2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47696In this thesis we describe the calculation of the process e+ e- --> Z/gamma -> Q Qbar + X, where Q is a heavy quark, X is anything else at order alpha_s^2.PhD thesis, 161 pages, LaTeX, epsfig, 35 figuresHigh Energy Physics - Phenomenologytext