Hamburg 2016 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 31: Elektroschwache Wechselwirkung und BSM (Theorie)

T 31.6: Vortrag

Montag, 29. Februar 2016, 18:05–18:20, VMP8 SR 105

Automation of electroweak NLO corrections in general models — •Jean-Nicolas Lang — Universität Würzburg

I discuss the automation of generation of scattering amplitudes in general quantum field theories at next-to-leading order in perturbation theory. The work is based on Recola, a highly efficient one-loop amplitude generator for the Standard Model, which I have extended so that it can deal with general quantum field theories. Internally, Recola computes off-shell currents and for new models new rules for off-shell currents emerge which are derived from the Feynman rules. My work relies on the UFO format which can be obtained by a suited model builder, e.g. FeynRules. I have developed tools to derive the necessary counterterm structures and to perform the renormalization within Recola in an automated way. I will describe the procedure using the example of the two-Higgs-doublet model.