The glasma initial state and JIMWLK factorization

TL;DR

This paper reviews recent advances in understanding the initial state of heavy ion collisions, focusing on next-to-leading order corrections and their factorization via JIMWLK evolution of color charge densities.

Contribution

It demonstrates that leading logarithmic divergences in gluon multiplicities can be factorized into JIMWLK evolution, advancing the theoretical understanding of the initial stages of heavy ion collisions.

Findings

Leading ln(1/x) divergences are factorized into JIMWLK evolution.

Next-to-leading order corrections to classical fields are analyzed.

The work enhances the theoretical framework for initial state modeling in heavy ion collisions.

Abstract

We review recent work on understanding the next to leading order corrections to the classical fields that dominate the initial stages of a heavy ion collision. We have recently shown that the leading ln(1/x) divergences of these corrections to gluon multiplicities can be factorized into the JIMWLK evolution of the color charge density distributions.