Decoupling of heavy-quark loops in light-light and heavy-light quark currents

Abstract

Matching of light-light quark currents in QCD with a heavy flavour and in the low-energy effective QCD is calculated in MSbar at two loops. Heavy-light HQET currents are similarly considered.

Comments: LaTeX2e, 4 pages, 1 inline figure, requires axodraw.sty