Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-04-13
Phys.Rev.D84:017303,2011
Physics
High Energy Physics
High Energy Physics - Phenomenology
6 pages, 2 figures
Scientific paper
10.1103/PhysRevD.84.017303
We consider a neutrino mass model where all leptonic mixing is induced by a heavy Majorana sector through the seesaw type I mechanism, while the Dirac mass matrices are diagonal. Such a pattern occurs naturally in grand unified theories. Constraints on the parameters of the models are considered and it is shown that a normal neutrino mass hierarchy is preferred. The lightest neutrino mass is typically small, leading to nonobservable rates for neutrinoless double beta decay in the normal hierarchy case.
Leser Philipp
Päs Heinrich
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