Analysis of $Ω_b^-(bss)$ and $Ω_c^0(css)$ with QCD sum rules

Details Analysis of $Ω_b^-(bss)$ and $Ω_c^0(css)$ with QCD sum rules Analysis of $Ω_b^-(bss)$ and $Ω_c^0(css)$ with QCD sum rules

2008-09-18

arxiv.org/abs/0809.3038v4

Eur.Phys.J.C61:321-329,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 18 figures, slight revision

Scientific paper

10.1140/epjc/s10052-009-0983-5

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.

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