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Measurement of muon neutrino induced charged current interactions without charged pions in the final state using a new T2K off-axis near detector WAGASCI-BabyMIND

ContributorsT2K Collaboration
Published inPhysical review. D., vol. 112, no. 11, 112020
Publication date2025
First online date2025-12-23
Abstract

We report a flux-integrated cross section measurement of muon neutrino interactions on water and hydrocarbon via charged current reactions without charged pions in the final state with the WAGASCI-BabyMIND detector, which was installed in the T2K near detector hall in 2018. The detector is located 1.5° off-axis and is exposed to a more energetic neutrino flux than ND280, another T2K near detector, which is located at a different off-axis position. The total flux-integrated cross section is measured to be 1.26±0.18(stat+syst)×10-39  cm2/nucleon on CH and 1.44±0.21(stat+syst)×10-39  cm2/nucleon on H2O. These results are compared to model predictions provided by the neut v5.3.2 and genie v2.8.0 Monte Carlo generators and the measurements are compatible with these models. Differential cross sections in muon momentum and cosine of the muon scattering angle are also reported. This is the first such measurement reported with the WAGASCI-BabyMIND detector and utilizes the 2020 and 2021 datasets.

Funding
  • Ministry of Education, Culture, Sports, Science and Technology
  • Japan Society for the Promotion of Science [JP16H06288]
  • Natural Sciences and Engineering Research Council of Canada [HEP-ERCAP0028625]
  • Canada Foundation for Innovation
  • Commissariat à l’Énergie Atomique et aux Énergies Alternatives
  • Centre National de la Recherche Scientifique
  • Institut National de Physique Nucléaire et de Physique des Particules
  • Deutsche Forschungsgemeinschaft [397763730]
  • Nemzeti Kutatási Fejlesztési és Innovációs Hivatal [137812]
  • Ministerstwo Edukacji i Nauki [2023/WK/04]
  • Narodowe Centrum Nauki [UMO 2018/30/E/ST2/00441]
  • Russian Science Foundation
  • Ministry of Science and Higher Education of the Russian Federation
  • Ministerio de Ciencia e Innovación [PID2022 136297NB-I00]
  • Agencia Estatal de Investigación
  • European Regional Development Fund
  • University of Tokyo [J1]
  • NextGenerationEU [PRTR-C17.I1]
  • Centres de Recerca de Catalunya
  • Universidad de Sevilla [VIIPPIT 2023-V.4]
  • Departament d’Empresa i Coneixement, Generalitat de Catalunya
  • European Social Fund Plus [2022FI B 00336]
  • UK Research and Innovation
  • U.S. Department of Energy
  • National Foundation for Science and Technology Development [103.99-2023.144]
  • Seventh Framework Programme
  • “la Caixa” Foundation [100010434]
  • Horizon 2020 Framework Programme
  • Agence Nationale de la Recherche [ANR 19-CE31-0001]
  • UE, Spain [PID2021-124050NB-C31]
  • Government of Andalucia [FQM160]
  • European Commission - Innovative doctoral programme for talented early-stage researchers in Spanish host organisations excellent in the areas of Science, Technology, Engineering and Mathematics (STEM). [713673]
  • Swiss National Science Foundation - TOWARDS THE IMPROVEMENT OF NEUTRINO OSCILLATION MEASUREMENTS: T2K AND THE JAPANESE PROGRAM [185012]
  • Swiss National Science Foundation - The PLATON detector for precise neutrino detection [203261]
Citation (ISO format)
T2K Collaboration. Measurement of muon neutrino induced charged current interactions without charged pions in the final state using a new T2K off-axis near detector WAGASCI-BabyMIND. In: Physical review. D., 2025, vol. 112, n° 11, p. 112020. doi: 10.1103/fpqb-j6nv
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Article (Published version)
Identifiers
Additional URL for this publicationhttps://link.aps.org/doi/10.1103/fpqb-j6nv
Journal ISSN2470-0010
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