The $1/N_c$ Operator Analysis of the Combined Octet and Decuplet Baryons Contact Interactions in SU(3) Chiral Effective Field Theory

Abstract: In this work, we construct the non-derivative four-point interactions for Octet and Decuplet baryons in the SU(3) Chiral Effective Field Theory (ChEFT) framework and there are {black}{104} terms. The non-relativistic expansion of the baryon fields has been considered up to the {Next-to-Leading Order} (NLO) of the three-momentum. We find 28 and 106 Low-Energy Constants (LECs) for {Leading Order} (LO) and NLO, respectively. Using the Hartree Hamiltonian of the $1/N_c$ expansion of the operator product up to {Next-to-Next-to-Leading Order} (NNLO), we can reduce the free parameters (coupling constants) of the ChEFT from 104 down to 53 up to NLO of the three-momentum expansion. Moreover, we will discuss the implications of the large-$N_c$ sum rules in $\Omega\Omega$ and $\Omega N$ scatterings where the future results from lattice QCD can be used to test our sum rules.