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Jet properties in PbPb and pp collisions at sNN−−−−√=5.02 TeV

Jet properties in PbPb and pp collisions at sNN−−−−√=5.02 TeV
Jet properties in PbPb and pp collisions at sNN−−−−√=5.02 TeV
Modifications of the properties of jets in PbPb collisions, relative to those in pp collisions, are studied at a nucleon-nucleon center-of-mass energy of sNN−−−−√=5.02 TeV via correlations of charged particles with the jet axis in relative pseudorapidity (Δη), relative azimuth (Δϕ), and relative angular distance from the jet axis Δr=(Δη)2+(Δϕ)2−−−−−−−−−−−−√. This analysis uses data collected with the CMS detector at the LHC, corresponding to integrated luminosities of 404 μb−1 and 27.4 pb−1 for PbPb and pp collisions, respectively. Charged particle number densities, jet fragmentation functions, and jet shapes are presented as a function of PbPb collision centrality and charged-particle track transverse momentum, providing a differential description of jet modifications due to interactions with the quark-gluon plasma.
10.1007%2FJHEP05(2018)006
1029-8479
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3
The CMS Collaboration
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3

Belyaev, Alexander , The CMS Collaboration (2018) Jet properties in PbPb and pp collisions at sNN−−−−√=5.02 TeV. Journal of High Energy Physics. (doi:10.1007%2FJHEP05(2018)006).

Record type: Article

Abstract

Modifications of the properties of jets in PbPb collisions, relative to those in pp collisions, are studied at a nucleon-nucleon center-of-mass energy of sNN−−−−√=5.02 TeV via correlations of charged particles with the jet axis in relative pseudorapidity (Δη), relative azimuth (Δϕ), and relative angular distance from the jet axis Δr=(Δη)2+(Δϕ)2−−−−−−−−−−−−√. This analysis uses data collected with the CMS detector at the LHC, corresponding to integrated luminosities of 404 μb−1 and 27.4 pb−1 for PbPb and pp collisions, respectively. Charged particle number densities, jet fragmentation functions, and jet shapes are presented as a function of PbPb collision centrality and charged-particle track transverse momentum, providing a differential description of jet modifications due to interactions with the quark-gluon plasma.

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e-pub ahead of print date: 2 May 2018

Identifiers

Local EPrints ID: 421556
URI: http://eprints.soton.ac.uk/id/eprint/421556
ISSN: 1029-8479
PURE UUID: ace2cb4a-80b3-45c9-8576-76f35af4af51
ORCID for Alexander Belyaev: ORCID iD orcid.org/0000-0002-1733-4408

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Date deposited: 15 Jun 2018 16:30
Last modified: 17 Dec 2019 01:44

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