Article ID Journal Published Year Pages File Type
1843341 Nuclear Physics B 2010 18 Pages PDF
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
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