Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
1997-09-26
Nucl.Phys.Proc.Suppl. 63 (1998) 153-158
Physics
High Energy Physics
High Energy Physics - Lattice
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.
Capitani Stefano
Guagnelli Marco
Luescher Martin
Sint Stefan
Sommer Rainer
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