Jet properties in PbPb and pp collisions at √sNN = 5.02 TeV
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13130_2018_Article_8157.pdf
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Author(s)
Sirunyan, A. M
Tumasyan, A.
Adam, W.
Ambrogi, F.
Asilar, E.
Bergauer, T.
Brandstetter, J.
Brondolin, E.
Dragicevic, M.
Erö, J.
Date Issued
May 2018
Journal
Journal of High Energy Physics
Publisher
Springer Berlin Heidelberg
Citation
Sirunyan, A. M. et al. "Jet properties in PbPb and pp collisions at √sNN = 5.02 TeV." Journal of High Energy Physics (May 2018): 6 © 2018 The Author(s)
Version
Final published version
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[superscript 2] + Δϕ[superscript 2].This analysis uses data collected with the CMS detector at the LHC, corresponding to integrated luminosities of 404 μb[superscript −1] and 27.4 pb[superscript −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.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
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DOI of Published Version
https://doi.org/10.1007/JHEP05(2018)006
