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The C2HDM revisited

2018-02Journal article Open access
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dc.contributor.authorFontes, Duarte
dc.contributor.authorMuehlleitner, Milada Margarete
dc.contributor.authorRomão, Jorge
dc.contributor.authorSantos, Rui
dc.contributor.authorSilva, Joao
dc.contributor.authorWittbrodt, Jonas
dc.date.accessioned2018-03-08T11:31:04Z
dc.date.available2018-03-08T11:31:04Z
dc.date.issued2018-02
dc.description.abstractThe complex two-Higgs doublet model is one of the simplest ways to extend the scalar sector of the Standard Model to include a new source of CP-violation. The model has been used as a benchmark model to search for CP-violation at the LHC and as a possible explanation for the matter-antimatter asymmetry of the Universe. In this work, we re-analyse in full detail the softly broken ℤ2 symmetric complex two-Higgs doublet model (C2HDM). We provide the code C2HDM_HDECAY implementing the C2HDM in the well-known HDECAY program which calculates the decay widths including the state-of-the-art higher order QCD corrections and the relevant off-shell decays. Using C2HDM_HDECAY together with the most relevant theoretical and experimental constraints, including electric dipole moments (EDMs), we review the parameter space of the model and discuss its phenomenology. In particular, we find cases where large CP-odd couplings to fermions are still allowed and provide benchmark points for these scenarios. We examine the prospects of discovering CP-violation at the LHC and show how theoretically motivated measures of CP-violation correlate with observables.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFONTES, Duarte; [et al] – The C2HDM revisited. Journal of High Energy Physics. ISSN 1029-8479. N.º 2 (2018), pp. 0-39pt_PT
dc.identifier.doi10.1007/JHEP02(2018)073pt_PT
dc.identifier.issn1029-8479
dc.identifier.urihttp://hdl.handle.net/10400.21/8211
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringer Publishing Companypt_PT
dc.relationFCT - CERN/FIS-NUC/0010/2015pt_PT
dc.relation.publisherversionhttps://link.springer.com/content/pdf/10.1007%2FJHEP02%282018%29073.pdfpt_PT
dc.subjectBeyond standard modelpt_PT
dc.subjectCP violationpt_PT
dc.subjectHiggs physicspt_PT
dc.titleThe C2HDM revisitedpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FFIS%2F00777%2F2013/PT
oaire.citation.endPage39pt_PT
oaire.citation.issue2pt_PT
oaire.citation.startPage0pt_PT
oaire.citation.titleJournal of High Energy Physicspt_PT
oaire.fundingStream5876
person.familyNameFontes
person.familyNameMuhlleitner
person.familyNameSantos
person.familyNameSilva
person.familyNameWittbrodt
person.givenNameDuarte
person.givenNameMilada Margarete
person.givenNameRui
person.givenNameJoao
person.givenNameJonas
person.identifier100360
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person.identifier.ciencia-idB719-EDEE-A47F
person.identifier.ciencia-id141D-934B-A074
person.identifier.orcid0000-0002-9358-6500
person.identifier.orcid0000-0003-3922-0281
person.identifier.orcid0000-0002-9683-4055
person.identifier.orcid0000-0002-7948-0355
person.identifier.orcid0000-0002-6455-9618
person.identifier.orcid0000-0002-2715-8671
person.identifier.ridF-1956-2010
person.identifier.ridA-2896-2009
person.identifier.scopus-author-id56297455800
person.identifier.scopus-author-id10739338800
person.identifier.scopus-author-id8218175900
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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