Karlsruhe 2011 – scientific programme

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T: Fachverband Teilchenphysik

T 17: Beyond the Standard Model (Theorie) II

T 17.9: Talk

Wednesday, March 30, 2011, 18:45–19:00, 30.23: 6-1

Higgs boson self couplings in the MSSM — •Mathias Brucherseifer — PSI Villigen

The Higgs sector in the MSSM is known to receive large radiative corrections at one-loop level, coming from top and stop loops. The O(α_s α_t) two-loop radiative corrections to the MSSM Higgs masses and self couplings can be determined by the effective potential method, which is equivalent to the exact diagrammatic result in the limit of vanishing external momenta. This talk will cover a review about the effective potential method applied to the MSSM Higgs sector and its renormalization at two-loop order. Preliminary numerical results will be presented.