2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/207345These final results on e+e- -> W+W- production cross-section measurements at LEP2 use data collected by the DELPHI detector at centre-of-mass energies up to 209 GeV. Measurements of total cross-sections, W angular differential distributions and decay branching fractions, and the value of the CKM element |V_{cs}| are compared to the expectations of the Standard Model. These results supersede all values previously published by DELPHI.35 pages, 8 figures, Accepted by Eur. Phys. J. CHigh Energy Physics - Experimenttext