TL;DR
This paper reviews the current status of deeply virtual meson production (DVMP), deeply virtual Compton scattering (DVCS), and generalized parton distributions (GPDs), focusing on their parametrization, applications, and implications for nucleon structure.
Contribution
It provides a detailed review of GPD parametrizations, especially for H and E, and discusses their applications to DVCS and Ji's sum rule evaluation.
Findings
GPDs H and E are effectively parametrized within the handbag approach.
Extracted GPDs from DVMP are applied successfully to DVCS.
Evaluation of Ji's sum rule offers insights into nucleon spin structure.
Abstract
The analysis of exclusive meson leptoproduction (DVMP) within the handbag approach is reviewed and the parametrization of the generalized parton distributions (GPDs) is discussed in some detail with the main interest focused of the GPDs H and E. Applications of the GPDs extracted from DVMP to other hard exclusive processes as for instance deeply virtual Compton scattering (DVCS) and an evaluation of Ji's sum rule are also presented.
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