Bagan, E. and Ball, Patricia and 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.
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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|Date:||2 April 1992|
|Institutions:||Physics > Institute of Theroretical Physics > Chair Professor Braun > Group Vladimir Braun|
|Subjects:||500 Science > 530 Physics|
|Created at the University of Regensburg:||Unknown|
|Deposited On:||12 Apr 2010 12:22|
|Last Modified:||13 Mar 2014 13:15|