ABSTRACT: We review the phenomenological framework for accessing Generalized Parton Distributions (GPDs) using measurements of Deeply Virtual Compton Scattering (DVCS) from a proton target. We describe various GPD models and tting procedures, emphasizing specic challenges posed both by the internal structure and properties of the GPD functions and by their relation to observables. Bearing in mind forthcoming data of unprecedented accuracy, we give a set of recommendations to better dene the pathway for a precise extraction of GPDs from experiment.
Kumerički, K., Liuti, S. & Moutarde, H. Eur. Phys. J. A (2016) 52: 157