Leptogenesis and Dark Matter related ?
Nicolas Cosme, Laura Lopez Honorez, Michel H. G. Tytgat
Abstract
We investigate the possibility that dark matter and the baryon asymmetry of the Universe are generated by the same mechanism, following an idea initially proposed by V.A. Kuzmin and recently discussed by R. Kitano and I. Low. In our model, based on a left-right extension of the Standard Model, the baryon asymmetry is generated through leptogenesis and dark matter is made of relic stable right-handed neutrinos with mass ~ few GeV. Constraints on the model imply that this form of dark matter would unfortunately escape detection.
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