Generalized Parton Distributions and the Dependence of Parton Distributions on the Impact Parameter
Abstract
Generalized parton distributions (GPDs) provide a link between form factors, parton distributions and other observables. I discuss the connection between GPDs and parton distributions as a function of the impact parameter. Since this connection involves GPDs in the limit of vanishing skewedness parameter , i.e. when the off-forwardness is purely transverse, I also illustrate how to relate ≠ 0 data to =0 data, which is important for experimental measurements of these observables.
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