Improved measurements of branching fractions for eta(c) -> phi phi and omega phi
文献类型：期刊论文
| 作者 | Ablikim, M.1; Achasov, M. N.9,62; Ai, X. C.1; Albayrak, O.5; Albrecht, M.4; Ambrose, D. J.50; Amoroso, A.55,57; An, F. F.1; An, Q.52,63; Bai, J. Z.1 |
| 刊名 | Physical review d
 |
| 出版日期 | 2017-05-11 |
| 卷号 | 95期号:9页码:13 |
| ISSN号 | 2470-0010 |
| DOI | 10.1103/physrevd.95.092004 |
| 通讯作者 | Ablikim, m.() |
| 英文摘要 | Using (223.7 +/- 1.4) x 10(6) j / psi events accumulated with the besiii detector, we study eta(c) decays to phi phi and omega phi final states. the branching fraction of n(c) -> phi phi is measured to be br(eta(c) -> phi phi) = (2.5 +/- 0(-0.7)(+0.3) +/- 0.6) x 10(-3,) where the first uncertainty is statistical, the second is systematic, and the third is from the uncertainty of br(j / psi -> gamma eta(c)). no significant signal for the double okubo-zweig-iizuka suppressed decay of eta(c) -> omega phi is observed, and the upper limit on the branching fraction is determined to be br(eta(c) -> omega phi) < 2.5 x 10(-4) at the 90% confidence level. |
| WOS关键词 | HELICITY-COUPLING AMPLITUDES ; C-DECAYS ; MESONS ; SPIN |
| WOS研究方向 | Astronomy & Astrophysics ; Physics |
| WOS类目 | Astronomy & Astrophysics ; Physics, Particles & Fields |
| 语种 | 英语 |
| 出版者 | AMER PHYSICAL SOC |
| WOS记录号 | WOS:000401232200001 |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2177415 |
| 专题 | 高能物理研究所 |
| 通讯作者 | Ablikim, M. |
| 作者单位 | 1.Inst High Energy Phys, Beijing 100049, Peoples R China 2.Beihang Univ, Beijing 100191, Peoples R China 3.Beijing Inst Petrochem Technol, Beijing 102617, Peoples R China 4.Bochum Ruhr Univ, D-44780 Bochum, Germany 5.Carnegie Mellon Univ, Pittsburgh, PA 15213 USA 6.Cent China Normal Univ, Wuhan 430079, Peoples R China 7.China Ctr Adv Sci & Technol, Beijing 100190, Peoples R China 8.COMSATS Inst Informat Technol, Def Rd,Off Raiwind Rd, Lahore 54000, Pakistan 9.GI Budker Inst Nucl Phys SB RAS BINP, Novosibirsk 630090, Russia 10.GSI Helmholtzctr Heavy Ion Res GmbH, D-64291 Darmstadt, Germany |
| 推荐引用方式 GB/T 7714 | Ablikim, M.,Achasov, M. N.,Ai, X. C.,et al. Improved measurements of branching fractions for eta(c) -> phi phi and omega phi[J]. Physical review d,2017,95(9):13. |
| APA | Ablikim, M..,Achasov, M. N..,Ai, X. C..,Albayrak, O..,Albrecht, M..,...&Zou, J. H..(2017).Improved measurements of branching fractions for eta(c) -> phi phi and omega phi.Physical review d,95(9),13. |
| MLA | Ablikim, M.,et al."Improved measurements of branching fractions for eta(c) -> phi phi and omega phi".Physical review d 95.9(2017):13. |
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来源：高能物理研究所
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