Probing scalar mesons in semi-leptonic decays of $D_s^{+}$, $D^{+}$ and $D^0$

Amir H. Fariborz, Renata Jora, Joseph Schechter +1

With the primary motivation of probing the quark substructure of scalar mesons, a generalized linear sigma model for the lowest and the next-to-lowest scalar and pseudoscalar meson…