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We extend and review our analysis of the nucleon \to \Delta(1232) transitionelectroweak form factors from Ref. [1]. New fit of the \Delta(1232) vector formfactors to electron-proton scattering F_2 structure function is introduced aswell, leading to results different from the popular parametrization of Ref.[2]. A clear model dependence of the extracted parameters emerges. Fit toneutrino scattering data is performed in all available isospin channels. Theresulting axial mass is M_{A\Delta}=0.85^{+0.09}_{-0.08} (GeV) and $C_5^A(0) =1.10^{+0.15}_{-0.14}. The latter value is in accordance with Goldberger-Treimanrelation as long as the deuteron effects are included.

Electroweak Single Pion Production and Form Factors of the \Delta(1232) Resonance