CP properties of symmetry-constrained two-Higgs-doublet models

Details CP properties of symmetry-constrained two-Higgs-doublet models CP properties of symmetry-constrained two-Higgs-doublet models

2010-04-19

arxiv.org/abs/1004.3207v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 2 tables, revised version adapted to the journal publication

Scientific paper

10.1007/JHEP08(2010)125

The two-Higgs-doublet model can be constrained by imposing Higgs-family symmetries and/or generalized CP symmetries. It is known that there are only six independent classes of such symmetry-constrained models. We study the CP properties of all cases in the bilinear formalism. An exact symmetry implies CP conservation. We show that soft breaking of the symmetry can lead to spontaneous CP violation (CPV) in three of the classes.

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