0^(--) hidden-heavy tetraquark states via QCD sum rules  

作　　者：Bing-Dong Wan Hong-Tai Xu 万秉东;徐鸿泰(Department of Physics,Liaoning Normal University,Dalian 116029,China;Center for Theoretical and Experimental High Energy Physics,Liaoning Normal University,Dalian 116029,China)

机构地区：[1]Department of Physics,Liaoning Normal University,Dalian 116029,China [2]Center for Theoretical and Experimental High Energy Physics,Liaoning Normal University,Dalian 116029,China

出　　处：《Chinese Physics C》2024年第9期50-59,共10页中国物理C（英文版）

基　　金：Supported in part by the National Natural Science Foundation of China(12247113);the Project funded by China Postdoctoral Science Foundation (2022M723117);the Specific Fund of Fundamental Scientific Research Operating Expenses for Undergraduate Universities in Liaoning Province,China (2024)。

摘　　要：In this study,we evaluated the mass spectra of the prospective 0^(--) hidden-charm and hidden-bottom tetraquark states in molecular configuration via QCD sum rules.In our calculation,the nonperturbative condensate contributions are considered up to dimension eight in operator product expansion.It is found that there could exist 4possible 0^(--) hidden-charm tetraquark states with masses(4.68±0.07),(4.22±0.09),(4.53±0.09),and(4.26±0.13) GeV.Their corresponding hidden-bottom partners are found lying at(11.04±0.10),(10.71±0.12),(11.09±0.10),and(11.82±0.14) GeV,respectively.The possible tetraquark decay modes were analyzed,which are expected to be measured in BESⅢ,BELLEⅡ,and LHCb experiments.

关 键 词：exotic hadronic states QCD sum rules TETRAQUARKS 

分 类 号：O572.33[理学—粒子物理与原子核物理]