Measurement of charged jet production cross sections and nuclear modification in p–Pb collisions at √sNN=5.02 TeV
ALICE Collaboration. (2015). Measurement of charged jet production cross sections and nuclear modification in p–Pb collisions at √sNN=5.02 TeV. Physics Letters B, 749, 68–81. https://doi.org/10.1016/j.physletb.2015.07.054
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Physics Letters BAuthors
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2015Copyright
© 2015 CERN for the benefit of the ALICE Collaboration. Published by Elsevier B.V. This is an open
access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3.
Charged jet production cross sections in p–Pb collisions at √sNN = 5.02 TeV measured with the ALICE
detector at the LHC are presented. Using the anti-kT algorithm, jets have been reconstructed in the central
rapidity region from charged particles with resolution parameters R = 0.2 and R = 0.4. The reconstructed
jets have been corrected for detector effects and the underlying event background. To calculate the
nuclear modification factor, RpPb, of charged jets in p–Pb collisions, a pp reference was constructed
by scaling previously measured charged jet spectra at √s = 7 TeV. In the transverse momentum range
20 ≤ pT, ch jet ≤ 120 GeV/c, RpPb is found to be consistent with unity, indicating the absence of strong
nuclear matter effects on jet production. Major modifications to the radial jet structure are probed via
the ratio of jet production cross sections reconstructed with the two different resolution parameters. This
ratio is found to be similar to the measurement in pp collisions at √s = 7 TeV and to the expectations
from PYTHIA pp simulations and NLO pQCD calculations at √sNN = 5.02 TeV
...


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Except where otherwise noted, this item's license is described as © 2015 CERN for the benefit of the ALICE Collaboration. Published by Elsevier B.V. This is an open
access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3.
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