Family symmetries and alignment in multi-Higgs doublet models
classification
✦ hep-ph
keywords
alignmentdoubletfamilymodelsmulti-higgssymmetriesyukawacancellation
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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.
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