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Yukawa alignment in the two-Higgs-doublet model

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dc.contributor.author	Pich Zardoya, Antonio
dc.contributor.author	Tuzón Marco, Paula
dc.date.accessioned	2015-02-27T11:05:03Z
dc.date.available	2015-02-27T11:05:03Z
dc.date.issued	2009
dc.identifier.citation	Pich Zardoya, Antonio Tuzón Marco, Paula 2009 Yukawa alignment in the two-Higgs-doublet model Physical Review D 80 9 091702
dc.identifier.uri	http://hdl.handle.net/10550/42504
dc.description.abstract	In multi-Higgs-doublet models the alignment in flavor space of the relevant Yukawa matrices guarantees the absence of tree-level flavor-changing couplings of the neutral scalar fields. We analyze the consequences of this condition within the two-Higgs-doublet model and show that it leads to a generic Yukawa structure which contains as particular cases all known specific implementations of the model based on Z(2) symmetries. All possible freedom in the Yukawa sector gets parametrized in terms of three complex couplings sigma(f). In spite of having flavor conservation in the neutral scalar couplings, the phases of these three parameters represent potential new sources of CP violation.
dc.language.iso	eng
dc.relation.ispartof	Physical Review D, 2009, vol. 80, num. 9, p. 091702
dc.subject	Física
dc.title	Yukawa alignment in the two-Higgs-doublet model
dc.type	journal article	es_ES
dc.date.updated	2015-02-27T11:05:03Z
dc.identifier.doi	10.1103/PhysRevD.80.091702
dc.identifier.idgrec	056327
dc.rights.accessRights	open access	es_ES