2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/37054In the energy region of LEP2 and above, four fermion final states in e+e- collisions can be produced by Feynman diagrams involving two, one or zero resonant bosons...4 pages, 2 figures, presented at LEPTRE, XIII Convegno sulla Fisica al LEP, ROma, 2001High Energy Physics - Experimenttext