Recently,the LHCb Collaboration reported the doubly charmed state T^(+)with IJ^(P)=01^(+)in the D^(0)^(0)π^(+) invariant mass spectrum[1].Its extremely small binding energy and width can match very well with the pred...Recently,the LHCb Collaboration reported the doubly charmed state T^(+)with IJ^(P)=01^(+)in the D^(0)^(0)π^(+) invariant mass spectrum[1].Its extremely small binding energy and width can match very well with the prediction of the DD*molecular state[2,3].展开更多
基金partly supported by the National Natural Science Foundation of China(11975033 and 12070131001)Chongqing Natural Science Foundation(cstc2019jcyj-msxm X0409)Fundamental Research Funds for the Central Universities(SWU118111)。
文摘Recently,the LHCb Collaboration reported the doubly charmed state T^(+)with IJ^(P)=01^(+)in the D^(0)^(0)π^(+) invariant mass spectrum[1].Its extremely small binding energy and width can match very well with the prediction of the DD*molecular state[2,3].