Effects of transverse momentum broadening of parton cascades from coherent emissions and scatterings in a medium

TL;DR

This paper investigates how high-energy particles' transverse momentum broadening occurs due to coherent radiation and scatterings in a quark-gluon plasma, using numerical Monte Carlo solutions of evolution equations.

Contribution

It introduces a numerical Monte Carlo approach to solve evolution equations for in-medium particle fragmentation functions considering both radiation and scattering effects.

Findings

Transverse momentum distribution broadens in medium.

Different jet-medium interaction scenarios affect broadening.

Results provide insights into jet quenching mechanisms.

Abstract

Highly energetic particles in the medium of a quark gluon plasma undergo processes of coherent medium induced radiation and scatterings off medium particles. We solved the evolution equations for particle fragmentation functions that describe in-medium evolution via these two in-medium processes numerically via Monte-Carlo algorithms. We study the in-medium broadening of the distribution over momentum components transverse to the jet-axis for different cases of jet-medium interactions and different values of average transverse momentum transfer.