articleJournal of High Energy PhysicsSep 1, 2020DIAMOND OA

The fate of hints: updated global analysis of three-flavor neutrino oscillations

IEIvan EstebanMGM.C. Gonzalez-GarciaMMMichele MaltoniTSThomas SchwetzAZAlbert Zhou

Universitat de Barcelona · Institució Catalana de Recerca i Estudis Avançats · +4 more institutions

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Abstract

A bstract Our herein described combined analysis of the latest neutrino oscillation data presented at the Neutrino2020 conference shows that previous hints for the neutrino mass ordering have significantly decreased, and normal ordering (NO) is favored only at the 1 . 6 σ level. Combined with the χ 2 map provided by Super-Kamiokande for their atmospheric neutrino data analysis the hint for NO is at 2 . 7 σ . The CP conserving value δ CP = 180° is within 0 . 6 σ of the global best fit point. Only if we restrict to inverted mass ordering, CP violation is favored at the ∼ 3 σ level. We discuss the origin of these results — which are driven by the new data from the T2K and NOvA long-baseline experiments —, and the…

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Authors

5
  • IE
    Ivan EstebanCorresponding

    Universitat de Barcelona

  • MG
    M.C. Gonzalez-Garcia

    Institució Catalana de Recerca i Estudis Avançats, State University of New York, Stony Brook University, Universitat de Barcelona

  • MM
    Michele Maltoni

    Universidad Autónoma de Madrid

  • TS
    Thomas Schwetz

    Karlsruhe Institute of Technology

  • AZ
    Albert Zhou

    Karlsruhe Institute of Technology

Topics & keywords

Topics
Keywords
  • Neutrino oscillation
  • Neutrino
  • Oscillation (cell signaling)
  • Solar neutrino
  • Solar neutrino problem
  • CP violation
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