منابع مشابه
Leptogenesis and Lhc Physics with Type Iii See-saw
Abstract: The See-Saw mechanism provides a nice way to explain why neutrino masses are so much lighter than their charged lepton partners. It also provides a nice way to explain baryon asymmetry in our universe via the leptogenesis mechanism. In this talk we review leptogenesis and LHC physics in a See-Saw model proposed in 1989, now termed the Type III See-Saw model. In this model, SU(2)L trip...
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Abstract: The See-Saw mechanism provides a nice way to explain why neutrino masses are so much lighter than their charged lepton partners. It also provides a nice way to explain baryon asymmetry in our universe via the leptogenesis mechanism. In this talk we review leptogenesis and LHC physics in a See-Saw model proposed in 1989, now termed the Type III See-Saw model. In this model, SU(2)L trip...
متن کاملLeptogenesis in Unified Theories with Type II See-Saw
In some classes of flavour models based on unified theories with a type I see-saw mechanism, the prediction for the mass of the lightest right-handed neutrino is in conflict with the lower bound from the requirement of successful thermal leptogenesis. We investigate how lifting the absolute neutrino mass scale by adding a type II see-saw contribution proportional to the unit matrix can solve th...
متن کاملThe see-saw mechanism: neutrino mixing, leptogenesis and lepton flavor violation
Abstract. The see-saw mechanism to generate small neutrino masses is reviewed. After summarizing our current knowledge about the low energy neutrino mass matrix we consider reconstructing the see-saw mechanism. Low energy neutrino physics is not sufficient to reconstruct see-saw, a feature which we refer to as “see-saw degeneracy”. Indirect tests of see-saw are leptogenesis and lepton flavor vi...
متن کاملType II See–Saw Mechanism, Deviations from Bimaximal Neutrino Mixing and Leptogenesis
A possible interplay of both terms in the type II see–saw formula is illustrated by presenting a novel way to generate deviations from exact bimaximal neutrino mixing. In type II see–saw mechanism with dominance of the non–canonical SU(2)L triplet term, the conventional see–saw term can give a small contribution to the neutrino mass matrix. Nevertheless, if the triplet term corresponds to the b...
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ژورنال
عنوان ژورنال: Nuclear Physics B
سال: 2005
ISSN: 0550-3213
DOI: 10.1016/j.nuclphysb.2005.08.032