Dark-Matter Fermion from Left-Right Symmetry

Abstract

In an unconventional realization of left-right symmetry, the particle corresponding to the left-handed neutrino nu_L (with SU(2)_L interactions) in the right-handed sector, call it n_R (with SU(2)_R interactions), is not its Dirac mass partner, but a different particle which may be a dark-matter candidate. In parallel to leptogenesis in the SU(2)_L sector, asymmetric production of n_R may occur in the SU(2)_R sector. This mechanism is especially suited for n_R mass of order 1 to 10 keV, i.e. warm dark matter, which is a possible new paradigm for explaining the structure of the Universe at all scales.

9 pages, no figure, title changed in published version

References in corpus (3)

• Theory and phenomenology of two-Higgs-doublet models
• Neutrino Mass: Mechanisms and Models
• Warm dark matter in the galaxies:theoretical and observational progresses. Highlights and conclusions of the chalonge meudon workshop 2011

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• Interplay of Scalar and Fermionic Components in a Multi-component Dark Matter Scenario
• Phenomenological Aspects of TeV Scale Alternative Left-Right Model
• Supersymmetric Left-Right Model of Radiative Neutrino Mass with Multipartite Dark Matter
• Exploring $0\nu \beta \beta$ and Leptogenesis in the Alternative Left-Right Model
• Radiative Scaling Neutrino Mass with $A_4$ Symmetry
• Vacuum Structure of Alternative Left-Right Model
• Confronting dark fermion with a doubly charged Higgs in the left-right symmetric model
• Dark Matter in the Alternative Left Right Model
• $HZ$ associated production with decay in the Alternative Left-Right Model at CEPC and future linear colliders