Leptogenesis: beyond the minimal type i seesaw scenario
Author
Hambye, ThomasEntity
UAM. Departamento de Física TeóricaPublisher
Institute of Physics Publishing (IOP)Date
2012-12-18Citation
10.1088/1367-2630/14/12/125014
New Journal of Physics 14 (2012): 125014
ISSN
1367-2630 (print)DOI
10.1088/1367-2630/14/12/125014Funded by
This work is supported by the FNRS-FRS, the IISN and the Belgian Science Policy (IAP VI-11). Many thanks also to the Departamento de Física Teórica (UAM-Madrid) and the IFT-Madrid for hospitality, and to the Comunidad de Madrid (Proyecto HEPHACOS S2009/ESP-1473)Project
Comunidad de Madrid. S2009/ESP-1473/HEPHACOSEditor's Version
http://dx.doi.org/10.1088/1367-2630/14/12/125014Subjects
FísicaRights
© IOP Publishing and Deutsche Physikalische GesellschaftAbstract
Recent evidence for neutrino masses has established the leptogenesis mechanism as a very natural possible explanation for the baryon asymmetry of the Universe. The explicit realization of this mechanism depends on the neutrino mass model considered. If the right-handed type-I seesaw model of neutrino masses is certainly the most straightforward, it is not the only natural one, especially in the framework of explicit GUT realizations of the seesaw. In this paper, we review in detail the various seesaw scenarios that can implement the leptogenesis mechanism successfully, beyond the paradigm of the pure standard type-I seesaw model. This includes scenarios based on the existence of scalar triplets (type-II), of fermion triplets (type-III) as well as mixed seesaw frameworks
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