text: 473,142,1368849730474754048,493582529,Michele Lucente 🇺🇦,"New paper out! <LINK> I show that an overlooked production mechanism within the minimal Type-I Seesaw model can account for the observed dark matter abundance in the form of a keV sterile neutrino. @TTK_RWTH @RWTH @AvHStiftung @UCLouvain_be  1/3 This population can be produced by the decay of the heavier neutral leptons, with masses above the Higgs mass scale, while they are in thermal equilibrium in the early Universe (freeze-in). 2/3 <LINK> Moreover, the implementation of the relevant phenomenological constraints (relic abundance, indirect detection and structure formation) on this model automatically selects a region of the parameter space featuring an approximate lepton number symmetry! 3/3 <LINK>",https://arxiv.org/abs/2103.03253,"We show that the minimal Type-I Seesaw mechanism can successfully account for the observed dark matter abundance in the form of a keV sterile neutrino. This population can be produced by the decay of the heavier neutral leptons, with masses above the Higgs mass scale, while they are in thermal equilibrium in the early Universe (freeze-in). Moreover, the implementation of the relevant phenomenological constraints (relic abundance, indirect detection and structure formation) on this model automatically selects a region of the parameter space featuring an approximate lepton number symmetry. ",Freeze-In Dark Matter within the Seesaw mechanism,3,"['New paper out! <LINK>\n\nI show that an overlooked production mechanism within the minimal Type-I Seesaw model can account for the observed dark matter abundance in the form of a keV sterile neutrino.\n\n@TTK_RWTH @RWTH @AvHStiftung @UCLouvain_be \n\n1/3', 'This population can be produced by the decay of the heavier neutral leptons, with masses above the Higgs mass scale, while they are in thermal equilibrium in the early Universe (freeze-in).\n\n2/3 https://t.co/gl1GQ41SoM', 'Moreover, the implementation of the relevant phenomenological constraints (relic abundance, indirect detection and structure formation) on this model automatically selects a region of the parameter space featuring an approximate lepton number symmetry!\n\n3/3 https://t.co/4g1UHJwbMx']",21,03,710