Study on Strong Decays of $D_{sJ}(2632)$
  The resonance $D_{sJ}(2632)$ observed by SELEX, has attracted great interests and meanwhile brought up serious dispute. Its spin-parity, so far has not finally determined and if it exists, its quark-structure might be exotic. Following the previous literature where $D_{sJ}(2632)$ is assumed to be a radial-excited state of $1^-$, we consider the possibilities that it might be a $q\bar q$ ground state of $2^+$ or the first radial-excited state of $0^+$ $D_{sJ}(2317)$ and re-calculate its strong decay widths in terms of the Bethe-Salpeter equation. Our results indicate that there still is a sharp discrepancy between the theoretical evaluation and data. 
Hong-Wei Ke, Yan-Ming Yu, Yi-Bing Ding, Xin-Heng Guo, Hong-Ying Jin,   Xue-Qian Li, Peng-Nian Shen and Guo-Li Wang