Ferreira, Pedro MiguelGrimus, W.Jurciukonis, D.Lavoura, L.2016-08-042016-08-042016-07-04FERREIRA, Pedro Miguel Martins; [et al.] - Scotogenic model for co-bimaximal mixing. Journal of High Energy Physics. ISSN 1029-8479. N.º 7 (2016), pp. 1-221029-8479http://hdl.handle.net/10400.21/6341We present a scotogenic model, i.e. a one-loop neutrino mass model with dark right-handed neutrino gauge singlets and one inert dark scalar gauge doublet eta, which has symmetries that lead to co-bimaximal mixing, i.e. to an atmospheric mixing angle theta(23) = 45 degrees and to a CP-violating phase delta = +/-pi/2, while the mixing angle theta(13) remains arbitrary. The symmetries consist of softly broken lepton numbers L-alpha (alpha = e, mu, tau), a non-standard CP symmetry, and three L-2 symmetries. We indicate two possibilities for extending the model to the quark sector. Since the model has, besides eta, three scalar gauge doublets, we perform a thorough discussion of its scalar sector. We demonstrate that it can accommodate a Standard Model-like scalar with mass 125 GeV, with all the other charged and neutral scalars having much higher masses.engDiscrete symmetriesNeutrino physicsjournal article10.1007/JHEP07(2016)010