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Paper detail

Three-loop anomalous dimension of the heavy-light quark current in HQET

The anomalous dimension of the heavy-light quark current in HQET is calculated with three-loop accuracy, as well as the renormalized heavy-quark propagator. The NNL perturbative correction to f_B/f_D is obtained.

preprint2003arXivOpen access
K. G. ChetyrkinA. G. Grozin
hep-ph
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Open access2 authors1 topic
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K. G. ChetyrkinA. G. Grozin

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