Search for the weak decay eta ' -> k-+/-pi(-/+) and precise measurement of the branching fraction b(j/psi -> phi eta ')
文献类型：期刊论文
| 作者 | Ablikim, M.1; Achasov, M. N.9,65; Ai, X. C.1; Albayrak, O.5; Albrecht, M.4; Ambrose, D. J.48; Amoroso, A.1,53,55,57; An, F. F.1; An, Q.50,60; Bai, J. Z.1 |
| 刊名 | Physical review d
 |
| 出版日期 | 2016-04-20 |
| 卷号 | 93期号:7页码:8 |
| ISSN号 | 2470-0010 |
| DOI | 10.1103/physrevd.93.072008 |
| 通讯作者 | Ablikim, m.() |
| 英文摘要 | We present the first search for the rare decay of eta' into k-+/- pi(-/+) in j/psi -> phi eta', using a sample of 1.3 x 10(9) j/psi events collected with the besiii detector. no significant signal is observed, and the upper limit at the 90% confidence level for the ratio b(eta' -> k-+/- pi(-/+))/b(eta' -> gamma pi(+/-) pi(-/+)) is determined to be 1.3 x 10(-4). in addition, we report the measurement of the branching fraction of j/psi -> phi eta' to be [5.10 +/- 0.03(stat) +/- 0.32(syst)] x 10(-4), which agrees with previous results from besii. |
| WOS关键词 | MESONS ; J/PSI |
| 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:000374548000001 |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2176530 |
| 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.Ruhr Univ Bochum, 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,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. Search for the weak decay eta ' -> k-+/-pi(-/+) and precise measurement of the branching fraction b(j/psi -> phi eta ')[J]. Physical review d,2016,93(7):8. |
| APA | Ablikim, M..,Achasov, M. N..,Ai, X. C..,Albayrak, O..,Albrecht, M..,...&Zou, J. H..(2016).Search for the weak decay eta ' -> k-+/-pi(-/+) and precise measurement of the branching fraction b(j/psi -> phi eta ').Physical review d,93(7),8. |
| MLA | Ablikim, M.,et al."Search for the weak decay eta ' -> k-+/-pi(-/+) and precise measurement of the branching fraction b(j/psi -> phi eta ')".Physical review d 93.7(2016):8. |
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来源：高能物理研究所
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