Scaling behaviour of leptonic decay constants for heavy quarkonia and heavy mesons

Details Scaling behaviour of leptonic decay constants for heavy quarkonia and heavy mesons Scaling behaviour of leptonic decay constants for heavy quarkonia and heavy mesons

1994-06-07

arxiv.org/abs/hep-ph/9406243v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

IHEP 94-63, Protvino, Standard LATEX, 17 pages

Scientific paper

In the framework of QCD sum rules one uses a scheme, allowing one to apply the conditions of both nonrelativistic heavy quark motion inside mesons and independence of nonsplitting nS-state density on the heavy quark flavours. In the leading order an analitic expression is derived for leptonic constants of both heavy quarkonia and heavy mesons with a single heavy quark. The expression allows one explicitly to determine scaling properties of the constants.

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