Observation of the $W$-Annihilation Decay $D_s^{+}\to \omega {\pi }^{+}$ and Evidence for $D_s^{+}\to \omega K^{+}$

M. Ablikim, M. N. Achasov, S. Ahmed +461

We report on the observation of the $W$-annihilation decay $D_s^{+}\to \omega {\pi }^{+}$ and the evidence for $D_s^{+}\to \omega K^{+}$ with a data sample corresponding to an…