Inplication of percolation of colour strings on multiplicities, correlations and the transverse momentum

TL;DR

This paper investigates how percolation of color strings affects particle multiplicities, correlations, and transverse momentum in high-energy heavy ion collisions, revealing signatures of a phase transition.

Contribution

It introduces a simple damping factor based on percolation theory to describe multiplicities and identifies correlation behaviors as phase transition signatures.

Findings

Multiplicities are damped by a percolation-based factor.

Correlation behavior of transverse momentum indicates a phase transition.

Signature of phase transition observed in high-energy collisions.

Abstract

In the colour string model the impact of string percolation on multiplicities, their long-range correlations and average transverse momentum is studied. The multiplicities are shown to be damped by a simple factor which follows from the percolation theory. A clear signature of the phase transition is found to be a behaviour of the correlations for intensive observables, such as average transverse momentum, which can be detected in the high-energy heavy ion collisions.