N Delta - Transition Form Factors at Low Momentum Transfer
  The three complex form factors entering the $\Delta\to N\gamma^\ast$ vertex are calculated to ${\cal O}(\epsilon^3)$ in the framework of a chiral effective theory with explicit $\Delta$(1232) degrees of freedom. Furthermore, the role of presently unknown low energy constants that affect the values of EMR and CMR is elucidated. 
G. C. Gellas (University of Athens), T. R. Hemmert (Forschungszentrum   Julich, IKP), C. N. Ktorides (University of Athens),...