Role of $a_0(980)$ in the decays $D^0\to K^{+}{K}^{-}\hat{I}\cdot$ and $\ddot{I}{€}^{+}\ddot{I}{€}^{-}\hat{I}\cdot$

Sara Rahmani, Wei Liang, Yu-Wen Peng +3

In present work, we study the reactions $D^0\to K^{+}{K}^{-}\hat{I}\cdot$ and $D^0\to \ddot{I}{€}^{+}\ddot{I}{€}^{-}\hat{I}\cdot$, and find that the $a_0(980)$ state plays a dominant role. At the…