Speaker
Johann Hernández
(Universidad Autónoma de San Luis Potosí)
Description
The baryon-meson scattering amplitude is calculated under the formalism of $1/N_c$ expansion of QCD. The obtained results consider the effects of the decuplet-octet baryon mass difference and perturbative flavor $SU(3)$ symmetry breaking in the complete computation for the first time. Since the resulting expressions can be applied to any baryons and mesons, when the Gell-Mann - Nishijima scheme is fulfilled, the $N\pi$ scattering processes are analyzed. In addition, the reported results have been verified with some isospin relations at the physical value $N_c=3.$
Primary authors
Johann Hernández
(Universidad Autónoma de San Luis Potosí)
Dr
Rubén Flores-Mendieta
(Universidad Autónoma de San Luis Potosí)
Dr
Víctor Miguel Banda Guzmán
(Universidad Politécnica de San Luis Potosı́)
