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

AuthorsVicente Vacas, Manuel J. ; Nieves, Juan Miguel ; Hernández, Eliecer; Valverde, M.
Issue Date15-Apr-2010
PublisherAmerican Physical Society
CitationPhysical Review - Section D - Particles and Fields 81 (8): 085046 (2010)
AbstractThe N Delta axial form factors are determined from neutrino induced pion production ANL and BNL data by using a theoretical model that 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.
Publisher version (URL)http://dx.doi.org/ 10.1103/PhysRevD.81.085046
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