2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/197170We find a consistency between two different approaches of hard diffraction, namely the QCD dipole model and the Soft Colour Interaction approach. A theoretical interpretation in terms of S-Matrix and perturbative QCD properties in the small $x_{Bj}$ regime is proposed.4pages, 1 figure, letter submitted for publicationHigh Energy Physics - Phenomenologytext