2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/49138We show that when screening corrections are included $ \frac{\partial F_{2}(x,Q^{2})}{\partial \ln Q^{2}}$ is consistent with the behaviour that one expects in pQCD. Screening corrections explain the enigma of the Caldwell plot.3 pages, 4 figures in eps filesHigh Energy Physics - Phenomenologytext