TL;DR
This paper reviews how generalized parton distributions (GPDs) provide a detailed picture of nucleon structure, linking microscopic parton dynamics to macroscopic properties through experimental methods in lepton scattering.
Contribution
It offers a comprehensive overview of GPDs, emphasizing experimental techniques and current status in probing nucleon structure.
Findings
GPDs connect microscopic and macroscopic nucleon properties.
Experimental methods have advanced to access GPDs.
Current experimental data supports the GPD framework.
Abstract
Generalized parton distributions (GPDs) offer a comprehensive picture of the nucleon structure and dynamics and provide a link between microscopic and macroscopic properties of the nucleon. These quantities, which can be interpreted as the transverse distribution of partons carrying a certain longitudinal momentum fraction of the nucleon can be accessed in deep exclusive processes. This lecture reviews the main features of the nucleon structure as obtained from elastic and inelastic lepton scatterings and unified in the context of the GPDs framework. Particular emphasis is put on the experimental methods to access these distributions and the today experimental status.
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