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Comparing extractions of Sivers functions

M. Anselmino, M. Boglione, J. C. Collins, U. D'Alesio, A. V. Efremov, K. Goeke, A. Kotzinian, S. Menzel, A. Metz, F. Murgia, A. Prokudin, P. Schweitzer, W. Vogelsang, F. Yuan

hep-pharXiv:hep-ph/0511017

Abstract

A comparison is given of the various recently published extractions of the Sivers functions from the HERMES and COMPASS data on single-transverse spin asymmetries in semi-inclusive deeply inelastic scattering.

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