Vacuum stability conditions of the economical 3−3−1 model from copositivity

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dc.creatorBruce Lehmann Sánchez Vega
dc.creatorGuillermo Gerardo Rivera Gambini
dc.creatorCarlos Enrique Alvarez Salazar
dc.date.accessioned2023-07-17T19:07:20Z
dc.date.accessioned2025-09-09T00:29:24Z
dc.date.available2023-07-17T19:07:20Z
dc.date.issued2019
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipFAPESP - Fundação de Amparo à Pesquisa do Estado de São Paulo
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.1140/epjc/s10052-019-6807-3
dc.identifier.issn1434-6052
dc.identifier.urihttps://hdl.handle.net/1843/56454
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofThe European Physical Journal C
dc.rightsAcesso Aberto
dc.subjectVácuo
dc.subject.otherVacuum
dc.titleVacuum stability conditions of the economical 3−3−1 model from copositivity
dc.typeArtigo de periódico
local.citation.epage13
local.citation.issue4
local.citation.spage1
local.citation.volume79
local.description.resumoBy applying copositivity criterion to the scalar potential of the economical 3−3−1 model, we derive necessary and sufficient bounded-from-below conditions at tree level. Although these are a large number of intricate inequalities for the dimensionless parameters of the scalar potential, we present general enlightening relations in this work. Additionally, we use constraints coming from the minimization of the scalar potential by means of the orbit space method, the positivity of the squared masses of the extra scalars, the Higgs boson mass, the Z′ gauge boson mass and its mixing angle with the SM Z boson in order to further restrict the parameter space of this model.
local.identifier.orcidhttps://orcid.org/0000-0002-6735-5813
local.identifier.orcidhttps://orcid.org/0000-0002-9381-7049
local.identifier.orcidhttps://orcid.org/0000-0003-3107-446X
local.publisher.countryBrasil
local.publisher.departmentICX - DEPARTAMENTO DE FÍSICA
local.publisher.initialsUFMG
local.url.externahttps://link.springer.com/article/10.1140/epjc/s10052-019-6807-3#citeas

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