2017/11/29 by Salvador Centelles Chuliá, Chuliá, Salvador Centelles
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #High Energy Physics - Phenomenology (hep-ph) #hep-ex #hep-ph
paper · pdf · doi:10.48550/arxiv.1711.10719
6 pages, 6 figures, Proceeding for pontecorvo school 2017, typographical errors corrected
arxiv created 2017/12/04 · arxiv updated 2017/12/05
We propose to relate dark matter stability to the possible Dirac nature of neutrinos. The idea is illustrated in a simple scheme where small Dirac neutrino masses arise from a type-I seesaw mechanism as a result of a Z4 discrete lepton number symmetry. The latter implies the existence of a viable WIMP dark matter candidate, whose stability arises from the same symmetry which ensures the Diracness of neutrinos. The symmetry groups Δ27 and A4 are then used to extract a rich variety of flavour predictions.