2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/97688The energy losses at collisions of heavy multiplycharged ions with light atoms have been considered under circumstances the ion charge Z>>1 and the relative colliding velocity v>>1, so that Z~v=<c, where c - the light velocity (atomic units are used). In this region of parameters the Born approximation are not justificative. The simple formulas for effective stopping are obtained, the comparison with effective stopping calculated in the Born approximation are carried out.9 pages, latexHigh Energy Physics - Phenomenologytext