Alpha_s from spectroscopy of psi- and Upsilon-particles in QCD sum rules

Abstract

In a specific scheme of the QCD sum rules, one gives the estimate of ${\alpha }_S\simeq 0.20$ from the data on the masses and leptonic constants of $\psi$- and ${\rm Y}$-particles.

Comments: Preprint IHEP 94-92, 2 LATEX pages