NLO QCD corrections to WWbb production at hadron colliders

Details NLO QCD corrections to WWbb production at hadron colliders NLO QCD corrections to WWbb production at hadron colliders

2010-12-17

arxiv.org/abs/1012.3975v2

Phys.Rev.Lett.106:052001,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 3 figures. Note and reference added; matches version published in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.106.052001

Top-antitop quark pairs belong to the most abundantly produced and precisely measurable heavy-particle signatures at hadron colliders and allow for crucial tests of the Standard Model and new-physics searches. Here we report on the calculation of the next-to-leading order (NLO) QCD corrections to hadronic WWbb production, which provides a complete NLO description of the production of top-antitop pairs and their subsequent decay into W bosons and bottom quarks, including interferences, off-shell effects, and non-resonant backgrounds. Numerical predictions for the Tevatron and the LHC are presented.

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