SMuK 2023 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 84: Theory EW

T 84.1: Vortrag

Mittwoch, 22. März 2023, 17:30–17:45, HSZ/0204

Polarized cross sections for vector boson production with Sherpa — •Mareen Hoppe¹, Frank Siegert¹, and Marek Schönherr² — ¹Institute of Nuclear and Particle Physics, Technische Universität Dresden — ²Institute for Particle Physics Phenomenology, Durham University

Polarization of vector bosons started to become an extensively investigated topic in recent years due to its sensitivity to the concrete mechanism of electroweak symmetry breaking and to beyond standard model physics. The general-purpose Monte-Carlo event generator Sherpa is used for event simulation of various processes in the analysis of LHC data. In this talk, an implementation is presented which will enable the simulation of polarized cross sections for vector bosons in future releases of Sherpa. Special features like the simulation of all polarized contributions in a single run - including the bulk of their NLO QCD behavior - and the direct calculation of the interference between them are discussed. Validation data comparing the new implementation with literature studies and results from its first applications in phenomenological analyses will be shown for several processes.