摘要
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].
作者
Cheng-Rong Deng
Shi-Lin Zhu
邓成荣;朱世琳(School of Physical Science and Technology,Southwest University,Chongqing 400715,China;School of Physics and Center of High Energy Physics,Peking University,Beijing 100871,China)
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)。