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

Abstract

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.

Comments: Proceedings of SPIN 2016, 22nd International Symposium on Spin Physics, 25-30 Sep 2016. Urbana, IL, USA