摘要
In this article, we assign the Y（4390） and Y（4220） to be the vector molecular states D1（2420） and D＊ ＊0（2400）, respectively, and study their masses and pole residues in detail with the QCD sum rules. The present calculations only favor assigning the Y（4390） to be the D1（1^--） molecular state.
In this article, we assign the Y（4390） and Y（4220） to be the vector molecular states D1（2420） and D＊ ＊0（2400）, respectively, and study their masses and pole residues in detail with the QCD sum rules. The present calculations only favor assigning the Y（4390） to be the D1（1^--） molecular state.
作者
Zhi-Gang Wang
王志刚(Department of Physics,North China Electric Power University,Baoding 071003,China)
基金
Supported by National Natural Science Foundation(11375063)
