Theoretical Issues

Details Theoretical Issues Theoretical Issues

Apr 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..904...25v&link_type=abstract

SHAPES OF HADRONS. AIP Conference Proceedings, Volume 904, pp. 25-48 (2007).

Physics

2

Protons And Neutrons, Electromagnetic Form Factors, Chiral Lagrangians, Lattice Qcd Calculations, Perturbative Calculations

Scientific paper

The theoretical issues in the interpretation of the precision measurements of the nucleon-to-Δ transition by means of electromagnetic probes are highlighted. The results of these measurements are confronted with the state-of-the-art calculations based on chiral effective-field theories (EFT), lattice QCD, large-Nc relations, perturbative QCD, and QCD-inspired models. The link of the nucleon-to-Δ form factors to generalized parton distributions (GPDs) is also discussed.

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