TL;DR
This paper develops a QCD light front formalism to analyze color charge correlations within the proton, revealing insights into nucleon structure and addressing infrared divergence issues in gluon interactions.
Contribution
It introduces a novel formalism for computing many-body color charge correlations in the proton, connecting them to nucleon structure and divergence removal.
Findings
Color charge correlations relate to electric and magnetization densities.
Including correlations removes infrared divergences in gluon exchanges.
Extensions to gluonic correlations are proposed.
Abstract
A general QCD light front formalism to compute many-body color charge correlation functions due to quarks in the proton was constructed~\cite{Dumitru:2018vpr}. These enable new studies of color charge distributions in the nucleon. The analogies between such correlation functions to electric and magnetization charge densities in the proton and also to nucleon-nucleon correlations in the nucleus are discussed. Including the color charge correlations leads naturally to the removal of infrared divergences that occurs in two- and three-gluon exchange interactions in -proton scattering. Extensions to include gluonic color charge correlations are discussed.
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