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Search for a lighter Higgs in Two Higgs Doublet Models

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arxiv 1607.08653 v2 pith:X2UMI3EI submitted 2016-07-28 hep-ph

classification hep-ph
keywords higgsdoubletlightermodelsconstraintsparticlesearchanalysis
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

We consider present constraints on Two Higgs Doublet Models, both from the LHC at Run 1 and from other sources in order to explore the possibility of constraining a neutral scalar or pseudo-scalar particle lighter than the 125 GeV Higgs boson. Such a lighter particle is not yet completely excluded by present data. We show with a simplified analysis that some new constraints could be obtained at the LHC if such a search is performed by the experimental collaborations, which we therefore encourage to continue carrying out light diphoton resonance searches at $\sqrt{s}=$ 13 TeV in the context of Two Higgs Doublet Models.

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Cited by 3 Pith papers

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

  1. Light Scalars in the Extended Georgi-Machacek Model

    hep-ph 2025-06 conditional novelty 6.0 of 10

    A global fit of the Georgi-Machacek and extended Georgi-Machacek models finds that the 95 GeV diphoton and bottom-quark excesses are compatible with the 125 GeV Higgs data, while the ditau excess is not, and it sets u...

  2. On the CP Nature of the `95 GeV' Anomalies

    hep-ph 2024-11 conditional novelty 6.0 of 10

    A projection study showing that HL-LHC tau-pair data could determine the CP mixing angle of a hypothetical 95 GeV resonance to within roughly 0.27 to 0.47 radians at 90% confidence.

  3. Exploring Potential Higgs Resonances at 650 GeV and 95 GeV in the 2HDM Type III

    hep-ph 2025-05 conditional novelty 4.0 of 10

    In a 2HDM Type III, a 650 GeV CP-odd Higgs decaying via H(125)Z with H->γγ and Z->bb, plus a 95 GeV light Higgs, can accommodate both the CMS 650 GeV and the 95 GeV diphoton excesses at about 2.5 sigma.

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