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# First Measurement of the Muon Neutrino Charged Current Single Pion Production Cross Section on Water with the T2K Near Detector

arXiv.org, Nov 8, 2016 [Peer Reviewed Journal]

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• Title:
First Measurement of the Muon Neutrino Charged Current Single Pion Production Cross Section on Water with the T2K Near Detector
• Author: Abe, K ; Andreopoulos, C ; Antonova, M ; Aoki, S ; Ariga, A ; Assylbekov, S ; Autiero, D ; Ban, S ; Barbi, M ; Barker, G ; Barr, G ; Bartet-Friburg, P ; Batkiewicz, M ; Bay, F ; Berardi, V ; Berkman, S ; Bhadra, S ; Bienstock, S ; Blondel, A ; Bolognesi
• Found In: arXiv.org, Nov 8, 2016 [Peer Reviewed Journal]
• Subjects: Particle Physics ; Experiments ; Cross Sections ; Kinematics ; Muons ; Neutrinos
• Language: English
• Description: The T2K off-axis near detector, ND280, is used to make the first differential cross section measurements of muon neutrino charged current single positive pion production on a water target at energies $${\sim}0.8$$ GeV. The differential measurements are presented as a function of muon and pion kinematics, in the restricted phase-space defined by $$p_{\pi^+}>200$$MeV/c, $$p_{\mu^-}>200$$MeV/c, $$\cos \theta_{\pi^+}>0.3$$ and $$\cos \theta_{\mu^-}>0.3$$. The total flux integrated $$\nu_\mu$$ charged current single positive pion production cross section on water in the restricted phase-space is measured to be $$\langle\sigma\rangle_\phi=4.25\pm0.48 (\mathrm{stat})\pm1.56 (\mathrm{syst})\times10^{-40} \mathrm{cm}^{2}/\mathrm{nucleon}$$. The total cross section is consistent with the NEUT prediction ($$5.03\times10^{-40} \mathrm{cm}^{2}/\mathrm{nucleon}$$) and 2$$\sigma$$ lower than the GENIE prediction ($$7.68\times10^{-40} \mathrm{cm}^{2}/\mathrm{nucleon}$$). The differential cross sections...
• Identifier: DOI: 10.1103/PhysRevD.95.012010