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The Electroweak model will be geometrized in a 5-D Riemann-Cartan framework:U(1) weak hyper-charge group will be worked out in a Klauza-Klein scheme, whileSU(2) weak isospin group will be identified to suitable bein projections of thecontortion field. The possibility of introducing Ashtekar formalism in 5-DKlauza-Klein theories will be investigated.Comment: 3 pages, proceedings of the XI Marcel Grossmann meeting on  Relativistic Astrophysics, July 23-29, 2006, Berli

ELECTRO-WEAK MODEL WITHIN A 5-DIMENSIONAL LORENTZ GROUP THEORY