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Neutrino oscillation bounds on quantum decoherence

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arxiv 2306.14699 v2 pith:SNJ3ILDZ submitted 2023-06-26 hep-ph hep-ex

Valentina De Romeri , Carlo Giunti , Thomas Stuttard , Christoph A. Ternes This is my paper · ORCID
classification hep-phhep-ex
keywords decoherenceeffectsconsiderdataexperimentsminosneutrinooscillation
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abstract

We consider quantum-decoherence effects in neutrino oscillation data. Working in the open quantum system framework we adopt a phenomenological approach that allows to parameterize the energy dependence of the decoherence effects. We consider several phenomenological models. We analyze data from the reactor experiments RENO, Daya Bay and KamLAND and from the accelerator experiments NOvA, MINOS/MINOS+ and T2K. We obtain updated constraints on the decoherence parameters quantifying the strength of damping effects, which can be as low as $\Gamma_{ij} \lesssim 8 \times 10^{-27}$ GeV at 90% confidence level in some cases. We also present sensitivities for the future facilities DUNE and JUNO.

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Cited by 3 Pith papers

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

  1. Generalized Lindblad master equation for neutrino evolution

    hep-ph 2024-11 conditional novelty 6.0 of 10

    Derives a generalized Lindblad master equation for neutrino evolution with momentum-changing decay and absorption of massless particles, and translates a reactor decoherence bound into a neutrino lifetime limit.

  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.

  3. Quantum Decoherence at ESSnuSB Experiment

    hep-ph 2024-12 conditional novelty 5.0 of 10

    ESSnuSB would set decoherence parameter constraints better than MINOS and comparable to DUNE, with robust CP sensitivity.

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