2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/37987We describe the Monte Carlo event generator WOPPER for four fermion production through W-pairs including resummed leading logarithmic QED radiative corrections.31 pages, LaTeX (standard version 2e), optional Feynman diagrams using the LaTeX package feynmf. Online simulation available at http://crunch.ikp.physik.th-darmstadt.de/cgi-bin/wopper-onlineHigh Energy Physics - ExperimentHigh Energy Physics - PhenomenologyWOPPER, Version 1.3: A Monte Carlo Event Generator for e+ e- -> W+ W- -> 4f + n gamma at LEP2 and beyondtext