Determination of Light and Strange Quark Masses from Full Lattice QCD

Details Determination of Light and Strange Quark Masses from Full Lattice QCD Determination of Light and Strange Quark Masses from Full Lattice QCD

2004-09-28

arxiv.org/abs/hep-ph/0409312v1

Phys.Lett.B639:307-311,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 8 figures

Scientific paper

10.1016/j.physletb.2006.06.036

We compute the light and strange quark masses m_l = (m_u+m_d)/2 and m_s, respectively, in full lattice QCD with N_f=2 flavors of light dynamical quarks. The renormalization constants, which convert bare quark masses into renormalized quark masses, are computed nonperturbatively, including the effect of quark-line disconnected diagrams. We obtain m_l=4.7(2)(3) MeV and m_s=119(5)(8) MeV in the MSbar scheme at the scale 2 GeV.

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