2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/49512The next-to-next-to-leading order (NNLO) QCD analysis of the experimental $xF_3$ structure function from CCFR data is performed. The theoretical uncertainties of the analysis are discussed.2 pages (Latex), 1 figure. Talk presented at the International Europhysics Conference on High Energy Physics (EPS-HEP99), Tampere, Finland, July 15-21, 1999 (submitted to the Proceedings)High Energy Physics - Phenomenologytext