2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/40886We analyse the impact of systematic effects due to the scale dependence of QCD corrections in combination with the use of different jet clustering algorithms in the measurement of the $W^\pm$ mass in the fully hadronic decay mode of $W^+W^-$ pairs produced at LEP2. We consider higher order contributions induced by both virtual and real gluon radiation onto the electroweak CC03 and CC11 channels through ${\cal O}(α_{s})$ at the parton level. We find that the associated uncertainties can be of order 100 MeV, thus competitive with those possibly arising in the non-perturbative regime and indeed above the current experimental estimates.16 pages, latex, 4 figures, version to appear in EPJdirectCHigh Energy Physics - PhenomenologyHigh Energy Physics - Experimenttext