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Sources of CP Violation in the Two-Higgs Doublet Model

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arxiv hep-ph/9409421 v1 pith:RNWFNTNP submitted 1994-09-27 hep-ph

Yue-Liang Wu , Lincoln Wolfenstein This is my paper · ORCID
classification hep-ph
keywords higgsmodelviolationbosondoubletepsilonneutralsymmetry
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abstract

Assuming CP violation arises solely through the Higgs potential, we develop the most general two-Higgs doublet model. There is no discrete symmetry that distinguishes the two Higgs bosons. It is assumed that an approximate global family symmetry sufficiently suppresses flavor-changing neutral scalar interactions. In addition to a CKM phase, neutral boson mixing, and superweak effects, there can be significant CP violation due to charged Higgs boson exchange. The value of $\epsilon'/\epsilon$ due to this last effect could be as large as in the standard model.

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Cited by 4 Pith papers

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

  1. 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 ...

  2. Probing the imaginary parts and their $q^2$ dependences for the tau $g-2$ and EDM

    hep-ph 2026-05 unverdicted novelty 5.0 of 10

    Explores q² dependence and imaginary parts of tau g-2 and EDM in SMEFT and 2HDM, proposing methods to measure them at Belle II and STCF to improve a_τ bounds by over an order of magnitude.

  3. Complex $\tau$ Electric Dipole Moment from GeV-Scale New Physics

    hep-ph 2025-10 unverdicted novelty 5.0 of 10

    An axion-like particle coupling induces sizable real and imaginary components in the tau EDM, with values potentially accessible at STCF and Belle II.

  4. Dark Matter and CP Violation in Some Symmetry-Constrained 3HDMs

    hep-ph 2025-06 conditional novelty 4.0 of 10

    S3-symmetric three-Higgs-doublet models allow dark matter in a 29-42 GeV window, exclude heavy candidates above 500 GeV, and admit MeV-scale light scalars, while continuous-symmetry variants produce mass-degenerate da...

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