2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/48031We present a phenomenological analysis of data on both inclusive and semi-inclusive spin asymmetries. We examine the impact of the semi-inclusive results presented by SMC on the determination of polarized parton distributions performing global fits with different sets of observables. We discuss the flavour dependence of the polarized sea inside a nucleon.16 pages LaTeX, 11 ps figures includedHigh Energy Physics - Phenomenologytext