Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1843341 | Nuclear Physics B | 2010 | 18 Pages |
Abstract
We consider the currents formed by a heavy and a light quark within Quantum Chromodynamics and compute the matching to Heavy Quark Effective Theory to three-loop accuracy. As an application we obtain the third-order perturbative corrections to ratios of B-meson decay constants.
Related Topics
Physical Sciences and Engineering
Mathematics
Mathematical Physics
Authors
S. Bekavac, A.G. Grozin, P. Marquard, J.H. Piclum, D. Seidel, M. Steinhauser,