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Measurement of the nuclear modification factor for inclusive jets in Pb+Pb collisions at √sNN = 5.02 TeV with the ATLAS detector
Aaboud, M. Rogan, Christopher The ATLAS Collaboration
Aaboud, M.
Rogan, Christopher
The ATLAS Collaboration
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Abstract
Measurements of the yield and nuclear modification factor, RAA, for inclusive jet production are performed using 0.49 nb−1 of Pb+Pb data at √sNN = 5.02 TeV and 25 pb−1 of pp data at √s = 5.02 TeV with the ATLAS detector at the LHC. Jets are reconstructed with the anti-kt algorithm with radius parameter R = 0.4 and are measured over the transverse momentum range of 40–1000 GeV in six rapidity intervals covering |y| < 2.8. The magnitude of RAA increases with increasing jet transverse momentum, reaching a value of approximately 0.6 at 1 TeV in the most central collisions. The magnitude of RAA also increases towards peripheral collisions. The value of RAA is independent of rapidity at low jet transverse momenta, but it is observed to decrease with increasing rapidity at high transverse momenta.
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This work is licensed under a Creative Commons Attribution 4.0 International License.
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2019-03-10
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Elsevier
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M. Aaboud et al., "Measurement of the nuclear modification factor for inclusive jets in Pb+Pb collisions at sNN=5.02 TeV with the ATLAS detector", Physics Letters B, Volume 790, 2019, Pages 108-128, ISSN 0370-2693, https://doi.org/10.1016/j.physletb.2018.10.076. (http://www.sciencedirect.com/science/article/pii/S037026931830995X)