2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47206Different phenomenological approaches for Lambda and Lambda-bar polarization in polarized semi-inclusive deep inelastic scattering and electron-positron annihilation at Z^0 pole are considered. Current and future experiments will soon provide accurate enough data to study spin phenomena in these reactions and distinguish between various models.LaTeX, 7 pages, 6 figures. Talk given at the SPIN-97 VII Workshop on High Energy Spin Physics, 7-12 July 1997, Dubna, RussiaHigh Energy Physics - Phenomenologytext