Quark Masses on the Lattice: Light and Heavy

Details Quark Masses on the Lattice: Light and Heavy Quark Masses on the Lattice: Light and Heavy

2000-12-04

arxiv.org/abs/hep-lat/0012003v1

Nucl.Phys.Proc.Suppl.94:116-129,2001

Physics

High Energy Physics

High Energy Physics - Lattice

Lattice 2000 (Plenary), 14 pages (LaTeX), 6 postscript figures; plenary talk at 18th International Symposium on Lattice Field

Scientific paper

10.1016/S0920-5632(01)00963-X

I review the current status of lattice calculations of light and heavy quark masses. Significant progresses, in these studies, have been allowed by the introduction of improved actions and non-perturbative renormalization techniques. Current determinations of light quark masses are accurate at the level of 20%, where the main source of uncertainty is represented by the quenching error. The determination of the bottom quark mass is accurate at the impressive level of 2%. As final averages of lattice results, I quote mud(2 GeV) = (4.5 +- 1.0) MeV, ms(2 GeV) = (110 +- 25) MeV and mb(mb) = (4.26 +- 0.09) GeV.

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