2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/180532The Sivers and Collins asymmetries are the most interesting Single Spin Asymmetries in semi-inclusive deeply inelastic scattering with transverse target polarization. In this talk we present our understanding of these phenomena.Presented at PRAGUE-SPIN-06 ASI, to be published in Czech. J. Phys. 57 (2007), 14 pages, 10 figures, style filesHigh Energy Physics - Phenomenologytext