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- Isabella Masina
- 2008

We point out an elegant mechanism to predict a maximal atmospheric angle, which is based on a maximal CP violating phase difference between second and third lepton families in the flavour symmetry… (More)

We construct and discuss a “realistic” example of SUSY SU(5) GUT model, with an additional U(1) flavour symmetry, that is not plagued by the need for large fine tunings, like those associated with… (More)

- R. N. Mohapatra, Stefan Antusch, +29 authors Lincoln Wolfenstein
- 2004

After a brief overview of the present knowledge of neutrino masses and mixing, we summarize what can be learned about physics beyond the standard model from the various proposed neutrino experiments.… (More)

- Stéphane Lavignac, Isabella Masina, Carlos A. Savoy
- 2002

In addition to the well established large atmospheric angle, a large solar angle is probably present in the leptonic sector. In the context of the see-saw and by means of a bottom-up approach, we… (More)

It has been recently shown that the quantum Boltzmann equations may be relevant for the leptogenesis scenario. In particular, they lead to a time-dependent CP asymmetry which depends upon the… (More)

- Carla Biggio, Ferruccio Feruglio, Isabella Masina, Manuel Pérez-Victoria
- 2008

We discuss a toy model in six dimensions that predicts two fermion generations, natural mass hierarchy and intergenerational mixing. Matter is described by vector-like six dimensional fermions, one… (More)

The constraints on the flavour and CP structure of scalar lepton mass matrices are systematically collected. The display of the resulting upper bounds on the lepton-slepton misalignment parameters is… (More)

- Jens R. Andersen, O. Antipin, +10 authors Filomena Sannino
- 2011

We provide a pedagogical introduction to extensions of the Standard Model in which the Higgs is composite. These extensions are known as models of dynamical electroweak symmetry breaking or, in… (More)

- Isabella Masina
- 2004

In supersymmetric theories the radiative corrections due to heavy states could leave their footprints in the flavour structure of the supersymmetry breaking masses. We investigate whether present and… (More)

We present a quantitative study of the ability of models with different levels of hierarchy to reproduce the solar neutrino solutions, in particular the LA solution. As a flexible testing ground we… (More)