2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/113644B factories measure the CP violation parameter of B^0 Bbar^0 mixing and decay. Hadron colliders measure the dimuon charge asymmetry of an admixture of B hadrons. In this note we discuss a subtle point on how the CP violation parameter of B^0_s Bbar^0_s mixing and decay can be extracted from these measurements.7 pages, 0 figuresHigh Energy Physics - Experimenttext