期刊
NEW JOURNAL OF PHYSICS
卷 16, 期 -, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1367-2630/16/12/125012
关键词
neutrinos; dark matter; flavour; majoron; sterile neutrinos
资金
- Spanish MINECO [FPA2011-22975, CSD2009-00064]
- EU ITN UNILHC [PITN-GA-2009-237920]
- Juan de la Cierva contract (MINECO)
- European Research Council (ERC) under the EU Seventh Framework Programme (FP7)/ERC [278234]
- Ministero dell'Istruzione, dell'Universita e della Ricerca (MIUR) through the PRIN grant 'Galactic and extragalactic polarized microwave emission' [PRIN 2009XZ54H2-002]
- grant Giovani ricercatori of the University of Ferrara
The origin of neutrino masses and the nature of dark matter are two in most pressing open questions in modern astro-particle physics. We consider here the possibility that these two problems are related, and review some theoretical scenarios which offer common solutions. A simple possibility is that the dark matter particle emerges in minimal realizations of the seesaw mechanism, as in the majoron and sterile neutrino scenarios. We present the theoretical motivation for both models and discuss their phenomenology, confronting the predictions of these scenarios with cosmological and astrophysical observations. Finally, we discuss the possibility that the stability of dark matter originates from a flavor symmetry of the leptonic sector. We review a proposal based on an A(4) flavor symmetry.
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