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Global fits in the Aligned Two-Higgs-Doublet model

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arxiv 2012.09200 v2 pith:DIGG2CNB submitted 2020-12-16 hep-ph

Otto Eberhardt , Ana Peñuelas Martínez , Antonio Pich This is my paper · ORCID
classification hep-ph
keywords scalaralignedfitsglobalmodelpotentialassumingavailable
verification ladder T0 review T1 audit T2 compute T3 formal
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We present the results of a global fit to the Aligned Two-Higgs Doublet Model, assuming that there are no new sources of CP violation beyond the quark mixing matrix. We use the most constraining flavour observables, electroweak precision measurements and the available data on Higgs signal strengths and collider searches for heavy scalars, together with the theoretical requirements of perturbativity and positivity of the scalar potential. The combination of all these constraints restricts the values of the scalar masses, the couplings of the scalar potential and the flavour-alignment parameters. The numerical fits have been performed using the open-source HEPfit package.

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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. Correlating Resonant Di-Higgs and Tri-Higgs Production to $H\to VV$ in the 2HDM

    hep-ph 2025-12 conditional novelty 6.0 of 10

    In the decoupling limit of the 2HDM, a heavy Higgs boson's decays to two Higgs bosons and to Z/W pairs are predicted to have a fixed ratio of about 9.5, independent of Yukawa and scalar-potential parameters.

  2. Light scalars within the $\mathcal{CP}$-conserving Aligned-two-Higgs-doublet model

    hep-ph 2024-12 conditional novelty 6.0 of 10

    All seven light-scalar scenarios of the CP-conserving aligned two-Higgs-doublet model contain sizeable parameter regions compatible with current collider and flavour data, with the lightest new scalars bounded by LEP ...

  3. One-loop induced contributions to the rare decay of $A_0 \rightarrow h_0h_0\gamma$ in Two Higgs Doublet Models

    hep-ph 2025-01 conditional novelty 5.0 of 10

    First complete one-loop analytic calculation of A0 -> h0h0 gamma in the CP-conserving two Higgs doublet model, with benchmark decay rates and differential distributions.

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