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One-loop corrections to the Higgs boson invisible decay in the dark doublet phase of the N2HDM

2021-10-06Journal article Restricted access
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dc.contributor.authorAzevedo, Duarte
dc.contributor.authorGabriel, Pedro
dc.contributor.authorMuehlleitner, Milada Margarete
dc.contributor.authorSakurai, Kodai
dc.contributor.authorSantos, Rui
dc.date.accessioned2021-10-28T10:13:54Z
dc.date.available2021-10-28T10:13:54Z
dc.date.issued2021-10-06
dc.description.abstractThe Higgs invisible decay width may soon become a powerful tool to probe extensions of the Standard Model with dark matter candidates at the Large Hadron Collider. In this work, we calculate the next-to-leading order (NLO) electroweak corrections to the 125 GeV Higgs decay width into two dark matter particles. The model is the next-to-minimal 2-Higgs-doublet model (N2HDM) in the dark doublet phase, that is, only one doublet and the singlet acquire vacuum expectation values. We show that the present measurement of the Higgs invisible branching ratio, BR(H -> invisible < 0.11), does not lead to constraints on the parameter space of the model at leading order. This is due to the very precise measurements of the Higgs couplings but could change in the near future. Furthermore, if NLO corrections are required not to be unphysically large, no limits on the parameter space can be extracted from the NLO results.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAZEVEDO, Duarte; [et al] – One-loop corrections to the Higgs boson invisible decay in the dark doublet phase of the N2HDM. Journal of High Energy Physics. ISSN 1029-8479. Vol. 2021, N.º 10 (2021), pp. 1-34pt_PT
dc.identifier.doi10.1007/JHEP10(2021)044pt_PT
dc.identifier.issn1029-8479
dc.identifier.urihttp://hdl.handle.net/10400.21/13938
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.relationUIDB/00618/2020 - FCT / European Commissionpt_PT
dc.relationUIDP/00618/2020 - FCT / European Commissionpt_PT
dc.relationPTDC/FIS-PAR/31000/2017 - FCT / European Commissionpt_PT
dc.relationCERN/FISPAR/0002/2017 - FCT / European Commissionpt_PT
dc.relationCERN/FIS-PAR/0014/2019 - FCT / European Commissionpt_PT
dc.relationUMO-2015/18/M/ST2/0518 - HARMONIA project, National Science Center -Polandpt_PT
dc.relation05H18VKCC1 - Federal Ministry of Education & Research (BMBF)pt_PT
dc.relation05H2018 - Federal Ministry of Education & Research (BMBF)pt_PT
dc.relation.publisherversionhttps://link.springer.com/content/pdf/10.1007/JHEP10(2021)044.pdfpt_PT
dc.subjectHiggs physicspt_PT
dc.subjectBeyond standard modelpt_PT
dc.titleOne-loop corrections to the Higgs boson invisible decay in the dark doublet phase of the N2HDMpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage34pt_PT
oaire.citation.issue10pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleJournal of High Energy Physicspt_PT
oaire.citation.volume2021
person.familyNameAzevedo
person.familyNameMuhlleitner
person.familyNameSakurai
person.familyNameSantos
person.givenNameDuarte
person.givenNameMilada Margarete
person.givenNameKodai
person.givenNameRui
person.identifier100360
person.identifier.ciencia-idEE1E-B7A4-FD9A
person.identifier.ciencia-id131D-3C62-1A57
person.identifier.ciencia-id5A1A-5794-6DC2
person.identifier.orcid0000-0002-2647-1893
person.identifier.orcid0000-0003-3922-0281
person.identifier.orcid0000-0002-7611-240X
person.identifier.orcid0000-0002-7948-0355
person.identifier.ridF-1956-2010
person.identifier.scopus-author-id10739338800
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublication.latestForDiscoveryec84cf06-25e8-4e16-8f74-7c5be642087c

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