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

Ademollo; Allton; Aoki; Aoki; Aubin; Aubin; Bar; Beane; Beane; Bernard; Bernard; Bernard; Bernard; Bernard; Bhattacharya; Bhattacharya; Bhattacharya; Bijnens; Blum; Bowler; Butler; Creutz; Dashen; DeGrand; DeGrand; Durr; Durr; Durr; Edwards; Edwards; Flores-Mendieta; Frink; Furman; Gell-Mann; Hasenfratz; Hasenfratz; Jenkins; Jenkins; Kostas Orginos; Leinweber; Martin J. Savage; Namekawa; Ne'eman; Okubo; Orginos; Orginos; Renner; Shamir; Silas R. Beane; Tiburzi; Walker-Loud

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

Authors: Ademollo
Allton
Aoki
Aoki
Aubin
Aubin
Bar
Beane
Beane
Bernard
Bernard
Bernard
Bernard
Bernard
Bhattacharya
Bhattacharya
Bhattacharya
Bijnens
Blum
Bowler
Butler
Creutz
Dashen
DeGrand
DeGrand
Durr
Durr
Durr
Edwards
Edwards
Flores-Mendieta
Frink
Furman
Gell-Mann
Hasenfratz
Hasenfratz
Jenkins
Jenkins
Kostas Orginos
Leinweber
Martin J. Savage
Namekawa
Ne'eman
Okubo
Orginos
Orginos
Renner
Shamir
Silas R. Beane
Tiburzi
Walker-Loud
Publication date: 16 April 2006
Publisher: 'Elsevier BV'
Doi

Abstract

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.Comment: 10 pages, 7 figure

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