SMuK 2023 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 84: Theory EW

T 84.4: Vortrag

Mittwoch, 22. März 2023, 18:15–18:30, HSZ/0204

NLO QCD predictions for polarised WZ production — •Christoph Haitz — Institut für Theoretische Physik 2, Julius-Maximilians Univerität Würzburg

The double-pole approximation allows the calculation of observables with polarised virtual particles in a gauge-independent way. One class of processes where this is particularly useful are gauge-boson pair-production processes. This method has been very successful for the study of vector bosons decaying into leptons. The natural step forward from this is the investigation of hadronically decaying bosons. In my talk I will discuss the NLO QCD predictions to the production of a polarised WZ pair where the W boson decays hadronically and the Z boson leptonically. In particular it will be explained what physical observables are best suited to discriminate between the different polarisation states of the resonant bosons. Furthermore the effects of the NLO QCD corrections on the differential cross-sections will be elaborated, as the corrections can become very large and fundamentally change the features of the distributions.