Abstract

Generalized parton distributions describe the distribution of partons in the transverse plane. For transversely polarized quarks and/or nucleons, these impact parameter dependent parton distributions are not axially symmetric. These transverse distortions can be related to spin‐orbit correlations as well as to (intuitively) to transverse single‐spin asymmetries, allowing novel insights into quark orbital angular momentum from measurements of the Sivers and Boer‐Mulders functions.

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