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

Autor: Hernandez, E., Nieves, J., Valverde, M., Vicente-Vacas, M. J.
Rok vydání: 2010
Předmět:
Zdroj: Phys.Rev.D81:085046,2010
Druh dokumentu: Working Paper
DOI: 10.1103/PhysRevD.81.085046
Popis: 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.
Comment: 4 pages, 1 figure
Databáze: arXiv