The Gell-Mann - Okubo Mass Relation among Baryons from Fully-Dynamical, Mixed-Action Lattice QCD
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 {approx} 0.125 fm and pion masses of m{sub pi} {approx} 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.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA
- Sponsoring Organization:
- USDOE - Office of Energy Research (ER)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 881104
- Report Number(s):
- JLAB-THY-06-484; DOE/ER/40150-3840
- Journal Information:
- Phys.Lett.B, Journal Name: Phys.Lett.B Journal Issue: 1-2 Vol. 654
- Country of Publication:
- United States
- Language:
- English
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