$D^+ \to K^- \p^+ \p^+ $: the low-energy sector

D. R. Boito, P. C. Magalhães, M. R. Robilotta +1

An effective $SU(3)\times SU(3)$ chiral lagrangian, which includes scalar resonances, is used to describe the process $D^+ \rar K^- \p^+ \p^+$ at low-energies. Our main result is a…