Abstract
We report a measurement of the flux-integrated cross section for inclusive muon neutrino charged-current interactions on carbon. The double differential measurements are given as function of the muon momentum and angle. Relative to our previous publication on this topic, these results have an increased angular acceptance and higher statistics. The data sample presented here corresponds to $5.7 \times 10^{20}$ protons-on-target. The total flux-integrated cross section is measured to be $(6.950 \pm 0.662) \times 10^{-39}$ cm$^2$nucleon$^{-1}$ and is consistent with our simulation.
Highlights
T2K is an experiment located in Japan with the primary aim of studying neutrino oscillations [1]
We report a measurement of the flux-integrated cross section for inclusive muon neutrino chargedcurrent interactions on carbon
T2K reported the measurement of the fluxintegrated double-differential cross section for muon neutrino charged-current interactions on carbon as a function of the muon momentum and angle [2]
Summary
T2K is an experiment located in Japan with the primary aim of studying neutrino oscillations [1]. In addition to the oscillation measurements, T2K has an ongoing program to study neutrino interactions using the near detector complex in order to improve the understanding and modeling of these interactions. Results from this program, as exemplified by those presented in this paper, are interesting in their own right and can be used to constrain and reduce the systematic errors arising from cross section uncertainties in the extraction of neutrino oscillation parameters. The results presented in this paper were obtained with more data, reduced neutrino flux uncertainties (thanks to new NA61/SHINE measurements [3]), increased angular acceptance, reduced background contamination, and a different unfolding method.
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