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Quantum Decoherence effects on precision measurements at DUNE and T2HK

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arxiv 2402.16395 v2 pith:KC5KL2S5 submitted 2024-02-26 hep-ph hep-ex

classification hep-phhep-ex
keywords dunet2hkdecoherenceeffectsmeasurementmeasurementsneutrinoparameters
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We investigate the potential impact of neutrino quantum decoherence on the precision measurements of standard neutrino oscillation parameters in the DUNE and T2HK experiments. We show that the measurement of $\delta_\text{CP}$, $\sin^2\theta_{13}$ and $\sin^2\theta_{23}$ is stronger effected in DUNE than in T2HK. On the other hand, DUNE would have a better sensitivity than T2HK to observe decoherence effects. By performing a combined analysis of DUNE and T2HK we show that a robust measurement of standard parameters would be possible, which is not guaranteed with DUNE data alone.

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Forward citations

Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Neutrino Flavour Waves Through the Quantum Vacuum: A Theory of Oscillations

    hep-ph 2024-11 conditional novelty 6.0 of 10

    A new framework treats neutrino flavour changes as wave refraction in the Higgs vacuum, reproducing the standard oscillation probability while predicting a universal neutrino speed and massless production.

  2. Impact of different neutrino decoherence formalisms at the future long-baseline Experiments

    hep-ph 2026-04 unverdicted novelty 5.0 of 10

    Two bases for the neutrino decoherence matrix yield identical vacuum probabilities at small Gamma but diverge at large Gamma or with strong matter effects, altering chi-squared sensitivities at DUNE and P2SO.

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