The Heavy Quark Form Factors at Two Loops

Ablinger, J.; Rana, N.; Marquard, P.; Falcioni, G.; Behring, A.; Schneider, C.; Blümlein, J.; De Freitas, A.

Preprint/Report

PUBDB-2018-00635

The Heavy Quark Form Factors at Two Loops

Ablinger, J.Extern* ; Behring, A.DESY* ; Blümlein, J.DESY* ; Falcioni, G.DESY* ; De Freitas, A.Extern* ; Marquard, P. (Corresponding author)DESY* ; Rana, N.DESY* ; Schneider, C.

2017

[10.3204/PUBDB-2018-00635]

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Please use a persistent id in citations: doi:10.3204/PUBDB-2018-00635

Report No.: DESY-17-102; DO-TH 17/16; Nikhef 2017-063; TTK-17-44; arXiv:1712.09889

Abstract: We compute the two-loop QCD corrections to the heavy quark form factors in case of the vector, axial-vector, scalar and pseudo-scalar currents up to second order in the dimensional parameter $\epsilon = (4-D)/2$. These terms are required in the renormalization of the higher order corrections to these form factors.

Keyword(s): heavy quark: form factor ; form factor: correction ; quantum chromodynamics: correction ; correction: higher-order ; higher-order: 2 ; regularization: dimensional ; quark: current ; current: vector ; current: axial-vector ; current: scalar ; current: pseudoscalar