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Title: Measurements of inclusive jet spectra in p p and central Pb-Pb collisions at s N N = 5.02 TeV

Journal Article · · Physical Review. C
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This article reports measurements of the pT-differential inclusive jet cross section in pp collisions at $$\sqrt{s}$$ = 5.02 TeV and the pT-differential inclusive jet yield in Pb-Pb 0–10% central collisions at $$\sqrt{s_{NN}}$$ = 5.02 TeV. Jets were reconstructed at midrapidity with the ALICE tracking detectors and electromagnetic calorimeter using the anti-kT algorithm. For pp collisions, we report jet cross sections for jet resolution parameters R = 0.1 – 0.6 over the range 20 < pT, jet < 140 GeV/c, as well as the jet cross-section ratios of different R and comparisons to two next-to-leading-order (NLO)–based theoretical predictions. For Pb-Pb collisions, we report the R = 0.2 and R = 0.4 jet spectra for 40 < PTjet < 140 GeV/c and 60 < PTjet < 140 GeV/c, respectively. The scaled ratio of jet yields observed in Pb-Pb to pp collisions, RAA, is constructed, and exhibits strong jet quenching and a clear pT dependence for R = 0.2 . No significant R dependence of the jet RAA is observed within the uncertainties of the measurement. These results are compared to several theoretical predictions.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
Contributing Organization:
ALICE Collaboration
Grant/Contract Number:
AC02-05CH11231; AC05-00OR22725
OSTI ID:
1604860
Alternate ID(s):
OSTI ID: 1615311; OSTI ID: 1822001
Journal Information:
Physical Review. C, Vol. 101, Issue 3; ISSN 2469-9985
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 27 works
Citation information provided by
Web of Science

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