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

A preprint version of the article is available at arXiv.

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, dσ/dp and dσ/d cos(θ), and the total cross-sections in a limited phase-space in momentum and scattering angle (p > 300 MeV/c and θ ≤ 45°) are measured using a binned maximum likelihood fit and compared to the neutrino Monte Carlo generator predictions, resulting in good agreement.

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Correspondence to G. Christodoulou.

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ArXiv ePrint: 2002.11986

Affiliated member at Kavli IPMU (WPI), the University of Tokyo, Japan (C. K. Jung, T. Kajita, E. Kearns, Y. Koshio, M. Miura, S. Moriyama, K. Scholberg, H. Sekiya, H. K. Tanaka, R. Wendell, M. Yokoyama)

Deceased (K. Nishikawa, Y. Yamada)

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The T2K collaboration., Abe, K., Akhlaq, N. et al. Measurement of the charged-current electron (anti-)neutrino inclusive cross-sections at the T2K off-axis near detector ND280. J. High Energ. Phys. 2020, 114 (2020). https://doi.org/10.1007/JHEP10(2020)114

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