D_{sJ}(2860) as the first radial excitation of the D_{s0}^*(2317)

Eef van Beveren, George Rupp

A coupled-channel model previously employed to describe the narrow $D_{s0}^{\ast }$(2317) and broad $D_0^{\ast }$(2400) charmed scalar mesons is generalized so as to include all ground-state p…