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| 題名: | Observation of the decay B0 →η′K∗ (892)0 |
| 作者: | 陳鎰鋒;Hulse, C. Van;Itoh, R.;Cho, K.;Kawasaki, T.;Golob, B.;Červenkov, D.;Nanut, T.;Shebalin, V.E.;Uchida, M.;Huschle, M.;Kim, D. Y.;Wang, M. Z.;Watanabe, M.;Petrič, Marko;Santelj, L.;Mizuk, R.;Uglov, T.;Kodys, Peter;Tamponi, U.;Bozek, A.;Shibata, T. A.;Piilonen, L. E.;Hayashii, H.;Sohn, Y. S.;Shwartz, B.A.;Eidelman, Semen;Stypula, J.;Bonvicini, G.;Bakich, A. M.;Korpar, S.;Fast, James E.;Nakao, M.;Ayad, R.;Schwartz, A. J.;Aihara, Hiroaki;Farhat, H.;Uehara, S.;Natkaniec, Z.;Nishida, S.;Liventsev, D.;Pedlar, T. K.;Won, E.;Sato, S.;Frost, O.;Sibidanov, A.L.;Park, H.;Križan, P.;Semmler, D.;Hayasaka, K.;Miyabayashi, K.;Wang, P.;Wang, C. H.;Teramoto, Y.;Vanhoefer, P.;Cheon, B. G.;Nisar, N. K.;Kuhr, T.;Sandilya, S.;Shen, C. P.;Ishikawa, A.;Steder, M.;Nedelkovska, E.;Goh, Y. M.;Bračko, M.;Ferber, T.;Unno, Yoshinobu;Li, J.;Cinabro, D.;Chang, P.;Bahinipati, Seema;Sumihama, M.;Grzymkowska, O.;Miyata, H.;Doležal, Z.;Yusa, Y.;Kinoshita, K.;Wehle, S.;Tatishvili, G.;Kim, Jung-Hyun;Starič, M.;Chilikin, K.;Jaegle, I.;Ogawa, S.;Drásal, Z.;Danilov, Mikhail;Sanuki, T.;Williams, K. M.;Chobanova, V.;Vorobyev, V.;Ritter, M.;Solovieva, E.;Bhuyan, B.;Thorne, F.;Varner, G. S.;Kumita, T.;Moll, A.;Zupanc, A.;Asner, D. M.;Simon, Frank;Rostomyan, A. |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | ddc:530;info:eu-repo/classification/ddc/530;Physics |
| 日期: | 2014-10-21 |
| 上傳時間: | 2026-04-23 12:34:40 (UTC+8) |
| 出版者: | American Physical Society;American Physical Society (APS) |
| 摘要: | 摘要: We report a search for charmless hadronic decays of neutral B mesons to eta ' K* (892)(0). The results are based on a 711 fb(-1) data sample that contains 772 x 10(6) B (B) over bar pairs, collected at the gamma(4S) resonance with the Belle detector at the KEKB asymmetric energy e(+)e(-) collider. We observe the decay for the first time with a significance of 5.0 standard deviations and obtain its branching fraction B[B-0 -> eta ' K* (892)(0)] = [2.6 +/- 0.7(stat) +/- 0.2(syst)] x 10(-6). We also measure the CP-violating asymmetry as A(CP) [B-0 -> eta ' K* (892)(0)] = -0.22 +/- 0.29(stat) +/- 0.07(syst). 出版者: American Physical Society (APS) 出版日期: 2014-10-21 出處: Physical Review D, 2014-10, Vol.90 識別號: ISSN: 1550-7998 識別號: EISSN: 1550-2368 識別號: DOI: 10.1103/physrevd.90.072009 |
| 顯示於類別: | [物理學系] 期刊論文
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