Aachen 2019 – scientific programme

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T: Fachverband Teilchenphysik

T 9: Higgs: Erweiterte Modelle

T 9.1: Talk

Monday, March 25, 2019, 16:00–16:15, S07

An effective scanning method of the NMSSM parameter space — •Conny Beskidt¹, Wim de Boer¹, and Dmitri Kazakov^1,2 — ¹Karlsruhe Institute of Technology (IETP) — ²JINR, ITEP, Moscow, Russia

The next-to minimal supersymmetric standard model (NMSSM) naturally provides a 125 GeV Higgs boson and a dark matter sector with electroweak scale neutralinos consistent with all experimental data, like relic density and non-observation of direct or indirect DM signals. However, more free parameters are introduced, which are strongly correlated especially if all radiative corrections from the GUT scale are considered. A simple parameter scan without knowing the correlation matrix is not efficient and missing out significant regions of the parameter space is at risk. We introduce a new technique to sample the NMSSM parameter space, which allows an efficient sampling with complete coverage. For this we reduce the 7D NMSSM parameter space to a 3D Higgs boson mass parameter space, which allows a detailed sampling of the Higgs mass space and therefore a complete study of the NMSSM Higgs sector including predictions of branching ratios and cross sections.