Measurement of single charged pion production in the charged-current interactions of neutrinos in a 1.3-GeV wide band beam
2008
Single charged pion production in
charged-current
muon neutrinointeractions with carbon is studied using data collected in the K2K long-baseline neutrino experiment. The mean energy of the incident
muon neutrinosis 1.3 GeV. The data used in this analysis are mainly from a fully active scintillator detector, SciBar. The cross section for single {pi}{sup +} production in the resonance region (W<2 GeV/c{sup 2}) relative to the
charged-currentquasielastic cross section is found to be 0.734{sub -0.153}{sup +0.140}. The energy-dependent cross section ratio is also measured. The results are consistent with a previous experiment and the prediction of our model.
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