Study of ππ final state interactions in ψ(2S) →π^+π^-J/ψ |
| |
引用本文: | 郭玉萍,平荣刚,肖振军.Study of ππ final state interactions in ψ(2S) →π^+π^-J/ψ[J].中国物理 C,2009,33(4):245-248. |
| |
作者姓名: | 郭玉萍 平荣刚 肖振军 |
| |
作者单位: | 1 Department of Physics and Institute of Theoretical Physics, Nanjing Normal University, Nanjing 210097, China;2 Institute of High Energy Physics, Chinese Academy of Sciences, P.O. Box 9181, Beijing 100049, China |
| |
基金项目: | Supported by NSFC, and Youth Innovation Project of IHEP |
| |
摘 要: | The π^+π^ transition of heavy quarkonia in decay ψ(2S) →π^+π^-J/ψ is studied. With the BESII data on the decay ψ(2S) →π^+π^-J/ψ, we update the values of coupling constants (gi) and chromopolarizability (αψ(2s)J/ψ) in this process.
|
关 键 词: | 相互作用 约翰逊 状态 偶合常数 观念更新 转型期 焦耳 衰变 |
收稿时间: | 2008-8-27 |
修稿时间: | 2008-11-25 |
本文献已被 维普 等数据库收录! |
| 点击此处可从《中国物理 C》浏览原始摘要信息 |
| 点击此处可从《中国物理 C》下载免费的PDF全文 |
|