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Phenomenology of the dark matter sector in the 2HDM extended with complex scalar singlet

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arxiv 2203.05509 v4 pith:R5U5ZKLY submitted 2022-03-10 hep-ph

Phenomenology of the dark matter sector in the 2HDM extended with complex scalar singlet

classification hep-ph
keywords darkmattercomplexhdmsscalarsingletcandidatemodel
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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abstract

The two-Higgs-doublet model augmented with a complex scalar singlet (2HDMS) is a well-motivated candidate for Beyond Standard Model (BSM) Physics. We investigate the dark matter phenomenology of the 2HDMS with the complex scalar singlet as the dark matter candidate. We perform a study of the parameter space allowed by existing theoretical and experimental constraints from dark matter, flavour physics and collider searches. Further, we discuss a few benchmark scenarios to test the discovery potential for the 2HDMS at the HL-LHC and at future high-energy $e^+e^-$ colliders.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Towards a Unified Framework for Pseudo-Nambu-Goldstone Dark Matter and Electroweak Baryogenesis

    hep-ph 2025-09 unverdicted novelty 6.0

    The cS2HDM unifies a pseudo-Nambu-Goldstone dark matter candidate with electroweak baryogenesis in a two-Higgs-doublet plus complex singlet setup, featuring naturally suppressed DM-nucleon scattering and CP-violating ...

  2. Machine Learning in the 2HDM2S model for Dark Matter

    hep-ph 2025-09 unverdicted novelty 5.0

    A 2HDM extended by two real scalar singlets is scanned with evolutionary strategies to locate regions satisfying vacuum, unitarity, oblique-parameter, collider and dark-matter constraints.

  3. Search for Dark Matter in 2HDMS at LHC and future Lepton Colliders

    hep-ph 2025-04 unverdicted novelty 3.0

    Benchmarks in the 2HDMS model with light to heavy dark matter masses are identified under all constraints and shown to have better discovery prospects at future lepton colliders than at the HL-LHC via cut-and-count analyses.