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Vacuum structure of the Z(2) symmetric Georgi-Machacek model

2021-03-23Journal article Open access
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dc.contributor.authorAzevedo, Duarte
dc.contributor.authorFerreira, Pedro Miguel
dc.contributor.authorLogan, Heather E.
dc.contributor.authorSantos, Rui
dc.date.accessioned2021-08-30T09:54:23Z
dc.date.available2021-08-30T09:54:23Z
dc.date.issued2021-03-23
dc.description.abstractWe discuss the vacuum structure of a version of the Georgi-Machecek model with an exact Z(2) symmetry acting on the triplet fields. Besides the usual custodial-symmetric model, with rho = 1 at tree-level, a model with a dark matter candidate is also viable. The other phases of the model lead to electric charge breaking, a wrong pattern of electroweak symmetry breaking or to rho not equal 1 at tree-level. We derive conditions to have an absolute minimum in each of the two viable phases, the custodial and the dark matter phases.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAZEVEDO, Duarte; [et al] – Vacuum structure of the Z(2) symmetric Georgi-Machacek model. Journal of High Energy Physics. ISSN 1029-8479. Vol. 2021, N.º 3 (2021), pp. 1-24pt_PT
dc.identifier.doi10.1007/JHEP03(2021)221pt_PT
dc.identifier.issn1029-8479
dc.identifier.urihttp://hdl.handle.net/10400.21/13662
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.relationCERN/FISPAR/0002/2017 - FCTpt_PT
dc.relationCenter for Theoretical and Computational Physics
dc.relationCenter for Theoretical and Computational Physics
dc.relationFrom Higgs Phenomenology to the Unification of Fundamental Interactions
dc.relationStandard Model Extensions at the LHC
dc.relation.publisherversionhttps://link.springer.com/content/pdf/10.1007/JHEP03(2021)221.pdfpt_PT
dc.subjectBeyond Standard Modelpt_PT
dc.subjectHiggs Physicspt_PT
dc.titleVacuum structure of the Z(2) symmetric Georgi-Machacek modelpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCenter for Theoretical and Computational Physics
oaire.awardTitleCenter for Theoretical and Computational Physics
oaire.awardTitleFrom Higgs Phenomenology to the Unification of Fundamental Interactions
oaire.awardTitleStandard Model Extensions at the LHC
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00618%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F00618%2F2020/PT
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oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/CERN%2FFIS-PAR%2F0014%2F2019/PT
oaire.citation.endPage24pt_PT
oaire.citation.issue3pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleJournal of High Energy Physicspt_PT
oaire.citation.volume2021
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oaire.fundingStream3599-PPCDT
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person.familyNameAzevedo
person.familyNameFerreira
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