Exploring the infrared structure of QCD with the Gribov-Zwanziger Lagrangian
J.A. Gracey
TL;DR
This paper reviews recent two-loop calculations in QCD using the Gribov-Zwanziger framework, focusing on the infrared behavior of propagators and the effective coupling constant in Landau gauge.
Contribution
It provides a detailed analysis of the infrared properties of QCD propagators and coupling using the Gribov-Zwanziger Lagrangian at two-loop order.
Findings
Gluon propagator behavior in the infrared
Ghost propagator behavior in the infrared
Infrared fixed point of the effective coupling
Abstract
We review recent one and two loop MSbar Landau gauge calculations using the Gribov-Zwanziger Lagrangian. The behaviour of the gluon and Faddeev-Popov ghost propagators as well as the renormalization group invariant effective coupling constant is examined in the infrared limit.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies · High-Energy Particle Collisions Research