在 $J/\psi\rightarrow \gamma \phi \phi$ 中赝标量与张量共振态的观测
高能物理 - 实验
2016-06-29 v3
摘要
基于在 BEPCII 储存环上运行的 BESIII 探测器收集的 个 事例样本,为了研究中间态,对衰变 进行了部分波分析。部分波分析的结果表明,这些结构主要是 态。确认了 的存在,并测量了其共振参数。观测到了另外两个赝标态:质量为 ~MeV/、宽度为 ~MeV/ 的 ,以及质量为 ~MeV/、宽度为 ~MeV/ 的 。除了这三个赝标态外,在 过程中还观测到了标量态 以及三个张量态 、 和 。报告了乘积分支比 (。
引用
@article{arxiv.1602.01523,
title = {Observation of pseudoscalar and tensor resonances in $J/\psi\rightarrow \gamma \phi \phi$},
author = {M. Ablikim and M. N. Achasov and X. C. Ai and O. Albayrak and M. Albrecht and D. J. Ambrose and A. Amoroso and F. F. An and Q. An and J. Z. Bai and R. Baldini Ferroli and Y. Ban and D. W. Bennett and J. V. Bennett and M. Bertani and D. Bettoni and J. M. Bian and F. Bianchi and E. Boger and I. Boyko and R. A. Briere and H. Cai and X. Cai and O. Cakir and A. Calcaterra and G. F. Cao and S. A. Cetin and J. F. Chang and G. Chelkov and G. Chen and H. S. Chen and H. Y. Chen and J. C. Chen and M. L. Chen and S. J. Chen and X. Chen and X. R. Chen and Y. B. Chen and H. P. Cheng and X. K. Chu and G. Cibinetto and H. L. Dai and J. P. Dai and A. Dbeyssi and D. Dedovich and Z. Y. Deng and A. Denig and I. Denysenko and M. Destefanis and F. De Mori and Y. Ding and C. Dong and J. Dong and L. Y. Dong and M. Y. Dong and Z. L. Dou and S. X. Du and P. F. Duan and J. Z. Fan and J. Fang and S. S. Fang and X. Fang and Y. Fang and R. Farinelli and L. Fava and O. Fedorov and F. Feldbauer and G. 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journal= {arXiv preprint arXiv:1602.01523},
year = {2016}
}