Baryon form factors from Dyson-Schwinger equations

TL;DR

This paper reviews the application of Dyson-Schwinger equations to compute baryon form factors, highlighting recent results on nucleon and N-Delta transitions, and analyzing underlying QCD features like chiral symmetry breaking.

Contribution

It presents a comprehensive summary of Dyson-Schwinger/Faddeev approach results for baryon form factors, emphasizing the connection to fundamental QCD phenomena.

Findings

Analysis of dynamical chiral symmetry breaking effects

Insights into quark orbital angular momentum contributions

Timelike structure and missing pion-cloud effects

Abstract

I briefly summarize the application of the Dyson-Schwinger/Faddeev approach to baryon form factors. Recent results for nucleon electromagnetic and axial form factors as well as N-Delta-Gamma electromagnetic transition form factors are discussed. The calculation of the current diagrams from the quark-gluon level enables an analysis of common features, such as the implications of dynamical chiral symmetry breaking and quark orbital angular momentum, the timelike structure of the form factors, and their interpretation in terms of missing pion-cloud effects.