Fermionic dark matter and neutrino masses in a B − L model

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摘要: In this work we present a common framework for neutrino masses and dark matter. Specifically, with local $\mathcal{B}\ensuremath{-}\mathcal{L}$ extension of the standard model which has three right-handed neutrinos, ${n}_{{R}_{i}}$, some extra scalars, $\mathrm{\ensuremath{\Phi}},{\ensuremath{\phi}}_{i}$, besides fields. The ${n}_{{R}_{i}}$'s have nonstandard quantum numbers thus these couple to different scalars. This attractive property that an almost automatic ${\mathbb{Z}}_{2}$ symmetry acting only on fermionic field, ${n}_{R3}$, is present. Taking advantage symmetry, study both mass generation via natural seesaw mechanism at low energy possibility ${n}_{R3}$ being matter candidate. For last purpose, its relic abundance compatibility current direct detection experiments.

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Fermionic dark matter and neutrino masses in a B − L model

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Fermionic dark matter and neutrino masses in a B − L model

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