Observation of the doubly Cabibbo-Suppressed decays $D^{+}\to K^{+}{\pi }^0{\pi }^0$ and $D^{+}\to K^{+}{\pi }^0\eta$

BESIII Collaboration, M. Ablikim, M. N. Achasov +496

By analyzing $e^{+}{e}^{-}$ annihilation data corresponding to an integrated luminosity of $2.93\mathrm{f}{\mathrm{b}}^{-1}$ collected at the center-of-mass energy of 3.773\,GeV with the BESIII detect…