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| 題名: | First observation of the decay B0 →ψ (2S)π0 |
| 作者: | 陳鎰鋒;Dalseno, J;Kiesling, C;Aihara, H;Ayad, R;Babu, V;Bakich, A. M;Barberio, E;Behera, P;Bhuyan, B;Bračko, M;Červenkov, D;Chen, A;Cheon, B. G;Chistov, R;Cho, K;Cinabro, D;Dash, N;Drásal, Z;Drutskoy, A;Farhat, H;Fast, J. E;Fulsom, B. G;Gillard, R;Goh, Y. M;Goldenzweig, P;Golob, B;Grzymkowska, O;Hara, T;Hayasaka, K;Hayashii, H;Hou, W.-S;Iijima, T;Inami, K;Jaegle, I;Jeon, H. B;Joo, K. K;Katrenko, P;Kim, D. Y;Kim, M. J;Kodyš, P;KriŽan, P;Kuhr, T;Kumita, T;Kuzmin, A;Li, H;Li, L;Libby, J;Liventsev, D;Masuda, M;Matvienko, D;Miyabayashi, K;Miyata, H;Mohanty, G. B;Mohanty, S;Moll, A;Moon, H. K;Nakao, M;Nanut, T;Natkaniec, Z;Nayak, M;Nedelkovska, E;Nisar, N. K;Nishida, S;Pakhlov, P;Pal, B;Paul, S;Pestotnik, R;Petrič, M;RibeŽl, E;Sahoo, H;Sakai, Y;Schlüter, T;Schneider, O;Schnell, G;Schwanda, C;Schwartz, A. J;Seino, Y;Seon, O;Shebalin, V;Shibata, T.-A;Shwartz, B;Simon, F;Starič, M;Stypula, J;Tamponi, U;Uehara, S;Unno, Y;Usov, Y;Van Hulse, C;Vanhoefer, P;Varner, G;Vinokurova, A;Vorobyev, V;Wang, C. H;Wang, M.-Z;Wang, P;Wang, X. L;Watanabe, Y;Yusa, Y;Zhilich, V |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | ddc:530;High Energy Physics - Experiment;info:eu-repo/classification/ddc/530;Physics |
| 日期: | 2016-02-23 |
| 上傳時間: | 2026-04-23 11:56:06 (UTC+8) |
| 出版者: | American Physical Society;American Physical Society (APS) |
| 摘要: | 摘要： We report a measurement of the $B^0\rightarrow\psi(2S)\pi^0$ branching fraction based on the full $\Upsilon(4S)$ data set of $772\times10^{6}$ $B\bar{B}$ pairs collected by the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. We obtain $B(B^0\rightarrow\psi(2S)\pi^0) = (1.17\pm0.17\text{(stat)}\pm0.08\text{(syst)})\times10^{-5}$. The result has a significance of 7.2 standard deviations and is the first observation of the decay $B^0\rightarrow\psi(2S)\pi^0$. Comment: 16 pages, 2 figures, PRD(RC)
出版者： American Physical Society (APS)
出版日期： 2016-02-23
出處： Physical Review D, 2016-02, Vol.93
識別號： ISSN: 2470-0010
識別號： EISSN: 2470-0029
識別號： DOI: 10.1103/physrevd.93.031101 |
| 顯示於類別: | [物理學系] 期刊論文
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