An improved analysis of k_T effects for SSA in hadronic collisions
Abstract
Description
The role of intrinsic transverse momentum both in unpolarized and polarized processes is discussed. We consider inclusive cross sections for pion production in hadronic collisions and for Drell-Yan processes. We reanalyze transverse single spin asymmetries (SSA) in inclusive pion production, p(transv. polarized) p --> pion + X, in terms of Sivers effect and show its contribution to A_{UL} in semi-inclusive DIS (SIDIS).
LaTeX, 5 pages, 2 ps figures, uses dis03.cls. Talk delivered by U. D'Alesio at the ``XI International Workshop on Deep Inelastic Scattering'' (DIS2003), 23-27 April, 2003, St. Petersburg
LaTeX, 5 pages, 2 ps figures, uses dis03.cls. Talk delivered by U. D'Alesio at the ``XI International Workshop on Deep Inelastic Scattering'' (DIS2003), 23-27 April, 2003, St. Petersburg