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Measurement of the inclusive isolated prompt photons cross section in pp collisions at √s = 7 TeV with the ATLAS detector using 4.6 fb[superscript -1]

Author(s)
Taylor, Frank E.
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Abstract
A measurement of the cross section for the production of isolated prompt photons in pp collisions at a center-of-mass energy √s = 7  TeV is presented. The results are based on an integrated luminosity of 4.6  fb[superscript −1] collected with the ATLAS detector at the LHC. The cross section is measured as a function of photon pseudorapidity η[superscript γ] and transverse energy E[γ over T] in the kinematic range 100 ≤ E[γ over T] < 1000  GeV and in the regions |η[superscript γ]| < 1.37 and 1.52 ≤ |η[superscript γ]| < 2.37. The results are compared to leading-order parton-shower Monte Carlo models and next-to-leading-order perturbative QCD calculations. Next-to-leading-order perturbative QCD calculations agree well with the measured cross sections as a function of E[γ over T] and η[superscript γ].
Date issued
2014-03
URI
http://hdl.handle.net/1721.1/88796
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Physical Review D
Publisher
American Physical Society
Citation
Aad, G., T. Abajyan, B. Abbott, J. Abdallah, S. Abdel Khalek, A. A. Abdelalim, O. Abdinov, et al. “Measurement of the inclusive isolated prompt photons cross section in pp collisions at √s = 7 TeV with the ATLAS detector using 4.6 fb[superscript -1].” Phys. Rev. D 89, no. 5 (March 2014). © 2014 CERN, for the ATLAS Collaboration
Version: Final published version
ISSN
1550-7998
1550-2368

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