2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/43985The physics underlying the fall and eventual rise in various total cross-sections at high energies has been investigated over a decade using a model based on the Bloch-Nordsieck resummation in QCD. Here a brief review of our latest results is presented and comparison made with experimental data on $pp$, $γproton$ and $γγ$ total cross-sections.Presented by G. Pancheri at ISMD04, Sonoma State University. Under publication in Acta Physica Polonica. LaTeX format, 10 *.eps files, 7 pagesHigh Energy Physics - Phenomenologytext