Origins of single transverse spin asymmetries
M. Anselmino, M. Boglione, U. D'Alesio, F. Murgia
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.
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