Non-perturbative quark mass renormalization

Physics – High Energy Physics – High Energy Physics - Lattice

Scientific paper

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Talk given at LATTICE '97, 6 pages, Latex source, 7 eps figures, needs epsfig

Scientific paper

10.1016/S0920-5632(97)00707-X

We show that the renormalization factor relating the renormalization group invariant quark masses to the bare quark masses computed in lattice QCD can be determined non-perturbatively. The calculation is based on an extension of a finite-size technique previously employed to compute the running coupling in quenched QCD. As a by-product we obtain the $\Lambda$--parameter in this theory with completely controlled errors.

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