Measurement of the charged-current electron (anti-)neutrino inclusive cross-sections at the T2K off-axis near detector ND280

Abstract

The electron (anti-)neutrino component of the T2K neutrino beam constitutes the largest background in the measurement of electron (anti-)neutrino appearance at the far detector. The electron neutrino scattering is measured directly with the T2K off-axis near detector, ND280. The selection of the electron (anti-)neutrino events in the plastic scintillator target from both neutrino and anti-neutrino mode beams is discussed in this paper. The flux integrated single differential charged-current inclusive electron (anti-)neutrino cross-sections, $d\sigma /dp$ and $d\sigma /d\cos (\theta )$, and the total cross-sections in a limited phase-space in momentum and scattering angle ($p>300$ MeV/c and $\theta \le 45^{\circ }$) are measured using a binned maximum likelihood fit and compared to the neutrino Monte Carlo generator predictions, resulting in good agreement.

References in corpus (2)

• Differences in Quasi-Elastic Cross-Sections of Muon and Electron Neutrinos
• $C_5^A$ axial form factor from bubble chamber experiments

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