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Status of $\mathbb{Z}_3$-NMSSM featuring a light bino-dominated LSP and a light singlet-like scalar under the LZ Experiment by Zhou, Haijing; Ban, Guangning is a scholarly article available to read on EtoBox.

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In the presence of a light singlet-like scalar state, the Bino-dominated dark matter (DM) candidate in the $\mathbb{Z}_3$-NMSSM exhibits significant differences from its counterpart in the MSSM, both in terms of intrinsic properties and mechanisms governing DM relic density and detection. Motivated by recent advancements in particle physics experiments, we systematically analyzed the implications of these developments for the $\mathbb{Z}_3$-NMSSM framework featuring a light bino-dominated DM candidate and a light singlet-like scalar, ensuring theoretical consistency with empirical observations. Of paramount relevance are the latest direct detection constraints from the LZ experiment, SUSY searches at the LHC, and precision measurements of the Muon g-2 anomaly at Fermilab, which collectively impose complementary constraints on the model's parameter space. Our investigation utilized the MultiNest algorithm to perform a rigorous parameter space scan, informed by the LZ(2022) experimental limits, while incorporating constraints from LHC Higgs analyses, Muon g-2 data, and B-physics observables. The results demonstrate that current experimental bounds, particularly stringent limits on SI

Author

Zhou, Haijing; Ban, Guangning

Published

2025

Language

EN