Point-by-point extraction of parton distribution functions from SIDIS single transverse-spin asymmetries

Anna Martin,Franco Bradamante, Vincenzo Barone

arxiv（2017）

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摘要

We show how some parton distribution functions related to the transverse spin of nucleons can be extracted point by point from combinations of proton and deuteron observables. In particular, we present a determination of the valence and sea Sivers functions from the single-spin asymmetries measured by COMPASS.

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