Monte-Carlo simulation of jets in heavy-ion collisions

TL;DR

This paper uses Monte-Carlo simulations to model jet evolution in heavy-ion collisions at the LHC, successfully reproducing observed dijet asymmetry and supporting the theory of partonic energy loss in a quark-gluon plasma.

Contribution

It introduces a Monte-Carlo simulation framework that incorporates radiative and collisional processes for jet-medium interactions in heavy-ion collisions.

Findings

Simulation accurately reproduces dijet asymmetry measurements.

Results support the presence of a hot, strongly-interacting medium causing partonic energy loss.

Consistent with experimental data from ATLAS and CMS.

Abstract

We present Monte-Carlo simulations of jet evolution in lead-lead collisions at the Large Hadron Collider (LHC) at CERN focusing on the dijet asymmetry measured by the ATLAS and CMS collaborations. In the simulation, hard partons are interacting with the hydrodynamical background medium, undergoing radiative and collisional processes. The measured dijet asymmetry is well described by the simulation and is hence consistent with partonic energy loss in a hot, strongly-interacting medium.