Quark masses and weak couplings in the Standard Model and beyond

Abstract

I discuss two topics: i) the empirical adequacy of the Standard Model in the Flavour Sector in view of recent data; ii) the possible existence of a hidden structure in the quark masses and mixings based on textures.

Comments: 9 pages, 3 figures, Talk given at Lepton Photon 2001, Rome, July 2001