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Measurement of the isolated diphoton cross section in pp collisions at √s=7  TeV with the ATLAS detector

Author(s)
Taylor, Frank E.
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DownloadAad-2012-Measurement of the isolated diphoton cross section in pp collisions at √s (730.6Kb)
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Abstract
The ATLAS experiment has measured the production cross section of events with two isolated photons in the final state, in proton-proton collisions at √s=7  TeV. The full data set acquired in 2010 is used, corresponding to an integrated luminosity of 37  pb[superscript -1]. The background, consisting of hadronic jets and isolated electrons, is estimated with fully data-driven techniques and subtracted. The differential cross sections, as functions of the di-photon mass (m[subscript γγ]), total transverse momentum (pT,[subscript γγ]), and azimuthal separation (Δϕ[subscript γγ]), are presented and compared to the predictions of next-to-leading-order QCD.
Date issued
2012-01
URI
http://hdl.handle.net/1721.1/71988
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Physical Review D
Publisher
American Physical Society
Citation
Aad, G. et al. “Measurement of the Isolated Diphoton Cross Section in Pp Collisions at Sqrt[s]=7  TeV with the ATLAS Detector.” Physical Review D 85.1 (2012). © 2012 CERN, for the ATLAS Collaboration
Version: Final published version
ISSN
1550-7998
1089-4918

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