2015/05/14 by B. L. Sánchez-Vega, B. L. Sánchez‐Vega, E. Schmitz +1 · 2 citations
Physics and Astronomy · #Dark Matter and Cosmic Phenomena #Dark matter #Neutrino #Neutrino Physics Research #Particle physics #Particle physics theoretical and experimental studies #Physics #Physics beyond the Standard Model #Seesaw mechanism #Seesaw molecular geometry #Standard Model (mathematical formulation) #hep-ph
paper · pdf · doi:10.1103/physrevd.92.053007
published as Phys. Rev. D 92, 053007 (2015) · 29 pages, 5 figures
arxiv created 2015/05/14 · openalex publication_date 2015/09/15 · arxiv updated 2015/09/23 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
In this work we present a common framework for neutrino masses and dark matter. Specifically, we work with a local B\ensuremath-L extension of the standard model which has three right-handed neutrinos, n_Ri, and some extra scalars, \mathrm\ensuremathΦ,\ensuremathφi, besides the standard model fields. The n_Ri's have nonstandard B\ensuremath-L quantum numbers and thus these couple to different scalars. This model has the attractive property that an almost automatic ℤ2 symmetry acting only on a fermionic field, nR3, is present. Taking advantage of this ℤ2 symmetry, we study both the neutrino mass generation via a natural seesaw mechanism at low energy and the possibility of nR3 being a dark matter candidate. For this last purpose, we study its relic abundance and its compatibility with the current direct detection experiments.