Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2012-02-02
Physics
High Energy Physics
High Energy Physics - Phenomenology
31 pages, 7 figures. Minor corrections, references added and updated. Final version to appear in JHEP
Scientific paper
We present a fully consistent implementation of electroweak and strong radiative corrections to single W hadroproduction in the POWHEG BOX framework, treating soft and collinear photon emissions on the same ground as coloured parton emissions. This framework can be easily extended to more complex electroweak processes. We describe how next-to-leading order (NLO) electroweak corrections are combined with the NLO QCD calculation, and show how they are interfaced to QCD and QED shower Monte Carlo. The resulting tool fills a gap in the literature and allows to study comprehensively the interplay of QCD and electroweak effects to W production using a single computational framework. Numerical comparisons with the predictions of the electroweak generator HORACE, as well as with existing results on the combination of electroweak and QCD corrections to W production, are shown for the LHC energies, to validate the reliability and accuracy of the approach
Barzè L.
Montagna Guido
Nason Paolo
Nicrosini Oreste
Piccinini Fulvio
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