Bonn 2010 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 10: QCD (Theorie) I

T 10.2: Vortrag

Montag, 15. März 2010, 17:00–17:15, HG XVI

NLO QCD corrections to pp→ W^±Z γ with leptonic decays — •Michael Rauch, Francisco Campanario, Heidi Rzehak, and Dieter Zeppenfeld — Institut für Theoretische Physik, Karlsruher Institut für Technologie (KIT)

We present the computation of the next-to-leading order QCD corrections to W^±Z γ production at hadron colliders. The photon in the final state we take as real, but include full leptonic decays for the W and Z bosons. With its signature including three leptons and missing transverse energy, it is a background for new-physics searches, in particular supersymmetry. The presence of the quartic gauge-boson couplings WWγγ and WWZγ in the Feynman diagrams additionally allows for testing the gauge sector of the Standard Model. Numerical results are obtained via a fully flexible parton-level Monte Carlo, which is based on the VBFNLO program package.