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Scalar sector properties of two-Higgs-doublet models with a global U(1) symmetry

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arxiv 1308.4297 v2 pith:IM5XVLF3 submitted 2013-08-20 hep-ph

Gautam Bhattacharyya , Dipankar Das , Palash B. Pal , M. N. Rebelo This is my paper · ORCID
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abstract

We analyze the scalar sector properties of a general class of two-Higgs-doublet models which has a global U(1) symmetry in the quartic terms. We find constraints on the parameters of the potential from the considerations of unitarity of scattering amplitudes, the global stability of the potential and the $\rho$-parameter. We concentrate on the spectrum of the non-standard scalar masses in the decoupling limit which is preferred by the Higgs data at the LHC. We exhibit charged-Higgs induced contributions to the diphoton decay width of the 125\,GeV Higgs boson and its correlation with the corresponding $Z\gamma$ width.

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

  1. Relating the Cabibbo angle to $\tan\beta$ in a two Higgs-doublet model

    hep-ph 2019-08 accept novelty 6.0 of 10

    In a D4-symmetric two-Higgs-doublet model, the Cabibbo angle equals twice the Higgs vacuum mixing angle: sin theta_C = sin 2 beta.

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