Three loop MSbar renormalization of QED in the 't~Hooft-Veltman gauge

Details Three loop MSbar renormalization of QED in the 't~Hooft-Veltman gauge Three loop MSbar renormalization of QED in the 't~Hooft-Veltman gauge

2007-10-05

arxiv.org/abs/0710.1260v1

J.Phys.A40:13989-13996,2007

Physics

High Energy Physics

High Energy Physics - Theory

8 latex pages

Scientific paper

10.1088/1751-8113/40/46/011

Quantum electrodynamics (QED) fixed in the 't~Hooft-Veltman gauge is renormalized to three loops in the MSbar scheme. The beta-functions and anomalous dimensions are computed as functions of the usual QED coupling and the additional coupling, xi, which is introduced as part of the nonlinear gauge fixing condition. Similar to the maximal abelian gauge of quantum chromodynamics, the renormalization of the gauge parameter is singular.

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