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Measurements of the Nuclear Modification Factor for Jets in Pb + Pb Collisions at √s[subscript NN] = 2.76 TeV with the ATLAS Detector

Author(s)
Taylor, Frank E.
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Abstract
Measurements of inclusive jet production are performed in pp and Pb + Pb collisions at √s[subscript NN] = 2.76 TeV with the ATLAS detector at the LHC, corresponding to integrated luminosities of 4.0 and 0.14  nb[superscript −1], respectively. The jets are identified with the anti-k[subscript t] algorithm with R = 0.4, and the spectra are measured over the kinematic range of jet transverse momentum 32 < p[subscript T] < 500  GeV and absolute rapidity |y| < 2.1 and as a function of collision centrality. The nuclear modification factor R[subscript AA] is evaluated, and jets are found to be suppressed by approximately a factor of 2 in central collisions compared to pp collisions. The R[subscript AA] shows a slight increase with p[subscript T] and no significant variation with rapidity.
Date issued
2015-02
URI
http://hdl.handle.net/1721.1/97388
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Aad, G., B. Abbott, J. Abdallah, S. Abdel Khalek, O. Abdinov, R. Aben, B. Abi, et al. “Measurements of the Nuclear Modification Factor for Jets in Pb + Pb Collisions at √s[subscript NN] = 2.76 TeV with the ATLAS Detector.” Physical Review Letters 114, no. 7 (February 2015). © 2015 CERN, for the ATLAS Collaboration
Version: Final published version
ISSN
0031-9007
1079-7114

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