Sivers function: Sidis data, fits and predictions

M. Anselmino, M. Boglione, U. D’Alesio, A. Kotzinian, F. Murgia, A. Prokudin

Research output: Chapter in Book/Report/Conference proceedingChapter


The most recent data on the weighted transverse single-spin asymmetry (formula Presented) from HERMES and COMPASS collaborations are analysed within LO parton model; all transverse motions are taken into account. Extraction of the Sivers function for u and d quarks is performed. Based on the extracted Sivers functions, predictions for (formula Presented) asymmetries at JLab are given; suggestions for further measurements at COMPASS, with a transversely polarized hydrogen target and selecting favourable kinematical ranges, are discussed. Predictions are also presented for Single Spin Asymmetries (SSA) in Drell-Yan processes at RHIC and GSI.

Original languageEnglish (US)
Title of host publicationTransversity 2005
Subtitle of host publicationComo, Italy, 7-10 September 2005
PublisherWorld Scientific Publishing Co.
Number of pages8
ISBN (Electronic)9789812773272
ISBN (Print)9812568468, 9789812568465
StatePublished - Jan 1 2006

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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