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
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.
