Assignment of charmed-strange $D_{s0}(2590{)}^{+}$ and $D_{sJ}(3040{)}^{+}$

Zi-Han Jiang, Ailin Zhang

Based on analyses of the mass and the strong decay features, $D_{s0}(2590{)}^{+}$ observed by LHCb collaboration is identified as a radial excitation of the pseudoscalar $D_s$, and $D_…