Dr. Christoph Borschensky

In supersymmetric theories, the Higgs boson masses are derived quantities that depend on the other parameters of the theory, and where higher-order corrections have to be included in order to be compatible with the measured Higgs mass value. Closely related through the Higgs potential are the Higgs self-interactions. A measurement of the trilinear Higgs self-coupling will provide the first step towards the experimental verification of the Higgs mechanism. Hence, precise predictions for the Higgs parameters are required to match the precision of current and future experiments.

In my talk, I report on precision calculations for Higgs parameters in the Next-to-Minimal Supersymmetric extension of the Standard Model with CP-violating couplings within the framework of the NMSSMCALC spectrum calculator. In particular, I will discuss the recent two-loop calculations for the trilinear Higgs self-coupling as well as precise predictions for the Standard-Model-like Higgs mass in the scenario where all non-Standard-Model particles feature TeV-scale masses.