Space-time structure of 3+1D color fields in high energy nuclear collisions

TL;DR

This paper analytically calculates the space-time structure of color fields in high-energy nuclear collisions within the Color Glass Condensate framework, providing insights into the rapidity profile of transverse pressure and validating results against classical Yang-Mills simulations.

Contribution

It offers an analytic approach to modeling color fields in 3+1D heavy-ion collisions, complementing numerical simulations and enhancing understanding of early collision dynamics.

Findings

Analytic expressions for color fields in the light cone

Rapidity profile of transverse pressure derived

Results compared successfully with classical Yang-Mills simulations

Abstract

We perform an analytic calculation of the color fields in heavy-ion collisions by considering the collision of longitudinally extended nuclei in the dilute limit of the Color Glass Condensate effective field theory of high-energy QCD. Based on general analytic expressions for the color fields in the future light cone, we evaluate the rapidity profile of the transverse pressure within a simple specific model of the nuclear collision geometry and compare our results to 3+1D classical Yang-Mills simulations.