2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/39005We determine by numerical simulations on a lattice the gauge--invariant two--point correlation function of the gauge field strengths in the QCD vacuum, down to a distance of 0.1 fm.9 pages, LaTeX file, + 3 PS figures, uuencoded-tar-compressedHigh Energy Physics - LatticeHigh Energy Physics - Phenomenologytext