A sterile neutrino with a novel density-dependent matter potential Vs resolves multiple oscillation anomalies when Vs is negative and mixing angles are small.
Acerbiet al., (2025), arXiv:2503.21589 [hep-ex]
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Realistic variations in final-state interaction modeling can distort reconstructed neutrino energy spectra in DUNE-like experiments by amounts comparable to or exceeding those from changes in Δm²₃₂ or δ_CP, creating a potential degeneracy.
Model-agnostic treatment of neutrino cross-section ratios degrades CP-violation sensitivity in DUNE and T2HK by 3-4σ, but prospective νSCOPE data restores most of it.
Neutrino interaction model uncertainties from nuclear physics details remain a dominant systematic in oscillation analyses and will require improved modeling plus near-detector constraints to reach the precision goals of next-generation experiments.
citing papers explorer
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Effective Matter Flavor Conversion Mediated by Pseudo-Sterile States as the Possible Origin of Neutrino Oscillation Anomalies
A sterile neutrino with a novel density-dependent matter potential Vs resolves multiple oscillation anomalies when Vs is negative and mixing angles are small.
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The role of final-state interaction modeling in neutrino energy reconstruction and oscillation measurements
Realistic variations in final-state interaction modeling can distort reconstructed neutrino energy spectra in DUNE-like experiments by amounts comparable to or exceeding those from changes in Δm²₃₂ or δ_CP, creating a potential degeneracy.
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Improving the robustness of the $\delta_{CP}$ determination with $\nu$SCOPE
Model-agnostic treatment of neutrino cross-section ratios degrades CP-violation sensitivity in DUNE and T2HK by 3-4σ, but prospective νSCOPE data restores most of it.
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CP-violation or Nuclear Excitation: Reviewing the Role of Neutrino Interaction Model Uncertainties on Accelerator-Based Neutrino Oscillation Measurements
Neutrino interaction model uncertainties from nuclear physics details remain a dominant systematic in oscillation analyses and will require improved modeling plus near-detector constraints to reach the precision goals of next-generation experiments.