Gauge Coupling Beta Functions in the Standard Model to Three Loops
Luminita N. Mihaila, Jens Salomon, Matthias Steinhauser
TL;DR
This paper calculates the three-loop corrections to the gauge coupling beta functions in the Standard Model, incorporating Yukawa and Higgs self couplings, using the minimal subtraction scheme.
Contribution
It provides the first complete three-loop computation of gauge coupling beta functions in the Standard Model including Yukawa and Higgs self interactions.
Findings
Three-loop beta functions for gauge couplings are obtained.
Results improve precision of Standard Model coupling evolution.
Methodology includes minimal subtraction scheme and higher-order corrections.
Abstract
In this paper we compute the three-loop corrections to the beta functions of the three gauge couplings in the Standard Model of particle physics using the minimal subtraction scheme and taking into account Yukawa and Higgs self couplings.
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