Observation of the decay $D^+_s\to ωπ^+η$
BESIII Collaboration, M. Ablikim, M. N. Achasov, P. Adlarson et autres
Using 7.33 fb$^{-1}$ of $e^+e^-$ collision data collected by the BESIII detector at center-of-mass energies between 4.128 and 4.226~GeV, we observe for the first time the decay $D^{\pm}_s\to ωπ^{\pm}η$ with a statistical significance of 7.6$σ$. The measured branching fraction of this decay …