Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-10-17
Phys.Rev.D77:073006,2008
Physics
High Energy Physics
High Energy Physics - Phenomenology
30 pages, 10 figures, 2 new sections, including a comparison with previous results on multi-photon radiation; version publishe
Scientific paper
10.1103/PhysRevD.77.073006
The high accuracy envisaged for future measurements of W-boson production at hadron colliders has to be matched by precise theoretical predictions. We study the impact of electroweak radiative corrections on W-boson production cross sections and differential distributions at the Tevatron and at the LHC. In particular, we include photon-induced processes, which contribute at O(alpha), and leading radiative corrections beyond O(alpha) in the high-energy Sudakov regime and from multi-photon final-state radiation. We furthermore present the calculation of the complete supersymmetric next-to-leading-order electroweak and QCD corrections to W-boson hadroproduction within the MSSM. The supersymmetric corrections turn out to be negligible in the vicinity of the W resonance in general, reaching the percent level only at high lepton transverse momentum and for specific choices of the supersymmetric parameters.
Brensing Silja
Dittmaier Stefan
Krämer Michael
Mück Alexander
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