Radial flow afterburner for event generators and the baryon puzzle

TL;DR

This paper introduces a radial flow afterburner for event generators to better understand the baryon puzzle in high-energy collisions, showing qualitative agreement with experimental data.

Contribution

It presents a novel simple afterburner incorporating radial flow into existing event generators, improving the modeling of baryon-to-meson ratios in particle collisions.

Findings

Radial flow significantly influences the baryon puzzle.

Qualitative agreement with experimental data in pp and Au+Au collisions.

Radial flow helps explain the baryon-to-pion ratio anomaly.

Abstract

A simple afterburner including radial flow to the randomized transverse momentum obtained from event generators, Pythia and Hijing, has been implemented to calculate the $p/\pi$ ratios and compare them with available data. A coherent trend of qualitative agreement has been obtained in $pp$ collisions and in $Au+Au$ for various centralities. Those results indicate that the radial flow does play an important role in the so called baryon puzzle anomaly.