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Models with extended Higgs sectors at future e(+)e(-) colliders

2019-03-12Journal article Restricted access
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dc.contributor.authorAzevedo, Duarte
dc.contributor.authorFerreira, Pedro Miguel
dc.contributor.authorMuehlleitner, Milada Margarete
dc.contributor.authorSantos, Rui
dc.contributor.authorWittbrodt, Jonas
dc.date.accessioned2019-05-06T09:42:27Z
dc.date.available2019-05-06T09:42:27Z
dc.date.issued2019-03-12
dc.description.abstractWe discuss the phenomenology of several beyond the Standard Model (SM) extensions that include extended Higgs sectors. The models discussed are the SM extended by a complex singlet field, the 2-Higgs-doublet model with a CP-conserving and a CP-violating scalar sector, the singlet extension of the 2-Higgs-doublet model, and the next-to-minimal supersymmetric SM extension. All the above models have at least three neutral scalars, with one being the 125 GeV Higgs boson. This common feature allows us to compare the production and decay rates of the other two scalars and therefore to compare their behavior at future electron-positron colliders. Using predictions on the expected precision of the 125 GeV Higgs boson couplings at these colliders we are able to obtain the allowed admixtures of either a singlet or a pseudoscalar to the observed 125 GeV scalar. Therefore, even if no new scalar is found, the expected precision at future electron-positron colliders, such as CLIC, will certainly contribute to a clearer picture of the nature of the discovered Riggs boson.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAZEVEDO, Duarte; [et al] – Models with extended Higgs sectors at future e(+)e(-) colliders. Physical Review D. ISSN 1550-7998. Vol. 99, N.º 5 (2019), pp. 055013-1- 055013-18pt_PT
dc.identifier.doi10.1103/PhysRevD.99.055013pt_PT
dc.identifier.issn1550-7998
dc.identifier.urihttp://hdl.handle.net/10400.21/9936
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherAmerican Physical Societypt_PT
dc.relationUMO-2015/18/M/ST2/00518 - National Science Centre, Poland, the HARMONIA projectpt_PT
dc.relationCERN/FIS-PAR/0002/2017 - FCTpt_PT
dc.relationUID/FIS/00618/2019 - FCTpt_PT
dc.relation.publisherversionhttps://journals.aps.org/prd/pdf/10.1103/PhysRevD.99.055013pt_PT
dc.subjectStandard Model (SM)pt_PT
dc.subjectNeutral scalarspt_PT
dc.subjectElectron-positron colliderspt_PT
dc.subjectPseudoscalarpt_PT
dc.titleModels with extended Higgs sectors at future e(+)e(-) colliderspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage055013-18pt_PT
oaire.citation.issue5pt_PT
oaire.citation.startPage055013-1pt_PT
oaire.citation.titlePhysical Review Dpt_PT
oaire.citation.volume99pt_PT
person.familyNameAzevedo
person.familyNameFerreira
person.familyNameMuhlleitner
person.familyNameSantos
person.familyNameWittbrodt
person.givenNameDuarte
person.givenNamePedro
person.givenNameMilada Margarete
person.givenNameRui
person.givenNameJonas
person.identifier100360
person.identifier.ciencia-idEE1E-B7A4-FD9A
person.identifier.ciencia-id2D19-C93D-023C
person.identifier.ciencia-id131D-3C62-1A57
person.identifier.ciencia-id5A1A-5794-6DC2
person.identifier.ciencia-id141D-934B-A074
person.identifier.orcid0000-0002-2647-1893
person.identifier.orcid0000-0002-9351-1074
person.identifier.orcid0000-0003-3922-0281
person.identifier.orcid0000-0002-7948-0355
person.identifier.orcid0000-0002-2715-8671
person.identifier.ridA-2852-2009
person.identifier.ridF-1956-2010
person.identifier.scopus-author-id7202018301
person.identifier.scopus-author-id10739338800
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
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