Speaker
Description
Jet substructure modification due to different aspects of jet quenching is studied using jet shape and jet fragmentation observables. The jet shape contains information about the transverse energy distribution inside a jet and the jet fragmentation function describes the longitudinal momentum distribution of hadrons inside a reconstructed jet. These measurements provide insight into the jet quenching process in the quark-gluon plasma created in the aftermath of ultra-relativistic collisions between two nuclei. We investigate events produced in Au+Au collisions at $\sqrt{ s_{NN}}$= 200 GeV and Pb+Pb collisions at $\sqrt{ s_{NN}}$ = 5.02 TeV to explore the dependence of modifications based on the centrality and in combination with various energy loss mechanisms using the JETSCAPE framework. The JETSCAPE framework provides a modular and extensible Monte-Carlo event generator for the simulation of high-energy nuclear collisions. We further examine the coherence effects in heavy-ion collisions that reduce the medium-induced emission rate at RHIC and LHC energies.
| Session | Heavy Ions and QCD |
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