Light Quark Masses with Dynamical Wilson Fermions

N. Eicker; U. Glässner; S. Güsken; H. Hoeber; P. Lacock; Th. Lippert; G. Ritzenhöfer; K. Schilling; G. Siegert; A. Spitz; P. Ueberholz; J. Viehoff

doi:10.1016/S0370-2693(97)00718-1

Light Quark Masses with Dynamical Wilson Fermions

High Energy Physics - Lattice 2008-11-26 v1 High Energy Physics - Phenomenology

Authors: N. Eicker , U. Glässner , S. Güsken , H. Hoeber , P. Lacock , Th. Lippert , G. Ritzenhöfer , K. Schilling , G. Siegert , A. Spitz , P. Ueberholz , J. Viehoff

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Abstract

We determine the masses of the light and the strange quarks in the $\bar{MS}$ -scheme using our high-statistics lattice simulation of QCD with dynamical Wilson fermions. For the light quark mass we find $m^{light}_{\bar{MS}}(2 GeV) = 2.7(2) MeV$ , which is lower than in quenched simulations. For the strange quark, in a sea of two dynamical light quarks, we obtain $m^{strange}_{\bar{MS}}(2 GeV) = 140(20) MeV$ .

Keywords

quark masses lattice qcd meson decay lattice qcd

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@article{arxiv.hep-lat/9704019,
  title  = {Light Quark Masses with Dynamical Wilson Fermions},
  author = {N. Eicker and U. Glässner and S. Güsken and H. Hoeber and P. Lacock and Th. Lippert and G. Ritzenhöfer and K. Schilling and G. Siegert and A. Spitz and P. Ueberholz and J. Viehoff},
  journal= {arXiv preprint arXiv:hep-lat/9704019},
  year   = {2008}
}

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10 pages (latex file, uses epsf-style)

Light Quark Masses with Dynamical Wilson Fermions

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