Four-quark Bound States in Chiral SU(3) Quark Model

M. Zhang, H. X. Zhang, Z. Y. Zhang

The possibility of $QQ\bar{q}\bar{q}$ heavy-light four-quark bound states has been analyzed by means of the chiral SU(3) quark model, where $Q$ is the heavy quark ($c$ or $b$) and…