题目: Hidden-flavor transitions of higher quarkonia and heavy quark spin symmetry violation

时间：2018年8月8日（周三）上午10点

地点：格致楼5004报告厅

Abstract:

In heavy quarkonia, hadronic transitions serve as an elegant probe for the structure and help to establish the understanding of light quark coupling with a heavy degree of freedom. Moreover, in recent years, hadronic transitions revealed remarkable discoveries to identify the new conventional heavy quarkonia and extracting useful information about the “XYZ” exotic states. In this talk, I intend to introduce our newly developed model to create light meson(s) in heavy quarkonium transitions, which is inspired by Nambu-Jona-Lasinio model. The results thus obtained for the hidden-flavor η-transitions of higher S and D wave vector charmonia would be presented. In addition, the J^PC assignments for several experimentally observed charmonium-like states will be addressed.

报告人简介:

M. Naeem Anwar于2018年6月在中国科学研究院理论物理研究所获得博士学位, 论文题目是"重夸克偶素和四夸克态的谱学及强衰变研究". 读博期间, 他曾在德国波恩大学访问一段时间. 他荣获CAS-TWAS国际学生奖学金, 并被国科大评为"2018届优秀国际毕业生". M. Naeem Anwar在巴基斯坦Lahore的Punjab大学高能物理中心获得硕士学位.