Roles of the scalar $f_0(500)$ and $f_0(980)$ in the process $D^0\to {\pi }^0{\pi }^0{\bar{K}}^0$

Xiao-Hui Zhang, Han Zhang, Bai-Cian Ke +3

Motivated by the near-threshold enhancement and the dip structure around 1~GeV in the ${\pi }^0{\pi }^0$ invariant mass distribution of the process $D^0\to {\pi }^0{\pi }^0{\bar{K}}^0$ observed by the C…