Analysis of $\Omega_b^-(bss)$ and $\Omega_c^0(css)$ with QCD sum rules

TL;DR

This paper uses QCD sum rules to calculate the masses and residues of heavy baryons $\,Omega_c^0$ and $\,Omega_b^-$, finding results consistent with experimental data.

Contribution

It provides theoretical mass and residue calculations for $\,Omega_c^0$ and $\,Omega_b^-$ baryons using QCD sum rules, aligning with experimental measurements.

Findings

Calculated masses agree with experimental data

Provided pole residues for heavy baryons

Validated QCD sum rules for baryon analysis

Abstract

In this article, we calculate the masses and the pole residues of the ${1/2}^+$ heavy baryons $\Omega_c^0(css)$ and $\Omega_b^-(bss)$ with the QCD sum rules. The numerical values $M_{\Omega_c^0}=(2.72\pm0.18) \rm{GeV}$ (or $M_{\Omega_c^0}=(2.71\pm0.18) \rm{GeV}$) and $M_{\Omega_b^-}=(6.13\pm0.12) \rm{GeV}$ (or $M_{\Omega_b^-}=(6.18\pm0.13) \rm{GeV}$) are in good agreement with the experimental data.