Partial wave analysis of psi '->pi(+)pi(-)pi(0) at BESII
文献类型：期刊论文
| 作者 | BES Callaboration |
| 刊名 | PHYSICS LETTERS B
 |
| 出版日期 | 2005 |
| 卷号 | 619期号:3--4页码:247-254 |
| 关键词 | RHO-PI PUZZLE PSI' DECAYS POSSIBLE EXPLANATION E(+)E(-) EXPERIMENT DETECTOR J/PSI |
| 通讯作者 | Ablikim, M (reprint author), Inst High Energy Phys, Beijing 100039, Peoples R China. |
| 英文摘要 | The decay psi' + pi(+)pi(-)pi(0) is analyzed using a sample of 14 million psi' events taken with the BESII detector at the BEPC, and the branching fraction is measured to be B(psi' -> pi(+)pi(-)pi(0)) = (18.1 +/- 1.8 +/- 1.9) x 10(-5). A partial wave analysis is carried out using the helicity amplitude method. psi' -> rho(770)pi is observed, and the branching fraction is measured to be B(psi' -> rho(770)pi) = (5.1 +/- 0.7 +/- 1.1) x 10(-5), where the first error is statistical and the second one is systematic. A high mass enhancement with mass around 2.15 GeV/c(2) is also observed. Attributing this enhancement to the p(2150) resonance, the branching fraction is measured to be B(psi' -> rho(2150)pi -> pi(+)pi(-)pi(0)) = (19.4 +/- 2.5(-3.4)(+11.5)) x 10(-5). The results will help in the understanding of the longstanding "rho pi puzzle" between J/psi and psi' hadronic decays. (c) 2005 Elsevier B.V. All rights reserved. |
| 学科主题 | Physics |
| 类目[WOS] | Physics, Multidisciplinary |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000230373400008 |
| 公开日期 | 2016-02-26 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/212569]  |
| 专题 | 高能物理研究所_实验物理中心 |
| 作者单位 | 中国科学院高能物理研究所 |
| 推荐引用方式 GB/T 7714 | BES Callaboration. Partial wave analysis of psi '->pi(+)pi(-)pi(0) at BESII[J]. PHYSICS LETTERS B,2005,619(3--4):247-254. |
| APA | BES Callaboration.(2005).Partial wave analysis of psi '->pi(+)pi(-)pi(0) at BESII.PHYSICS LETTERS B,619(3--4),247-254. |
| MLA | BES Callaboration."Partial wave analysis of psi '->pi(+)pi(-)pi(0) at BESII".PHYSICS LETTERS B 619.3--4(2005):247-254. |
入库方式： OAI收割
来源：高能物理研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。