2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/43253A precise determination of the $W$ boson mass at the CERN LHC requires a theoretical calculation in which the effect of the initial-state multiple soft-gluon emission and the final-state photonic correction are simultaneously included. Here, we present such a calculation and discuss its prediction on a few most relevant distributions of the decay leptons.4 pages, LaTeX, 2 eps figures, submitted to the proceedings of the Workshop on Physics at TeV Colliders, Les Houches, France, 26 May -- 6 June 2003High Energy Physics - Phenomenologytext