$D_{sJ}^{+}(2632)$: An Excellent Candidate of Tetraquarks

Y. -R. Liu, Y. -B. Dai, C. Liu +1

We analyze various possible interpretations of the narrow state $D_{sJ}(2632)$ which lies 100 MeV above threshold. This interesting state decays mainly into $D_s\eta$ instead of $D^0…