First Measurement of the Charged Current ${\overline{\nu }}_{\mu }$ Double Differential Cross Section on a Water Target without Pions in the final state

Abstract

This paper reports the first differential measurement of the charged-current ${\overline{\nu }}_{\mu }$ interaction cross section on water with no pions in the final state. The unfolded flux-averaged measurement using the T2K off-axis near detector is given in double differential bins of ${\mu }^{+}$ momentum and angle. The integrated cross section in a restricted phase space is $\sigma =\left(1.11\pm 0.18\right)\times 10^{-38}$ cm${}^2$ per water molecule. Comparisons with several nuclear models are also presented.

arXiv comment19 pages, 10 figures

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• First T2K measurement of transverse kinematic imbalance in the muon-neutrino charged-current single-${\pi }^{+}$ production channel containing at least one proton
• Measuring Oscillations with A Million Atmospheric Neutrinos
• Measurements of ${\bar{\nu }}_{\mu }$ and ${\bar{\nu }}_{\mu }+{\nu }_{\mu }$ charged-current cross-sections without detected pions nor protons on water and hydrocarbon at mean antineutrino energy of 0.86 GeV
• Measurements of the ${\nu }_{\mu }$ and ${\bar{\nu }}_{\mu }$-induced Coherent Charged Pion Production Cross Sections on ${}^{12}C$ by the T2K experiment
• Towards a Unified Model of Neutrino-Nucleus Interactions
• A New Generation of Neutrino Cross Section Experiments: Challenges and Opportunities