2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/226264The influence of Bose-Einstein correlations on the determination of the mass of the W boson in e+e- -> WW -> 4jet events at LEP2 energies is studied, using a global event weighting method. We find that it is possible to keep the systematic error on the W mass from this source below 20 MeV, if suitable precautions are taken in the experimental analysis.12 pages including 3 .eps figures. Paper revised to correct for a software bug which overestimated heavy quark contributionHigh Energy Physics - Phenomenologytext