arXiv:hep-ph/0111186·v1·High Energy Physics — Phenomenology
Origins of single transverse spin asymmetries
M. Anselmino (1)🇮🇹 · M. Boglione (2)🇬🇧 · U. D'Alesio (3)🇮🇹 · F. Murgia (3) ((1) University and INFN, Torino, Italy, (2) University of Durham, United Kingdom, (3) University and INFN, Cagliari, Italy)🇮🇹
Abstract
Single transverse spin asymmetries in p-p -> pion + X and l-p -> l-pion + X processes have been observed; their possible origins and connections are investigated. A phenomenological description within a pQCD generalized factorization scheme is discussed.
Comments: LaTeX, 4 pages; Talk delivered by M. Anselmino at the "International Workshop on the Spin Structure of the Proton and Polarized Collider Physics", July 23-28, 2001, Trento, Italy