Combined fit to 839048 atmospheric neutrino events from three experiments plus reactor data yields competitive mixing parameters with preference for normal mass ordering.
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Abubakaret al.(T2K, NOvA), Nature646, 818 (2025), arXiv:2510.19888 [hep-ex]
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Super-Kamiokande measures the flux-averaged muon neutrino and antineutrino charged-current cross section at 500-5000 GeV as (0.51 ± 0.11) × 10^{-38} cm² GeV^{-1}.
Concurrence minima in neutrino oscillations identify low-entanglement energy regions that, when aligned with NOνA and T2K data, yield tighter joint constraints on sin²θ₂₃, δ_CP, and Δm²₃₁.
Octonionic Cl(6) flavor structure yields φ12 = -2χ for quarks and real lepton amplitudes unless identity-flavor plane mixing occurs.
Reanalysis of CMS ttγ data shows a 2.7σ localized excess in m_ℓℓγ at 152 GeV compatible with S → W⁺W⁻γ from a narrow scalar, yielding a ratio σ(S → W⁺W⁻γ)/σ(S → W⁺W⁻) = (2.14 ± 0.77)%.
CPT violation parametrized by δΔm²₃₁ induces a phase shift degenerate with δ_CP; existing atmospheric data constrains |δΔm²₃₁| ≤ 0.57×10^{-3} eV² at 90% CL.
Proposes a new up-down flux ratio for sub-GeV atmospheric neutrinos to measure δ_CP, potentially exceeding T2HK sensitivity near 90° and 270° at Hyper-Kamiokande.
Simulation shows LArTPC blips from neutron inelastic scattering can identify neutrons and reconstruct final-state neutron direction and energy in sub-GeV neutrino interactions.
The quantum Fisher information matrix applied to three-flavor neutrino oscillations reveals that probability degeneracies do not always imply quantum-state indistinguishability.
T2K and NOνA extract only a small fraction of the quantum information about δ_CP, with extraction efficiency particularly suppressed near maximal CP violation.
Normal and inverted neutrino mass orderings tend to occupy different regions in ternary space when supernova neutrino flavor compositions are plotted across several models.
ResNet models classify four particle types and regress vertex, direction, and momentum in Hyper-Kamiokande with resolutions matching likelihood methods but at 30,000-50,000x faster inference on GPU.
Mu-tau interchange symmetry in the lepton mixing matrix leads to a potential divergence when tracing individual muon and tau neutrino fractions from astrophysical sources, so that only their sum plus the electron fraction can be extracted in the exact symmetry limit.
Using Hermitian elements of J3(OC) and cubic ladders for mass ratios as inputs, the paper constructs an effective bridge ansatz for two-generation mixing, deriving the local phase law φ12=-2χ in the quark sector with a fitted effective Cabibbo phase of ~105.7°.
SuSAv2 and RDWIA models are compared to experimental data on charged-current neutrino-induced single-pion production on carbon targets across neutrino energies from hundreds of MeV to 20 GeV.
A review summarizing recent progress in high-intensity polarized muon beams for precision muonium physics, new physics searches, and materials science applications.
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Atmospheric Neutrino Oscillations: the Full Picture
Combined fit to 839048 atmospheric neutrino events from three experiments plus reactor data yields competitive mixing parameters with preference for normal mass ordering.
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TeV-scale neutrino cross-section measurement using upward through-going muons in Super-Kamiokande
Super-Kamiokande measures the flux-averaged muon neutrino and antineutrino charged-current cross section at 500-5000 GeV as (0.51 ± 0.11) × 10^{-38} cm² GeV^{-1}.
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Quantum Information as a New Lens for Precision Neutrino Physics
Concurrence minima in neutrino oscillations identify low-entanglement energy regions that, when aligned with NOνA and T2K data, yield tighter joint constraints on sin²θ₂₃, δ_CP, and Δm²₃₁.
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Leptonic CP Conservation and the Quark CP Phase from Octonionic Flavor Structure
Octonionic Cl(6) flavor structure yields φ12 = -2χ for quarks and real lepton amplitudes unless identity-flavor plane mixing occurs.
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Radiative Signature of New Scalar Boson Decays in the $m_{\ell \ell \gamma}$ Spectrum at the LHC
Reanalysis of CMS ttγ data shows a 2.7σ localized excess in m_ℓℓγ at 152 GeV compatible with S → W⁺W⁻γ from a narrow scalar, yielding a ratio σ(S → W⁺W⁻γ)/σ(S → W⁺W⁻) = (2.14 ± 0.77)%.
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When CPT Violation Hides in Plain Sight: How CP Measurements Are Compromised and How to Fix Them
CPT violation parametrized by δΔm²₃₁ induces a phase shift degenerate with δ_CP; existing atmospheric data constrains |δΔm²₃₁| ≤ 0.57×10^{-3} eV² at 90% CL.
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Towards Measuring the CP-Violating Phase with Atmospheric Neutrinos
Proposes a new up-down flux ratio for sub-GeV atmospheric neutrinos to measure δ_CP, potentially exceeding T2HK sensitivity near 90° and 270° at Hyper-Kamiokande.
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Neutron Reconstruction via Blips in Liquid Argon Time Projection Chambers
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Multiparameter Quantum Estimation and Degeneracy Structure in Three-Flavor Neutrino Oscillations
The quantum Fisher information matrix applied to three-flavor neutrino oscillations reveals that probability degeneracies do not always imply quantum-state indistinguishability.
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Leptonic CP Phase Determination from Fisher Information in NO$\nu$A and T2K
T2K and NOνA extract only a small fraction of the quantum information about δ_CP, with extraction efficiency particularly suppressed near maximal CP violation.
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Investigating the Neutrino Mass Ordering Problem via Ternary Plots
Normal and inverted neutrino mass orderings tend to occupy different regions in ternary space when supernova neutrino flavor compositions are plotted across several models.
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Enhancing Event Reconstruction in Hyper-Kamiokande with Machine Learning: A ResNet Implementation
ResNet models classify four particle types and regress vertex, direction, and momentum in Hyper-Kamiokande with resolutions matching likelihood methods but at 30,000-50,000x faster inference on GPU.
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Potential divergence in tracing $\mu$ and $\tau$ flavors of astrophysical neutrinos
Mu-tau interchange symmetry in the lepton mixing matrix leads to a potential divergence when tracing individual muon and tau neutrino fractions from astrophysical sources, so that only their sum plus the electron fraction can be extracted in the exact symmetry limit.
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Fermion Mixing Matrices and the Exceptional Jordan Algebra
Using Hermitian elements of J3(OC) and cubic ladders for mass ratios as inputs, the paper constructs an effective bridge ansatz for two-generation mixing, deriving the local phase law φ12=-2χ in the quark sector with a fitted effective Cabibbo phase of ~105.7°.
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Charged-Current Neutrino-Induced Single-Pion Production in the Superscaling Approach and Relativistic Distorted-Wave Impulse Approximation
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