2011•arXiv (Cornell University)Open access
Dark Matter and Leptogenesis in the Inverse Seesaw
François-Xavier Josse-Michaux, Emiliano Molinaro
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Abstract
We study a seesaw-type extension of the Standard Model in which the symmetry group is enlarged by a global U(1). We introduce adequate scalar and fermion representations which naturally explain the smallness of neutrino masses. With the addition of a viable scalar Dark Matter candidate, an original and successful scenario of leptogenesis emerges.
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