Leptonic Decay Constants of Charm and Beauty Mesons in QCD: An Update
An update is given of the determination of leptonic decay constants of charm and beauty mesons in the framework of relativistic Hilbert moments and Laplace transform QCD sum rules.
Invited talk at the Third Workshop on the Tau-Charm Factory, Marbella, Spain. Report No. SISSA Ref. 139/93/EP. LATEX