Measurement of inclusive neutral currentπ0production on carbon in a few-GeV neutrino beam

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Abstract

The SciBooNE Collaboration reports inclusive neutral current neutral pion production by a muon neutrino beam on a polystyrene target (${\mathrm{C}}_{8}{\mathrm{H}}_{8}$). We obtain $(7.7\ifmmode\pm\else\textpm\fi{}0.5(\mathrm{stat})\ifmmode\pm\else\textpm\fi{}0.5(\mathrm{sys}))\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}2}$ as the ratio of the neutral current neutral pion production to total charged current cross section; the mean energy of neutrinos producing detected neutral pions is 1.1 GeV. The result agrees with the Rein-Sehgal model implemented in our neutrino interaction simulation program with nuclear effects. The spectrum shape of the ${\ensuremath{\pi}}^{0}$ momentum and angle agree with the model. We also measure the ratio of the neutral current coherent pion production to total charged current cross section to be $(0.7\ifmmode\pm\else\textpm\fi{}0.4)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}2}$.

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