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Volume 345 - International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions (HardProbes2018) - Plenary
Measurement of fragmentation functions andangular and momentum distributions of chargedparticles within and around jets in Pb+Pb andppcollisions at $\sqrt{s_{\rm NN}}$=5.02 TeV with ATLAS at the LHC
A. Puri* on behalf of the ATLAS collaboration
*corresponding author
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Pre-published on: 2019 January 22
Published on: 2019 April 24
Studies of the fragmentation of jets into charged particles in heavy-ion collisions can help in understanding the mechanism of jet quenching by the hot and dense QCD matter created in such collisions, the quark-gluon plasma. These proceedings present measurements of the fragmentation functions of inclusive jets, the angular distribution of charged particles in and around such jets, and the fragmentation functions of photon-tagged jets, in $\sqrt{s_{\mathrm{NN}}}=$5.02TeV Pb+Pb and \textit{pp} collisions, done using the ATLAS detector at the LHC. The measurements are performed for jets reconstructed with the anti-$k_{t}$ algorithm with radius parameter $R = 0.4$.
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