Long range correlations, event simulation and parton percolation

TL;DR

This paper compares experimental data on long-range rapidity correlations from RHIC with string model simulations, focusing on color percolation and color glass condensate, to understand high-density QCD phenomena.

Contribution

It demonstrates the similarities between color percolation and color glass condensate models in describing high-density QCD effects in heavy-ion collisions.

Findings

Color percolation explains the transition from low to high density.

Both models predict similar behavior for energy and centrality dependence.

The models align well with RHIC data on long-range correlations.

Abstract

We study the RHIC data on long range rapidity correlations, comparing their main trends with different string model simulations. Particular attention is paid to color percolation model and its similarities with color glass condensate. As both approaches corresponds, at high density, to a similar physical picture, both of them give rise to a similar behavior on the energy and the centrality of the main observables. Color percolation explains the transition from low density to high density.