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Measurement of the triple-differential cross section for photon+jets production in proton-proton collisions at sqrt(s)=7 TeV

Abstract : A measurement of the triple-differential cross section (sigma as a function of the photon pt and eta and the jet eta) in photon+jets final states using a data sample from proton-proton collisions at sqrt(s)=7 TeV is presented. This sample corresponds to an integrated luminosity of 2.14 inverse femtobarns collected by the CMS detector at the LHC. Photons and jets are reconstructed within a pseudorapidity range of abs(eta) < 2.5, and are required to have transverse momenta in the range 40 < pt(gamma) < 300 GeV and pt(jet) > 30 GeV, respectively. The measurements are compared to theoretical predictions from the SHERPA leading-order QCD Monte Carlo event generator and the next-to-leading-order perturbative QCD calculation from JETPHOX. The predictions are found to be consistent with the data over most of the examined kinematic region.
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http://hal.in2p3.fr/in2p3-00909173
Contributor : Sylvie Flores <>
Submitted on : Tuesday, November 26, 2013 - 7:21:28 AM
Last modification on : Friday, June 5, 2020 - 10:52:05 AM

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S. Chatrchyan, S. Baffioni, F. Beaudette, L. Benhabib, M. Bluj, et al.. Measurement of the triple-differential cross section for photon+jets production in proton-proton collisions at sqrt(s)=7 TeV. Journal of High Energy Physics, Springer, 2014, 6, pp.9. ⟨10.1007/JHEP06(2014)009⟩. ⟨in2p3-00909173⟩

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