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Next-to-leading order QCD corrections to W+W-gamma and ZZ gamma production with leptonic decays

AuthorsCampanario, Francisco ; Bozzi, G.; Hankele, V.; Zeppenfeld, D.
Issue Date1-May-2010
PublisherAmerican Physical Society
CitationPhysical Review - Section D - Particles and Fields 81 (9): 094030 (2010)
AbstractThe computation of the O(alpha(s)) QCD corrections to the cross sections for W+W-gamma and ZZ gamma production in hadronic collisions is presented. We consider the case of a real photon in the final state, but include full leptonic decays of the W and Z bosons. Numerical results for the LHC and the Tevatron are obtained through a fully flexible parton level Monte Carlo program based on the structure of the VBFNLO program, allowing an easy implementation of arbitrary cuts and distributions. We show the dependence on scale variations of the integrated cross sections and provide evidence that next-to-leading order (NLO) QCD corrections strongly modify the LO predictions for observables at the LHC both in magnitude and in shape.
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevD.81.094030
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