Hadron structure from gamma* p scattering: interpreting hadronic matrix elements
Abstract
Hadron structure from high-Q2 gamma* p scattering processes is often expressed in terms of hadronic matrix elements of nonlocal operators. Properly defining and interpreting these quantities is very important in light of experiments aiming to extract transverse momentum dependent parton distributions or generalized parton distributions. The current status will be reviewed, including recent developments concerning Wigner distributions.
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