Study of $D_s^{+}\to f_0(980)\ddot{I}{}^{+}$ and $\ddot{I}•\ddot{I}{€}^{+}$ decays through $D_s^{+}\to \ddot{I}{€}^{+}\ddot{I}{€}^{+}\ddot{I}{€}^{-}\ddot{I}{€}^0$

BESIII Collaboration, M. Ablikim, M. N. Achasov +655

We perform the first amplitude analysis of $D_s^{+}\to \ddot{I}{€}^{+}\ddot{I}{€}^{+}\ddot{I}{€}^{-}\ddot{I}{€}^0$ decays, based on data samples of electron-positron collisions recorded with the BESIII detector at center-of…