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

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arxiv hep-ph/0303113 v3 pith:XZY6VIW3 submitted 2003-03-13 hep-ph

K. G. Chetyrkin , A. G. Grozin This is my paper · ORCID
classification hep-ph
keywords anomalouscurrentdimensionheavy-lighthqetquarkthree-loopaccuracy
verification ladder T0 review T1 audit T2 compute T3 formal
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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.

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Cited by 2 Pith papers

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    Derives gravitational Compton amplitude at O(G^4) and N-matrix element for scattering phase shift, verified by agreement with black-hole perturbation theory.

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    hep-lat 2024-12 conditional novelty 6.0 of 10

    The pion Boer-Mulders function is computed for the first time from lattice QCD and is found to decay with transverse separation, becoming compatible with zero around 0.5 to 0.6 fm.

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