Renormalization of Currents for Massive Fermions

Abstract

The renormalization of vector and axial-vector currents for massive fermions (in the ``Fermilab formalism'') is discussed. We give results for non-degenerate masses, which are needed for semi-leptonic form factors.

Comments: LATTICE98(heavyqk), LaTeX, 3 pages, 3 postscript figures, uses espcrc2.sty; version2 adds hep-lat links for refs 1 and 8