2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/39321A large class of polarized and unpolarized deep inelastic data is successfully described with Fermi-Dirac functions for the non-diffractive part of quark parton distributions. The NLO approach used here improves the agreement with experiment of the previous LO work. We get a broader distribution for the strange parton s(x) than for sbar(x).29 pages LaTeX, 13 figuresHigh Energy Physics - Phenomenologytext