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

BESIII Collaboration, M. Ablikim, M. N. Achasov +498

Using a data set corresponding to an integrated luminosity of 6.32~$\mathrm{f}{\mathrm{b}}^{-1}$ recorded by the BESIII detector at center-of-mass energies between 4.178 and 4.226~GeV, an amplitud…