https://doi.org/10.1140/epja/i2018-12465-x
Regular Article - Theoretical Physics
Electromagnetic transition form factors of baryons in the space-like momentum region
1
Institut für Physik, Karl-Franzens-Universität Graz, NAWI Graz, 8010, Graz, Austria
2
Institut für Theoretische Physik, Justus-Liebig-Universität Giessen, 35392, Giessen, Germany
* e-mail: hsanchisalepuz@gmail.com
Received:
3
August
2017
Accepted:
23
January
2018
Published online:
9
March
2018
We present results from a calculation of the electromagnetic transition form factors between ground-state octet and decuplet baryons as well as the octet-only 
to 
transition. We work in the combined framework of Dyson-Schwinger equations and covariant Bethe-Salpeter equations with all elements, the baryon three-body wave function, the quark propagators and the dressed quark-photon vertex determined from a well-established, momentum dependent approximation for the quark-gluon interaction. We discuss in particular the similarities among the different transitions as well as the differences induced by SU(3)-isospin symmetry breaking. We furthermore provide estimates for the slopes of the electric and magnetic to transitions at the zero photon momentum point.
© SIF, Springer-Verlag GmbH Germany, part of Springer Nature, 2018
