Münster 2017 – scientific programme

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T: Fachverband Teilchenphysik

T 20: Beyond the Standard Model (Theorie) 1

T 20.3: Talk

Monday, March 27, 2017, 17:15–17:30, VSH 19

Extrapolation of LEP limits to non-SM Higgs couplings for a future lepton collider with high luminosity — •Peter Drechsel¹, Gudrid Moortgat-Pick^{1, 2}, and Georg Weiglein¹ — ¹DESY, Notkestraße 85, D-22607 Hamburg, Germany — ²II. Institute for Theoretical Physics, University of Hamburg, Luruper Chaussee 149, D-22761 Hamburg, Germany

The particle discovered in the Higgs boson searches at the LHC with a mass of about 125 GeV can be identified with one neutral Higgs boson in a variety of Beyond the Standard Model (BSM) theories with an extended Higgs sector. Limits on the couplings between additional Higgs fields to the electroweak gauge-bosons in such theories can be obtained by model-independent Higgs searches at lepton colliders. We present an extrapolation of the limits obtained at LEP for a future lepton collider. In a second step, we apply the extrapolated limits on different BSM models with an extended Higgs-sector.