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Tree level Majorana neutrino mass from Type-1 × Type-2 Seesaw mechanism with Dark Matter
Wong, Chi Fong; Chen, Yang
2022-10-10
Source PublicationPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
ISSN0370-2693
Volume833Pages:137354
Abstract

We propose a type of hybrid Seesaw model that combines Type-1 and Type-2 Seesaw mechanism in multiplicative way to generate tree level Majorana neutrino mass and provides a Dark Matter candidate. The model extends the Standard Model by extra gauge symmetry U(1) and hidden sector consisted of chiral fermions and additional scalar fields. After spontaneous symmetry breaking, light neutrino masses are generated not only by exchange of the new heavy fermions as Type-1 Seesaw, but also by coupling to the naturally small induced vacuum expectation value of new heavy scalar as Type-2 Seesaw. An unbroken residue of U(1) protects the lightest Dirac fermion required by anomaly cancellation in hidden sector from decaying, therefore giving rise to a Dark Matter candidate. Due to strong enough Seesaw suppression from our hybridization, new physics scale can be as low as TeV in this model and discovering signal from LHC data is possible in near future.

KeywordAnomaly Cancellation Dark Matter Neutrino Mass Seesaw Mechanism
DOI10.1016/j.physletb.2022.137354
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields
WOS IDWOS:000865640700027
Scopus ID2-s2.0-85136123625
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Document TypeJournal article
CollectionFaculty of Science and Technology
DEPARTMENT OF MATHEMATICS
Corresponding AuthorWong, Chi Fong
AffiliationDepartment of Mathematics, Faculty of Science and Technology, University of Macau, Macau SAR, China
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Wong, Chi Fong,Chen, Yang. Tree level Majorana neutrino mass from Type-1 × Type-2 Seesaw mechanism with Dark Matter[J]. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 2022, 833, 137354.
APA Wong, Chi Fong., & Chen, Yang (2022). Tree level Majorana neutrino mass from Type-1 × Type-2 Seesaw mechanism with Dark Matter. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 833, 137354.
MLA Wong, Chi Fong,et al."Tree level Majorana neutrino mass from Type-1 × Type-2 Seesaw mechanism with Dark Matter".Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 833(2022):137354.
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