The Gell-Mann -- Okubo mass relation among baryons from fully-dynamical mixed-action lattice QCD

Details The Gell-Mann -- Okubo mass relation among baryons from fully-dynamical mixed-action lattice QCD The Gell-Mann -- Okubo mass relation among baryons from fully-dynamical mixed-action lattice QCD

2006-04-16

arxiv.org/abs/hep-lat/0604013v1

Phys.Lett.B654:20-26,2007

Physics

High Energy Physics

High Energy Physics - Lattice

10 pages, 7 figures

Scientific paper

10.1016/j.physletb.2007.05.062

We explore the Gell-Mann--Okubo mass relation among the octet baryons using
fully-dynamical, mixed-action (domain-wall on rooted-staggered) lattice QCD
calculations at a lattice spacing of b ~ 0.125 fm and pion masses of m_pi ~ 290
MeV, 350 MeV, 490 MeV and 590 MeV. Deviations from the Gell-Mann--Okubo mass
relation are found to be small at each quark mass.

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