2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/41025I explain how various aspects of factorization in exclusive b decays can be studied with mesons having a small decay constant or spin greater than one.5 pages, 2 figures. Talk presented at the International Europhysics Conference on High Energy Physics (EPS HEP), July 2001, Budapest, HungaryHigh Energy Physics - Phenomenologytext