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arxiv: hep-ph/0102079 · v1 · submitted 2001-02-07 · ✦ hep-ph

Breaking democracy with non renormalizable mass terms

classification ✦ hep-ph
keywords breakingfamilymassquarkrenormalizablesymmetryactionansatz
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The exact democratic structure for the quark mass matrix, resulting from the action of the family symmetry group $A_{3L}\times A_{3R}$, is broken by the vaccum expectation values of heavy singlet fields appearing in non renormalizable dimension 6 operators. Within this specific context of breaking of the family symmetry we formulate a very simple ansatz which leads to correct quark masses and mixings.

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