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Gravitational waves from a scotogenic two-loop neutrino mass model

We propose a framework to account for neutrino masses at the two-loop level. This mechanism introduces new scalars and Majorana fermions to the Standard Model. It is assumed the existence of a global $\mathrm{U(1)\times \mathcal{Z}_2}$ symmetry which after partial breaking provides the stability of...

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Autores principales: Bonilla, Cesar, Carcamo Hernandez, A.E., Goncalves, Joao, K. N., Vishnudath, Morais, Antonio P., Pasechnik, Roman
Lenguaje:eng
Publicado: 2023
Materias:
Acceso en línea:http://cds.cern.ch/record/2857843
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author Bonilla, Cesar
Carcamo Hernandez, A.E.
Goncalves, Joao
K. N., Vishnudath
Morais, Antonio P.
Pasechnik, Roman
author_facet Bonilla, Cesar
Carcamo Hernandez, A.E.
Goncalves, Joao
K. N., Vishnudath
Morais, Antonio P.
Pasechnik, Roman
author_sort Bonilla, Cesar
collection CERN
description We propose a framework to account for neutrino masses at the two-loop level. This mechanism introduces new scalars and Majorana fermions to the Standard Model. It is assumed the existence of a global $\mathrm{U(1)\times \mathcal{Z}_2}$ symmetry which after partial breaking provides the stability of the dark matter candidates of the theory. The rich structure of the potential allows for the possibility of first-order phase transitions (FOPTs) in the early Universe which can lead to the generation of primordial gravitational waves as one of the potentially observable signatures of this model. Taking into account relevant constraints from lepton flavour violation, neutrino physics as well as the trilinear Higgs couplings at next-to-leading order accuracy, we have found a wide range of possible FOPTs which are strong enough to be probed at the proposed gravitational-wave interferometer experiments such as LISA.
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institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2023
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spelling cern-28578432023-10-18T02:41:39Zhttp://cds.cern.ch/record/2857843engBonilla, CesarCarcamo Hernandez, A.E.Goncalves, JoaoK. N., VishnudathMorais, Antonio P.Pasechnik, RomanGravitational waves from a scotogenic two-loop neutrino mass modelhep-phParticle Physics - PhenomenologyWe propose a framework to account for neutrino masses at the two-loop level. This mechanism introduces new scalars and Majorana fermions to the Standard Model. It is assumed the existence of a global $\mathrm{U(1)\times \mathcal{Z}_2}$ symmetry which after partial breaking provides the stability of the dark matter candidates of the theory. The rich structure of the potential allows for the possibility of first-order phase transitions (FOPTs) in the early Universe which can lead to the generation of primordial gravitational waves as one of the potentially observable signatures of this model. Taking into account relevant constraints from lepton flavour violation, neutrino physics as well as the trilinear Higgs couplings at next-to-leading order accuracy, we have found a wide range of possible FOPTs which are strong enough to be probed at the proposed gravitational-wave interferometer experiments such as LISA.arXiv:2305.01964CERN-TH-2023-071oai:cds.cern.ch:28578432023-05-03
spellingShingle hep-ph
Particle Physics - Phenomenology
Bonilla, Cesar
Carcamo Hernandez, A.E.
Goncalves, Joao
K. N., Vishnudath
Morais, Antonio P.
Pasechnik, Roman
Gravitational waves from a scotogenic two-loop neutrino mass model
title Gravitational waves from a scotogenic two-loop neutrino mass model
title_full Gravitational waves from a scotogenic two-loop neutrino mass model
title_fullStr Gravitational waves from a scotogenic two-loop neutrino mass model
title_full_unstemmed Gravitational waves from a scotogenic two-loop neutrino mass model
title_short Gravitational waves from a scotogenic two-loop neutrino mass model
title_sort gravitational waves from a scotogenic two-loop neutrino mass model
topic hep-ph
Particle Physics - Phenomenology
url http://cds.cern.ch/record/2857843
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