the National Key Research and Development Program of China(2018YFA0404403 and 2022YFA1602302);the National Natural Science Foundation of China(11875074,11875073,12235020,12027809,11961141003,U1967201,U2167204,11775004,and 11775003);the Continuous Basic Scientific Research Project(WDJC-2019–13);the State Key Laboratory of Nuclear Physics and Technology,Peking University(NPT2020KFY10);the Leading Innovation Project(LC192209000701 and LC202309000201)。
The research of M.K.was supported in part by NSFC-ISF Grant No.3423/19.
Besides the observed quark-antiquark and three-quark states,the quark model predicts other states with integral charges,such as qqqq(tetraquarks)and qqqqq(pentaquarks).In 2015,the LHCb Collaboration observed J=wp reso...