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Singlet-Doublet Model: Dark matter searches and LHC constraints

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arxiv 1505.03867 v2 pith:IXHPRRRO submitted 2015-05-14 hep-ph

Lorenzo Calibbi , Alberto Mariotti , Pantelis Tziveloglou This is my paper · ORCID
classification hep-ph
keywords matterdarkmodelsearchesconstraintsdirectsinglet-doubletspin
verification ladder T0 review T1 audit T2 compute T3 formal
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The Singlet-Doublet model of dark matter is a minimal extension of the Standard Model with dark matter that is a mixture of a singlet and a non-chiral pair of electroweak doublet fermions. The stability of dark matter is ensured by the typical parity symmetry, and, similar to a "Bino-Higgsino" system, the extra matter content improves gauge coupling unification. We revisit the experimental constraints on the Singlet-Doublet dark matter model, combining the most relevant bounds from direct (spin independent and spin dependent) and indirect searches. We show that such comprehensive analysis sets strong constraints on a large part of the 4-dimensional parameter space, closing the notorious "blind-spots" of spin independent direct searches. Our results emphasise the complementarity of direct and indirect searches in probing dark matter models in diverse mass scale regimes. We also discuss the LHC bounds on such scenario, which play a relevant role in the low mass region of the dark matter candidate.

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Forward citations

Cited by 4 Pith papers

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

  1. Minimal Dark Matter: Generalized Framework and Direct-Detection Sensitivity

    hep-ph 2026-02 conditional novelty 6.0 of 10

    For Higgs-coupled minimal dark matter, the 3M2D, 5M4D, and 7M6D combinations can have direct-detection cross sections below the neutrino floor, so next-generation direct detection cannot fully exclude the model.

  2. Probing Dark Matter freeze-in with long-lived particle signatures: MATHUSLA, HL-LHC and FCC-hh

    hep-ph 2019-08 conditional novelty 6.0 of 10

    Projected MATHUSLA, HL-LHC, and FCC-hh forward detector sensitivities probe Higgs-mediated freeze-in dark matter across parent masses up to about 10 TeV.

  3. Gravitational Wave Probe of Singlet-Doublet Dark Matter Induced Radiative Neutrino Mass

    hep-ph 2025-11 conditional novelty 5.0 of 10

    A radiative-seesaw model with singlet-doublet dark matter can satisfy neutrino, muon, flavor, relic, and direct-detection constraints while producing a first-order electroweak phase transition with gravitational waves...

  4. Impact of conversion-driven processes on singlet-doublet Majorana dark matter relic

    hep-ph 2025-11 conditional novelty 4.0 of 10

    For Majorana singlet-doublet dark matter, including conversion-driven processes enlarges the relic-density- and direct-detection-allowed mixing range to sinθ≈2×10^-7–0.16 for M_DM up to ~1750 GeV.

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