Neutrino properties from Yukawa structure

Details Neutrino properties from Yukawa structure Neutrino properties from Yukawa structure

2003-07-03

arxiv.org/abs/hep-ph/0307051v3

Phys.Lett. B575 (2003) 279-289

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 7 figures. References added and typos corrected. Mistake in the discussion of leptogenesis corrected

Scientific paper

We discuss the implications for lepton mixing and CP violation of structure in the lepton mass matrices, for the case that neutrino masses are generated by the see-saw mechanism with an hierarchical structure for the Majorana masses. For a particularly interesting case with enhanced symmetry in which the lepton Dirac mass matrices are related to those in the quark sector, the CHOOZ angle is near the present limit and the CP violating phase relevant to thermal leptogenesis and to $\nu 0 \beta \beta $ decay is near maximal.

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