Symmetry realization of texture zeros

Details Symmetry realization of texture zeros Symmetry realization of texture zeros

2004-05-03

arxiv.org/abs/hep-ph/0405016v2

Eur.Phys.J. C36 (2004) 227-232

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, no figures, plain LaTeX; misprints corrected, a few sentences changed, one reference added, final version for Eur. P

Scientific paper

10.1140/epjc/s2004-01896-y

We show that it is possible to enforce texture zeros in arbitrary entries of the fermion mass matrices by means of Abelian symmetries; in this way, many popular mass-matrix textures find a symmetry justification. We propose two alternative methods which allow to place zeros in any number of elements of the mass matrices that one wants. They are applicable simultaneously in the quark and lepton sectors. They are also applicable in Grand Unified Theories. The number of scalar fields required by our methods may be large; still, in many interesting cases this number can be reduced considerably. The larger the desired number of texture zeros is, the simpler are the models which reproduce the texture.

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