Neutrino-nucleus CC0π cross-section tuning in GENIE v3

Júlia Tena-Vidal (University of Liverpool, Department of Physics, Liverpool L69 7ZE, United Kingdom) ; Costas Andreopoulos (University of Liverpool, Department of Physics, Liverpool L69 7ZE, United Kingdom; Science and Technology Facilities Council, Rutherford Appleton Laboratory, Particle Physics Department, Oxfordshire OX11 0QX, United Kingdom) ; Adi Ashkenazi (Tel Aviv University, Tel Aviv 69978, Israel) ; Joshua Barrow (Massachusetts Institute of Technology, Department of Physics, Cambridge, Massachusetts 02139, USA; Tel Aviv University, Tel Aviv 69978, Israel) ; Steven Dytman (University of Pittsburgh, Department of Physics and Astronomy, Pittsburgh Pennsylvania 15260, USA) ; et al. - Show all 23 authors

This article summarizes the state of the art of νμ and ν¯μ CC0π cross-section measurements on carbon and argon and discusses the relevant nuclear models, parametrizations and uncertainties in GENIE v3. The CC0π event topology is common in experiments at a few-GeV energy range. Although its main contribution comes from quasielastic interactions, this topology is still not well understood. The GENIE global analysis framework is exploited to analyze CC0π datasets from MiniBooNE, T2K and MINERνA. A partial tune for each experiment is performed, providing a common base for the discussion of tensions between datasets. The results offer an improved description of nuclear CC0π datasets as well as data-driven uncertainties for each experiment. This work is a step towards a GENIE global tune that improves our understanding of neutrino interactions on nuclei. It follows from earlier GENIE work on the analysis of neutrino scattering datasets on hydrogen and deuterium.

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      "source": "APS", 
      "value": "This article summarizes the state of the art of <math><msub><mi>\u03bd</mi><mi>\u03bc</mi></msub></math> and <math><msub><mover><mi>\u03bd</mi><mo>\u00af</mo></mover><mi>\u03bc</mi></msub></math> <math><mrow><mi>CC</mi><mrow><mn>0</mn><mi>\u03c0</mi></mrow></mrow></math> cross-section measurements on carbon and argon and discusses the relevant nuclear models, parametrizations and uncertainties in GENIE v3. The <math><mrow><mi>CC</mi><mrow><mn>0</mn><mi>\u03c0</mi></mrow></mrow></math> event topology is common in experiments at a few-GeV energy range. Although its main contribution comes from quasielastic interactions, this topology is still not well understood. The GENIE global analysis framework is exploited to analyze <math><mrow><mi>CC</mi><mrow><mn>0</mn><mi>\u03c0</mi></mrow></mrow></math> datasets from MiniBooNE, T2K and <math><mi>MINER</mi><mi>\u03bd</mi><mi>A</mi></math>. A partial tune for each experiment is performed, providing a common base for the discussion of tensions between datasets. The results offer an improved description of nuclear <math><mrow><mi>CC</mi><mrow><mn>0</mn><mi>\u03c0</mi></mrow></mrow></math> datasets as well as data-driven uncertainties for each experiment. This work is a step towards a GENIE global tune that improves our understanding of neutrino interactions on nuclei. It follows from earlier GENIE work on the analysis of neutrino scattering datasets on hydrogen and deuterium."
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Published on:
02 December 2022
Publisher:
APS
Published in:
Physical Review D , Volume 106 (2022)
Issue 11
DOI:
https://doi.org/10.1103/PhysRevD.106.112001
arXiv:
2206.11050
Copyrights:
Published by the American Physical Society
Licence:
CC-BY-4.0

Fulltext files: