The Light Quark Masses with the Wilson Quark Action using Chiral Ward Identities

Details The Light Quark Masses with the Wilson Quark Action using Chiral Ward Identities The Light Quark Masses with the Wilson Quark Action using Chiral Ward Identities

1997-11-10

arxiv.org/abs/hep-lat/9711016v1

Nucl.Phys.Proc.Suppl. 63 (1998) 275-277

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, latex source-file, 2 figures as epsf-file, uses espcrc2.sty. Poster presented at Lattice 97: 15th International Sympo

Scientific paper

10.1016/S0920-5632(97)00744-5

We present results for the light quark masses for the Wilson quark action obtained with the PCAC relation for the one-link extended axial vector current in quenched QCD at $\beta=5.9-6.5$. This method leads to a remarkable improvement of scaling behavior of the light quark masses compared to the conventional method. We obtain ${\bar m}_l=3.87(37)$MeV for the averaged up and down quark mass and ${\bar m}_s=97(9)$MeV for the strange quark mass in the ${\barMS}$ scheme at $\mu=2$GeV.

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