2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/38306The latest ALEPH measurements on heavy flavours are presented. In particular the measurements of V_ub, the B(b -> s gamma) and a study on the width difference between mass eigenstates in the B_s system are presented.7 pages, RevTeXHigh Energy Physics - Experimenttext