 2026-04-23 11:55:52 (UTC+8) |
| 出版者: | American Physical Society;American Physical Society (APS) |
| 摘要: | 摘要： We report first observations of B(s)(0) → J/ψη and B(s)(0) → J/ψη'. The results are obtained from 121.4 fb(-1) of data collected at the Υ(5S) resonance with the Belle detector at the KEKB e+ e- collider. We obtain the branching fractions B(B(s)(0) → J/ψη)=[5.10±0.50(stat)±0.25(syst)(-0.79)(+1.14)(N(B(s)(*) B(s)(*))]×10(-4), and B(B(s)(0) → J/ψη')=[3.71±0.61(stat)±0.18(syst)(-0.57)(+0.83)(N(B(s)(*) B(s)(*))]×10(-4). The ratio of the two branching fractions is measured to be (B(B(s) → J/ψη'))/(B(B(s) → J/ψη))=0.73±0.14(stat)±0.02(syst).
出版者： American Physical Society (APS)
出版日期： 2012-05-03
出處： Physical Review Letters, 2012-05, Vol.108
資源來源： American Physical Society Journals
識別號： ISSN: 0031-9007
識別號： EISSN: 1079-7114
識別號： DOI: 10.1103/physrevlett.108.181808 |
| 顯示於類別: | [物理學系] 期刊論文
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