Roles of $f_0(500)$ and $f_0(980)$ in the $D_{(s)}^{+}\to {\pi }^{+}{\pi }^{+}{\pi }^{-}$ decays

Zhong-Yu Wang, Wei Liang

With the recent measurements of the $D_s^{+}\to {\pi }^{+}{\pi }^{+}{\pi }^{-}$ and $D^{+}\to {\pi }^{+}{\pi }^{+}{\pi }^{-}$ decays by the LHCb Collaboration, we study these two decay process…