1. IE browser is NOT supported anymore. Please use Chrome, Firefox or Edge instead.
2. If you are a new user, please register to get an IHEP SSO account through https://login.ihep.ac.cn/registlight.jsp Any questions, please email us at helpdesk@ihep.ac.cn or call 88236855.
3. If you need to create a conference in the "Conferences, Workshops and Events" zone, please email us at helpdesk@ihep.ac.cn.
4. The max file size allowed for upload is 100 Mb.

自旋单态粒子产生和衰变研究

16 Jul 2026, 14:50
15m
汕头厅 (2号楼二楼)

汕头厅

2号楼二楼

Speaker

tengjiao zhu (Xinyang Normal University)

Description

低质量粲偶素自旋单态eta_c和h_c粒子是研究粲偶素衰变动力学、检验强相互作用相关模型的重要实验平台。利用BESIII实验采集的27亿psi3686和100亿J/psi事例,本报告将介绍近期关于自旋单态粒子产生和衰变研究的进展,包括首次测量eta_c -> gamma gamma衰变的绝对分支比、对Jpsi-> gamma eta_c电磁跃迁衰变分支比的精度测量,首次观测到若干eta_c衰变模式,以及发现h_c的辐射衰变gamma f_2(1270)等。这些结果为理解非微扰QCD效应提供了新的实验信息。

请选择分会 强子物理与味物理

Primary author

tengjiao zhu (Xinyang Normal University)

Presentation materials