Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-10-17
Eur.Phys.J.C62:139-144,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
Proceedings of Hot Quarks 2008. 6 pages, 6 ps and eps figures
Scientific paper
10.1140/epjc/s10052-009-1025-z
We review selected results from a recent in-depth study of jet shapes and jet cross sections in ultra-relativistic reactions with heavy nuclei at the LHC arXiv:0810.2807 [hep-ph]. We demonstrate that at the highest collider energies these observables become feasible as a new, differential and accurate test of the underlying QCD theory. Our approach allows for detailed simulations of the experimental acceptance/cuts that help isolate jets emerging from a dense QGP. We show for the first time that the pattern of stimulated gluon emission can be correlated with a variable quenching of the jet rates and provide an approximately model-independent approach to determining the characteristics of the medium-induced bremsstrahlung spectrum. The connection between such cross section attenuation and the in-medium jet shapes is elucidated.
Vitev Ivan
Wicks Simon
Zhang Ben-Wei
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