Measurement of angular and momentum distributions of charged particles within and around jets in Pb plus Pb and pp collisions at root s(NN)=5.02 TeV with ATLAS at the LHC

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 a measurement of the angular distribution of char...

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Published in:Nuclear physics. A 2019, Vol.982, p.177
Main Authors: Puri, Akshat, Jensen, Bengt, Ohm, Christian, Ripellino, Giulia, Sidebo, P. Edvin, Strandberg, Jonas, Zwalinski, L.
Format: Article
Language:English
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fragmentation functions
jet shapes
jets
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container_start_page 177
container_title Nuclear physics. A
container_volume 982
creator Puri, Akshat
Jensen, Bengt
Ohm, Christian
Ripellino, Giulia
Sidebo, P. Edvin
Strandberg, Jonas
Zwalinski, L.
description 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 a measurement of the angular distribution of charged particles around the jet axis in root s(NN) = 5.02 TeV Pb+Pb and pp collisions, done using the ATLAS detector at the LHC. The measurement is performed inside jets reconstructed with the anti-k(t) algorithm with radius parameter R = 0.4, and is extended to regions outside the jet cone. Results are presented as a function of Pb+Pb collision centrality, and both jet and charged-particle transverse momenta.
doi_str_mv 10.1016/j.nuclphysa.2018.09.021
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subjects fragmentation functions
jet shapes
jets
title Measurement of angular and momentum distributions of charged particles within and around jets in Pb plus Pb and pp collisions at root s(NN)=5.02 TeV with ATLAS at the LHC
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