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

Authors:Vicente Vacas, Manuel J.
Nieves, Juan Miguel
Hernández, Eliecer
Valverde, M.
Issue Date:15-Apr-2010
Publisher:American Physical Society
Citation:Physical Review - Section D - Particles and Fields 81 (8): 085046 (2010)
Abstract:The 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
URI:http://hdl.handle.net/10261/24320
ISSN:1550-7998
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Appears in Collections:(IFIC) Artículos

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