Unified theories of flavour with U(2) as horizontal group

Abstract

An unified flavour model based on U(2) as flavour group is described. Besides to explain the main characteristics of the fermion spectrum, the model is predictive and agrees quantitatively with experimental data in flavour physics.

Comments: 9 pages, lxatex2e using amstex, epsfig, epic, 1 eps figure. Talk given at NATO Advanced Study Institute on Masses of Fundamental Particles, Cargese, France, 5-17 Aug 1996