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Symmetry and mass degeneration in multi-Higgs-doublet models [PDF]
Journal of High Energy Physics, 2011 20 pages.
Per Osland
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Multi‐Higgs models and CP violation
Fortschritte Der Physik, 2011AbstractIn this talk the question of how to obtain conditions for a given Higgs potential to conserve CP, in the case of multi‐Higgs models, is addressed. Higgs basis invariant conditions are discussed for the case of two Higgs doublets.
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The oblique parameters in multi-Higgs-doublet models [PDF]
Nuclear Physics B, 2008 18 pages, 5 ...
Per Osland +2 more
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Family symmetries and alignment in multi-Higgs doublet models
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 2011 The exact alignment of the Yukawa structures on multi-Higgs doublet models provides cancellation of tree-level flavour changing couplings of neutral scalar fields. We show that family symmetries can provide a suitable justification for the Yukawa alignment.
Ivo de Medeiros Varzielas
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A new avenue to charged Higgs discovery in multi-Higgs models [PDF]
Journal of High Energy Physics, 2014 38 pages, 14 ...
Seodong Shin, Radovan Dermíšek
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Higgs masses in the standard, multi-Higgs and supersymmetric models
Annals of Physics, 1983Abstract Theoretical constraints and limits on the masses of Higgs scalars in the standard electroweak model, in electroweak models with additional Higgs doublets and in various supersymmetric models are presented. In the standard model, the lower limit on the Higgs mass, based on vacuum stability arguments, is reviewed in detail, as are “upper ...
Marc Sher, Ricardo A Flores
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Symmetries and observable parameters of multi-Higgs-doublet models
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 1995 Abstract We investigate the symmetries of the Yukawa and the Higgs sectors in multi-Higgs-doublet standard models. We extend a method that was originally formulated for counting the observable parameters of the Yukawa sector of the standard model to multi-Higgs-doublet models.
Recai Erdem
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Neutrinos Masses in a Multi-Higgs Model with A4 symmetry
Nuclear Physics B - Proceedings Supplements, 2012Abstract Presently it is well known that neutrino oscillation data are well described by massive neutrinos and their mixing. This suggests changes in the standard model (SM) and makes the flavor physics even more interesting. Recently, it has been proposed a multi-Higgs extension of the SM with Abelian and non-Abelian discrete symmetries which seeks ...
Machado, A. C B +2 more
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Conditions for the custodial symmetry in multi-Higgs-doublet models [PDF]
Journal of High Energy Physics, 2018 AbstractWe derive basis-independent, necessary and sufficient conditions for the custodial symmetry in N-Higgs-doublet models (NHDM) forN≥ 3, and apply them on some 3HDM examples.
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