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QCD sum rules in the effective heavy quark theory

Bagan, E., Ball, Patricia, Braun, Vladimir M. and Dosch, H. G. (1992) QCD sum rules in the effective heavy quark theory. Physics Letters B 278 (4), pp. 457-464.

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We derive sum rules for the leptonic decay constant of a heavy-light meson in the effective heavy quark theory. We show that the summation of logarithms in the heavy quark mass by the renormalization group technique enhances considerably radiative corrections. Our result for the decay constant in the static limit agrees well with recent lattice calculations. Finite quark mass corrections are estimated.

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Item type:Article
Date:2 April 1992
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Braun > Group Vladimir Braun
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Dewey Decimal Classification:500 Science > 530 Physics
Created at the University of Regensburg:Unknown
Item ID:13999
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