Nonperturbative effects of divergent ghost loops
Daniele Binosi, David Iba\~nez
TL;DR
This paper explores the nonperturbative relationship between ghost masslessness, gluon propagator behavior in the infrared, and divergences in the three-gluon vertex, revealing new insights into quantum chromodynamics.
Contribution
It uncovers a novel connection linking ghost properties, gluon propagator form, and vertex divergences at the nonperturbative level.
Findings
Ghost remains massless in the nonperturbative regime
Gluon propagator exhibits specific infrared behavior
Divergences appear in certain three-gluon vertex kinematic limits
Abstract
We report on a recently unveiled connection at the nonperturbative level between the masslessness of the ghost, the precise form of the gluon propagator in the deep infrared, and the divergences observed in certain kinematic limits of the three-gluon vertex.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies · High-Energy Particle Collisions Research