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Results of the analysis of the MiniBooNE experiment data for the neutral current elastic neutrino scattering off the CH₂ target with the NuWro Monte Carlo generator are presented. The inclusion in the analysis of the two-body current contribution leads to the axial mass value MA=1.10_-0.15+0.13 GeV, consistent with the older evaluations based on the neutrino-deuteron scattering data. The strange quark contribution to the nucleon spin is estimated with the value gAˢ=-0.4_-0.3+0.5.
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Golan et al. (2013) studied this question.
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