The analytical forms of the interaction potentials between one pseudo-scalar/vector and one scalar/tensor/axial-vector heavy mesons are deduced based on a chiral quark model. Our results explicitly show the attractive...The analytical forms of the interaction potentials between one pseudo-scalar/vector and one scalar/tensor/axial-vector heavy mesons are deduced based on a chiral quark model. Our results explicitly show the attractive property between the two heavy mesons. Consequently, a series of possible molecular states are obtained. It is expected that our study might shed some light on the popular discussions of the newly observed XYZ states.展开更多
基金Supported by National Natural Science Foundation of China under Grant Nos.11105158,11035006,10975146,11261130,and 11475192Ministry of Science and Technology of China under Grant No.2009CB825200+1 种基金the Fundamental Research Funds for the Central Universities of Chinathe DFG and NSFC through Funds Provides to the Sino–German CRC 110"Symmetries and the Emergence of Structure in QCD"
文摘The analytical forms of the interaction potentials between one pseudo-scalar/vector and one scalar/tensor/axial-vector heavy mesons are deduced based on a chiral quark model. Our results explicitly show the attractive property between the two heavy mesons. Consequently, a series of possible molecular states are obtained. It is expected that our study might shed some light on the popular discussions of the newly observed XYZ states.