17–24 Jul 2024
Prague
Europe/Prague timezone

Subleading Higgs effects in e+e- -> fermion+antifermion

18 Jul 2024, 17:19
17m
South Hall 2A

South Hall 2A

Parallel session talk 01. Higgs Physics Higgs Physics

Speaker

Axel Torsten Maas

Description

Subtle field-theoretical effects suggest the presence of additional Higgs contributions in standard model processes. This has been supported by electroweak lattice calculation, e.g. for vector boson scattering. These effects can be included in perturbation theory by a suitable augmentation.

We use such augmented perturbation theory to determine the impact at next-to-leading order at lepton colliders, from LEP to future machines such as FCC, in collisions with fermion-antifermion final states. After providing the formal background, we give first approximate results for differential cross sections and total cross sections. We will discuss what would be necessary to detect these effects.

Alternate track 04. Top Quark and Electroweak Physics
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