Erlangen 2026 – scientific programme
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T: Fachverband Teilchenphysik
T 79: Searches/BSM IV
T 79.5: Talk
Thursday, March 19, 2026, 17:15–17:30, KH 02.018
Parameter determination for singlino dark matter scenarios in the NMSSM — •Laurenz Kriege3, Gudrid Moortgat-Pick1, and Sven Heinemeyer2 — 1DESY and Hamburg U., Inst. Theor. Phys. II — 2Madrid, IFT — 3UHH
We study the reconstruction of the underlying parameters of the Next-to-Minimal Supersymmetric Standard Model (NMSSM) by assuming certain chargino and neutralino measurements at a future e+e- collider. We take scenarios with singlino dominated dark matter, with bino, wino, and gluino masses obeying the approximate GUT relations and an overall scenario consistent with the measured excesses at ATLAS and CMS and all experimental constraints. We demonstrate that both the dark matter relic density and most of the relevant NMSSM parameters can be reconstructed.
Keywords: NMSSM; BSM; DM; Parameter determination