2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/148048On the basis of the target mass corrections to structure functions of deep-inelastic scattering of leptons, we evaluate effective nucleon mass that turns out to be twice $M_{nucl.}$ for deep-inelastic scattering on the nucleus target and equals $M_{nucl.}$ for the hydrogen target.LATEX, 6 pages, no figuresHigh Energy Physics - Phenomenologytext