FSI and rare B decays: B-->ππ, ρρ

Abstract

The final state interactions (FSI) model, in which soft rescattering of low mass intermediate states dominate, is suggested. It explains why the strong interaction phases are large in the $B_d\to \pi \pi$ channel and are considerably smaller in the $B_d\to \rho \rho$ one.

talk at PANIC08, Eilat, Israel