2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/217819The recent evaluation of the parametrically dominant next-to-next-to-leading order corrections to four-fermion production near the W-pair threshold in the framework of unstable-particle effective theory is briefly summarized.4 pages, 3 figures, talk given at LCWS08, Chicago, November 2008High Energy Physics - Phenomenologytext