2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/179745We present the theory of QED x QCD resummation and its interplay with shower/matrix element matching in precision LHC physics scenarios. We illustrate the theory using single heavy gauge boson production at hadron colliders.12 pages, LaTex with packages amsmath, amssymbHigh Energy Physics - Phenomenologytext