Light quark masses using domain wall fermions

Details Light quark masses using domain wall fermions Light quark masses using domain wall fermions

1998-09-10

arxiv.org/abs/hep-lat/9809065v1

Nucl.Phys.Proc.Suppl. 73 (1999) 201-203

Physics

High Energy Physics

High Energy Physics - Lattice

LATTICE98(spectrum) 3 pages, 3 figures

Scientific paper

10.1016/S0920-5632(99)85022-1

We compute the one-loop self-energy correction to the massive domain wall quark propagator. Combining this calculation with simulations at several gauge couplings, we estimate the strange quark mass in the continuum limit. The perturbative one-loop mass renormalization is comparable to that for Wilson quarks and considerably smaller than that for Kogut-Susskind quarks. Also, scaling violations appear mild in comparison to other errors at present. Given their good chiral behavior and these features, domain wall quarks are attractive for evaluating the light quark masses. Our preliminary quenched result is m_s(2 GeV) = 82(15) MeV in the ${\bar{MS}}$ scheme.

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