Mu-tau reflection symmetry with a high scale texture-zero

dc.creatorCelso Chikahiro Nishi
dc.creatorBruce Lehmann Sánchez Vega
dc.creatorGiovane de Souza Silva
dc.date.accessioned2023-07-18T12:22:13Z
dc.date.accessioned2025-09-08T23:59:21Z
dc.date.available2023-07-18T12:22:13Z
dc.date.issued2018
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.description.sponsorshipFAPESP - Fundação de Amparo à Pesquisa do Estado de São Paulo
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.1007/JHEP09(2018)042
dc.identifier.issn1029-8479
dc.identifier.urihttps://hdl.handle.net/1843/56555
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofJournal of High Energy Physics
dc.rightsAcesso Aberto
dc.subjectNeutrinos
dc.subject.otherDiscrete and finite symmetries
dc.subject.otherNeutrinos
dc.titleMu-tau reflection symmetry with a high scale texture-zero
dc.typeArtigo de periódico
local.citation.epage29
local.citation.issue9
local.citation.spage1
local.citation.volume2018
local.description.resumoThe μτ -reflection symmetric neutrino mass matrix can accommodate all known neutrino mixing angles, with maximal atmospheric angle fixed, and predicts all the unknown CP phases of the lepton sector but is unable to predict the absolute neutrino mass scale. Here we present a highly predictive scenario where μτ -reflection is combined with a discrete abelian symmetry to enforce a texture-zero in the mass matrix of the heavy right-handed neutrinos that generate the light neutrino masses. Such a restriction reduces the free parameters of the low energy theory to zero and the absolute neutrino mass scale is restricted to few discrete regions, three in the few meV range and one extending up to around 30 meV. The heavy neutrino sector is dependent only on two free parameters which are further restricted to small regions from the requirement of successful leptogenesis. Mass degenerate heavy neutrinos are possible in one case but there is no resonant enhancement of the CP asymmetry.
local.identifier.orcidhttps://orcid.org/0000-0002-8109-4509
local.identifier.orcidhttps://orcid.org/0000-0002-6735-5813
local.publisher.countryBrasil
local.publisher.departmentICX - DEPARTAMENTO DE FÍSICA
local.publisher.initialsUFMG
local.url.externahttps://link.springer.com/article/10.1007/JHEP09(2018)042

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