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arxiv: 1711.04880 · v1 · pith:5IVAMDVZnew · submitted 2017-11-13 · ✦ hep-ph · hep-ex

Heavy quark form factors at two loops in perturbative QCD

classification ✦ hep-ph hep-ex
keywords currentsfactorsformheavyorderperturbativequarkaxial-vector
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We present the results for heavy quark form factors at two-loop order in perturbative QCD for different currents, namely vector, axial-vector, scalar and pseudo-scalar currents, up to second order in the dimensional regularization parameter. We outline the necessary computational details, ultraviolet renormalization and corresponding universal infrared structure.

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