N-Delta(1232) axial form factors from weak pion production

Authors :: Hernandez, E.
Nieves, J.
Valverde, M.
Vicente-Vacas, M. J.
Source :: Phys.Rev.D81:085046,2010
Publication Year :: 2010
Abstract: The N-Delta axial form factors are determined from neutrino induced pion production ANL & BNL data by using a state of the art theoretical model, which accounts both for background mechanisms and deuteron effects. We find violations of the off diagonal Goldberger-Treiman relation at the level of 2 sigma which might have an impact in background calculations for T2K and MiniBooNE low energy neutrino oscillation precision experiments.<br />Comment: 4 pages, 1 figure