2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/112425Recent results of the standard model expectations on sin2beta(phi_1) from penguin-dominated b to s decays are briefly reviewed.Invited talk at Flavor Physics & CP Violation Conference, Vancouver, 2006; 5 pages, 2 figuresHigh Energy Physics - Phenomenologytext