arXiv:0712.4240·v1·High Energy Physics — Phenomenology
Single spin asymmetries in inclusive hadron production from SIDIS to hadronic collisions: universality and phenomenology
M. Boglione (1)🇮🇹 · U. D'Alesio (2,3)🇮🇹 · F. Murgia (3) ((1) INFN Torino, Italy, (2) University Cagliari, Italy, (3) INFN Cagliari, Italy)🇮🇹
Abstract
In a perturbative QCD approach, with inclusion of spin and transverse momentum effects, experimental data on azimuthal asymmetries observed in polarized semi-inclusive deeply inelastic scattering and e+ e- annihilations can be used to determine the Sivers, transversity and Collins soft functions. By using these functions, within the same scheme, we predict p(transv. polarized) p -> h + X single spin asymmetries in remarkable agreement with RHIC experimental data.
Comments: 5 pages, 6 ps figures