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20022023
most citedTheory and phenomenology of two-Higgs-doublet models

2.6k citations

Showing 2021 · hep-phShow all

7 papers · 2 filters

hep-ph2021★ 8 cited

3HDM with symmetry and its phenomenological consequences

J. Kalinowski, W. Kotlarski, M. N. Rebelo +1

We perform a comprehensive analysis of a version of the 3-Higgs doublet model whose scalar potential is invariant under a global discrete symmetry and where the three scala…

hep-ph2021★ 9 cited

Decays of the Heavy Top and New Insights on in a one-VLQ Minimal Solution to the CKM Unitarity Problem

Francisco J. Botella, G. C. Branco, M. N. Rebelo +2

We propose a minimal extension of the Standard Model where an up-type vector-like quark, denoted , is introduced and provides a simple solution to the CKM unitarity problem. We…

hep-ph2021★ 1 cited

Dark matter in three-Higgs-doublet models with symmetry

W. Khater, A. Kunčinas, O. M. Ogreid +2

Models with two or more scalar doublets with discrete or global symmetries can have vacua with vanishing vacuum expectation values in the bases where symmetries are imposed. If a s…

hep-ph2021★ 3 cited

Diluting quark flavor hierarchies using dihedral symmetry

Ayushi Srivastava, Miguel Levy, Dipankar Das

We present a flavored extension of the SM which provides an intuitive reasoning for the masses and mixing patterns in the quark sector. In our model, the Cabibbo mixing angle…

hep-ph2021★ 21 cited

Prospects of light charged scalars in a three Higgs doublet model with symmetry

Manimala Chakraborti, Dipankar Das, Miguel Levy +2

The stringent constraints from the direct searches for exotic scalars at the LHC as well as indirect bounds from flavor physics measurements have imposed severe restrictions on the…

hep-ph2021★ 59 cited

Addressing the CKM Unitarity Problem with a Vector-like Up Quark

G. C. Branco, J. T. Penedo, Pedro M. F. Pereira +2

We point out that hints of deviations from unitarity in the first row of the CKM matrix may be explained by the presence of a single vector-like top. We study how the stringent exp…

hep-ph2021★ 18 cited

Leaks of CP violation in the real two-Higgs doublet model

Duarte Fontes, Maximilian Löschner, Jorge C. Romão +1

We discuss the symmetric two Higgs doublet model with a real soft breaking term (real 2HDM). We explain in detail why it is not tenable to assume CP conservation in the scala…