SU(5) & A4

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Urbano, Alfredo
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The introduction of a Flavour Symmetry can represent an interesting way in which one can try to find an answer to some intriguing problems in Flavour Physics, like the hierarchy between the fermion masses or the particular values of mixing angles. In the meantime the necessity to set this symmetry in a realistic context grows up; this context should be able to enlarge our incomplete knowledge of fundamental interactions as described in the framework of the Standard Model. Following this direction a merging between A(4) and SU(5) can be possible.
Comment: 4 pages; moriond.sty included. Short talk given at the XLIVth Rencontres de Moriond - Electroweak Interactions and Unified Theories, March 7-14, 2009, La Thuile (Aosta), Italy; to be published in the Proceedings
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High Energy Physics - Phenomenology
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