2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47278Tree-level scattering amplitudes of longitudinally polarized electroweak vector bosons in the Standard Model are calculated using Mathematica package Feyncalc. The modifications of low-energy theorems for longitudinally polarized W and Z in the Standard Model are discussed.LaTeX, 13 pages, 4 eps figuresHigh Energy Physics - Phenomenologytext