Amplitude analysis and branching fraction measurement of the decay \boldmath $D_s^{+}\to K^{+}{\pi }^{+}{\pi }^{-}{\pi }^0$

BESIII Collaboration, M. Ablikim, M. N. Achasov +560

The singly Cabibbo-suppressed decay $D_s^{+}\to K^{+}{\pi }^{+}{\pi }^{-}{\pi }^0$ is observed, using a data set corresponding to an integrated luminosity of 6.32 $\mathrm{f}{\mathrm{b}}^{-1}$ recorded by the…