Analysis of the verticesρNN,ρΣΣ, andρΞΞwith light-cone QCD sum rules

Abstract

In this article, we calculate the strong coupling constants of the $\ensuremath{\rho}NN$, $\ensuremath{\rho}\ensuremath{\Sigma}\ensuremath{\Sigma}$, and $\ensuremath{\rho}\ensuremath{\Xi}\ensuremath{\Xi}$ in the framework of the light-cone QCD sum rules approach. The strong coupling constants of the meson-baryon-baryon are the fundamental parameters in the one-boson exchange model which describes the baryon-baryon interactions successfully. The numerical values are in agreement with the existing calculations in part. The electric and magnetic $F/(F+D)$ ratios deviate from the prediction of the vector meson dominance theory; the $SU(3)$ symmetry breaking effects are very large.