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No strong CP violation up to the one-loop level in a two-Higgs-doublet model

2019-07-01Journal article Restricted access
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dc.contributor.authorFerreira, Pedro Miguel
dc.contributor.authorLavoura, L.
dc.date.accessioned2019-07-25T09:08:45Z
dc.date.available2019-07-25T09:08:45Z
dc.date.issued2019-07-01
dc.description.abstractWe put forward a two-Higgs-doublet model, furnished with a Z3 symmetry, wherein CP is conserved in the dimension-four terms of the Lagrangian and is softly broken in the scalar potential. The new particles of our model are one neutral scalar H, one neutral pseudoscalar A, and two charged scalars H +/-. In our model the only locus of CP violation is the CKM matrix. Strong CP violation is absent both at the tree and one-loop levels. We work out the phenomenological constraints on our model, which features flavour-changing neutral Yukawa interactions, showing that the new scalar particles may in some cases be lighter than 500 GeV.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFERREIRA, Pedro Miguel; LAVOURA, L. – No strong CP violation up to the one-loop level in a two-Higgs-doublet model. European Physical Journal C. ISSN 1434-6044. Vol. 79, N.º 7 (2019), pp. 1-17pt_PT
dc.identifier.doi10.1140/epjc/s10052-019-7053-4pt_PT
dc.identifier.issn1434-6044
dc.identifier.issn1434-6052
dc.identifier.urihttp://hdl.handle.net/10400.21/10370
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.relationCERN/FIS-PAR/0002/2017 - CERN fundpt_PT
dc.relationUMO-2015/18/M/ST2/00518 - HARMONIA projectpt_PT
dc.relationUID/FIS/00618/2019 - CFTC-UL strategic projectpt_PT
dc.relationPTDC/FIS-PAR/29436/2017 - FCTpt_PT
dc.relationCERN/FIS-PAR/0004/2017 - FCTpt_PT
dc.relationUID/FIS/00777/2019 - FCTpt_PT
dc.relation.publisherversionhttps://link.springer.com/content/pdf/10.1140%2Fepjc%2Fs10052-019-7053-4.pdfpt_PT
dc.subjectCPpt_PT
dc.subjectViolationpt_PT
dc.subjectOne-loop levelspt_PT
dc.subjectTwo-Higgs-doubletpt_PT
dc.titleNo strong CP violation up to the one-loop level in a two-Higgs-doublet modelpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage17pt_PT
oaire.citation.issue7pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleEuropean Physical Journal C: Particles and Fieldspt_PT
oaire.citation.volume79pt_PT
person.familyNameFerreira
person.givenNamePedro
person.identifier.ciencia-id2D19-C93D-023C
person.identifier.orcid0000-0002-9351-1074
person.identifier.ridA-2852-2009
person.identifier.scopus-author-id7202018301
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationc800f751-a67f-46d3-85af-10e44ba81896
relation.isAuthorOfPublication.latestForDiscoveryc800f751-a67f-46d3-85af-10e44ba81896

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