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The $J^P=0^-$ radial excitation $D_s(2^1S_0)$ is anticipated to have mass$2650$ MeV (denoted with $D_s(2650)$) though it has not been observed.$D_s(2650)$ is anticipated to be observed in inclusive $e^+e^-$ and $pp$collisions in $D^*K$ channel. $D_s(2650)$ can be produced from hadronic decaysof higher excited resonances. In a $^3P_0$ model, hadronic production of$D_s(2650)$ has been studied, relevant decay widths have been estimated. Thehadronic decays of $D_s(3P)$ have been explored in detail, and the dominantdecay channels have been pointed out. Two hadronic decay channels of$D^+_{sJ}(2632)$ were observed by SELEX, but have not been observed by anyother experiment. Hadronic decays of $D^+_{sJ}(2632)$ in different assignmentshave been explored in the $^3P_0$ model. In view of the hadronic decay mannerof $D^+_{sJ}(2632)$ , we conclude that $D^+_{sJ}(2632)$ cannot be aconventional charmed strange $c\bar s$ meson.

Study of radially excited $D_s(2^1S_0)$ and $D^+_{sJ}(2632)$