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  • 2004.13989v1

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Measurements of $\barν_μ$ and $\barν_μ + ν_μ$ charged-current cross-sections without detected pions nor protons on water and hydrocarbon at mean antineutrino energy of 0.86 GeV

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Published
Article number043C01
<mark>Journal publication date</mark>30/04/2021
<mark>Journal</mark>Progress of Theoretical and Experimental Physics
Issue number4
Volume2021
Number of pages28
Publication StatusPublished
Early online date2/03/21
<mark>Original language</mark>English

Abstract

We report measurements of the flux-integrated $\bar{\nu}_\mu$ and $\bar{\nu}_\mu+\nu_\mu$ charged-current cross-sections on water and hydrocarbon targets using the T2K anti-neutrino beam, with a mean neutrino energy of 0.86 GeV. The signal is defined as the (anti-)neutrino charged-current interaction with one induced $\mu^\pm$ and no detected charged pion nor proton. These measurements are performed using a new WAGASCI module recently added to the T2K setup in combination with the INGRID Proton module. The phase space of muons is restricted to the high-detection efficiency region, $p_{\mu}>400~{\rm MeV}/c$ and $\theta_{\mu}200~{\rm MeV}/c$ and $\theta_{\pi}600~{\rm MeV}/c$ and $\theta_{\rm p}