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P -even, C P-violating signals in scalar-mediated processes

2022-11Journal article Open access
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dc.contributor.authorHaber, Howard E.
dc.contributor.authorKeus, Venus
dc.contributor.authorSantos, Rui
dc.date.accessioned2023-02-10T15:18:10Z
dc.date.available2023-02-10T15:18:10Z
dc.date.issued2022-11
dc.description.abstractMost studies of Higgs sector CP violation focus on the detection of CP-violating neutral Higgs-fermion Yukawa couplings, which yield P-odd, CP-violating phenomena. There is some literature on purely bosonic signatures of Higgs sector CP violation, where the simultaneous observation of three processes (suitably chosen) constitutes a signal of P-even CP violation. However, in the examples previously analyzed, some of the processes are strongly suppressed in the approximate Higgs alignment limit (corresponding to the existence of a Standard Model-like Higgs boson as suggested by LHC data), in which case the proposed CP-violating signals are difficult to observe in practice. In this paper, we extend the existing literature by examining processes that do not vanish in the Higgs alignment limit and whose simultaneous observation would provide unambiguous evidence for scalar-mediated P-even CP violation. We assess the discovery potential of such signals at various future multi-TeV lepton (and γγ) colliders. The potential for detecting loop-induced P-even, CP-violating phenomena is also considered.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationH. E. Haber, V. Keus, R. Santos, P-even, CP-violating signals in scalar-mediated processes. Publicado: Phys.Rev.D 106 9 (2022) 095038, DOI: 10.1103pt_PT
dc.identifier.doi10.1103/PhysRevD.106.095038pt_PT
dc.identifier.issn2470-0010
dc.identifier.urihttp://hdl.handle.net/10400.21/15545
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherAmerican Physical Societypt_PT
dc.relationUMO- 2015/18/M/ST2/00518pt_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.relationParticle physics phenomenology at LHC
dc.relationStandard Model Extensions at the LHC
dc.relationNon Minimal Higgs
dc.relation.publisherversionhttps://journals.aps.org/prd/abstract/10.1103/PhysRevD.106.095038pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectBosonic interactionspt_PT
dc.subjectPhysical mass eigenstatespt_PT
dc.titleP -even, C P-violating signals in scalar-mediated processespt_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.awardTitleParticle physics phenomenology at LHC
oaire.awardTitleStandard Model Extensions at the LHC
oaire.awardTitleNon Minimal Higgs
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
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FFIS-PAR%2F31000%2F2017/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/CERN%2FFIS-PAR%2F0002%2F2017/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/CERN%2FFIS-PAR%2F0014%2F2019/PT
oaire.awardURIinfo:eu-repo/grantAgreement/EC/H2020/645722/EU
oaire.citation.endPage34pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titlePhysical Review Dpt_PT
oaire.citation.volume106pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream3599-PPCDT
oaire.fundingStream3599-PPCDT
oaire.fundingStream3599-PPCDT
oaire.fundingStreamH2020
person.familyNameSantos
person.givenNameRui
person.identifier100360
person.identifier.ciencia-id5A1A-5794-6DC2
person.identifier.orcid0000-0002-7948-0355
person.identifier.ridF-1956-2010
person.identifier.scopus-author-id10739338800
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
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project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameEuropean Commission
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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