Chiral SU(3) Quark Model Study of Tetraquark States: $cn\bar{n}\bar{s}/cs\bar{s}\bar{s}$

H. X. Zhang, W. L. Wang, Y. -B. Dai +1

The new members of the charm-strange family $D_{sJ}^{\ast }(2317)$, $D_{sJ}(2460)$ and $D_s(2632)$, which have the surprising properties, are challenging the present models. Many theor…