Higgs Sector of the Minimal Left-Right Symmetric Model

We perform an exhaustive analysis of the most general Higgs sector of the minimal left-right symmetric model (MLRM). We find that the CP properties of the vacuum state are connected to the Higgs spectrum: if CP is broken spontaneously, the MLRM does not approach the Standard Model in the limit of a...

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Detalles Bibliográficos
Autores principales: Barenboim, Gabriela, Gorbahn, Martin, Nierste, Ulrich, Raidal, Martti
Lenguaje:eng
Publicado: 2001
Materias:
Particle Physics - Phenomenology
Acceso en línea:https://dx.doi.org/10.1103/PhysRevD.65.095003
http://cds.cern.ch/record/517936
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author Barenboim, Gabriela
Gorbahn, Martin
Nierste, Ulrich
Raidal, Martti
author_facet Barenboim, Gabriela
Gorbahn, Martin
Nierste, Ulrich
Raidal, Martti
author_sort Barenboim, Gabriela
collection CERN
description We perform an exhaustive analysis of the most general Higgs sector of the minimal left-right symmetric model (MLRM). We find that the CP properties of the vacuum state are connected to the Higgs spectrum: if CP is broken spontaneously, the MLRM does not approach the Standard Model in the limit of a decoupling left-right symmetry breaking scale. Depending on the size of the CP phases scenarios with extra non-decoupling flavor-violating doublet Higgses or very light SU(2) triplet Higgses emerge, both of which are ruled out by phenomenology. For zero CP phases the non-standard Higgses decouple only if a very unnatural fine-tuning condition is fulfilled.
id cern-517936
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2001
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spelling cern-5179362023-03-14T20:12:03Zdoi:10.1103/PhysRevD.65.095003http://cds.cern.ch/record/517936engBarenboim, GabrielaGorbahn, MartinNierste, UlrichRaidal, MarttiHiggs Sector of the Minimal Left-Right Symmetric ModelParticle Physics - PhenomenologyWe perform an exhaustive analysis of the most general Higgs sector of the minimal left-right symmetric model (MLRM). We find that the CP properties of the vacuum state are connected to the Higgs spectrum: if CP is broken spontaneously, the MLRM does not approach the Standard Model in the limit of a decoupling left-right symmetry breaking scale. Depending on the size of the CP phases scenarios with extra non-decoupling flavor-violating doublet Higgses or very light SU(2) triplet Higgses emerge, both of which are ruled out by phenomenology. For zero CP phases the non-standard Higgses decouple only if a very unnatural fine-tuning condition is fulfilled.We perform an exhaustive analysis of the most general Higgs sector of the minimal left-right symmetric model (MLRM). We find that the CP properties of the vacuum state are connected to the Higgs spectrum: if CP is broken spontaneously, the MLRM does not approach the Standard Model in the limit of a decoupling left-right symmetry breaking scale. Depending on the size of the CP phases scenarios with extra non-decoupling flavor-violating doublet Higgses or very light SU(2) triplet Higgses emerge, both of which are ruled out by phenomenology. For zero CP phases the non-standard Higgses decouple only if a very unnatural fine-tuning condition is fulfilled. We also discuss generalizations to a non-minimal Higgs sector.hep-ph/0107121FERMILAB-PUB-01-213-TTUM-HEP-384-01CERN-TH-2001-181CERN-TH-2001-181FERMILAB-PUB-2001-213-TTUM-HEP-384oai:cds.cern.ch:5179362001-07-10
spellingShingle Particle Physics - Phenomenology
Barenboim, Gabriela
Gorbahn, Martin
Nierste, Ulrich
Raidal, Martti
Higgs Sector of the Minimal Left-Right Symmetric Model
title Higgs Sector of the Minimal Left-Right Symmetric Model
title_full Higgs Sector of the Minimal Left-Right Symmetric Model
title_fullStr Higgs Sector of the Minimal Left-Right Symmetric Model
title_full_unstemmed Higgs Sector of the Minimal Left-Right Symmetric Model
title_short Higgs Sector of the Minimal Left-Right Symmetric Model
title_sort higgs sector of the minimal left-right symmetric model
topic Particle Physics - Phenomenology
url https://dx.doi.org/10.1103/PhysRevD.65.095003
http://cds.cern.ch/record/517936
work_keys_str_mv AT barenboimgabriela higgssectoroftheminimalleftrightsymmetricmodel
AT gorbahnmartin higgssectoroftheminimalleftrightsymmetricmodel
AT niersteulrich higgssectoroftheminimalleftrightsymmetricmodel
AT raidalmartti higgssectoroftheminimalleftrightsymmetricmodel

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