Singlet fermion Dark Matter within Left-Right Model

Abstract

We discuss singlet fermion dark matter within a left-right symmetric model promoting baryon and lepton numbers as separate gauge symmetries. We add a simple Dirac fermionic dark matter singlet under $SU(2{)}_{L,R}$ with nonzero and equal baryon and lepton number which ensures electric charge neutrality. Such a dark matter candidate interacts with SM particles through the extra $Z_{B,\ell }$ gauge bosons. This can give rise to a dark matter particle of a few hundred GeV that couples to $\sim$ TeV scale gauge bosons to give the correct relic density. This model thus accommodates TeV scale $Z_{B,\ell }$ gauge bosons and other low scale BSM particles, which can be easily probed at LHC.

Discussions added for dark matter direct and indirect detection constraints. Accepted for publication in Phys. Lett. B

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• Neutrinoless Double Beta Decay in LRSM with Natural Type-II seesaw Dominance
• Scalar dark matter explanation of the DAMPE data in the minimal Left-Right symmetric model
• Lepton Flavor Violation Induced by Dark Matter
• A comparative study of $0\nu \beta \beta$ decay in symmetric and asymmetric left-right model
• Dark matter, lepton and baryon number, and left-right symmetric theories
• Neutrinoless double beta decay in minimal left-right symmetric model with universal seesaw
• $A_4$ realization of left-right symmetric linear seesaw
• Neutrino Mass and Neutrinoless double beta decay in SO(10) GUT with Pati-Salam symmetry