2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/207824We use the meson cloud model to calculate $\bar{d}(x) - \bar{u}(x)$ and $ \bar{d}(x)/\bar{u}(x)$ in the proton. We show that a modification of the symmetric, perturbative part of the light quark sea provides better agreement with the ratio $ \bar{d}(x)/\bar{u}(x).4 pages, 2 figures, LaTeX. Talk presented at PANIC 99High Energy Physics - PhenomenologyNuclear Theorytext