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Quantum Dissipative Effects and Neutrinos : current constraints and future perspectives

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arxiv hep-ph/0009222 v2 pith:4Y3FYGHC submitted 2000-09-19 hep-ph

Quantum Dissipative Effects and Neutrinos : current constraints and future perspectives

classification hep-ph
keywords neutrinoquantumdecoherencegammaconstraintseffectsexperimentsfuture
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We establish the most stringent experimental constraints coming from recent terrestrial neutrino experiments on quantum mechanical decoherence effects in neutrino systems. Taking a completely phenomenological approach, we probe vacuum oscillations plus quantum decoherence between two neutrino species in the channels $\nu_\mu \to \nu_\tau$, $\nu_\mu \to \nu_e$ and $\nu_e \to \nu_\tau$, admitting that the quantum decoherence parameter $\gamma$ is related to the neutrino energy $E_\nu$ as : $\gamma=\gamma_0 (E_\nu/\text{GeV})^{n}$, with $n=-1,0,1$ and 2. Our bounds are valid for a neutrino mass squared difference compatible with the atmospheric, the solar and, in many cases, the LSND scale. We also qualitatively discuss the perspectives of the future long baseline neutrino experiments to further probe quantum dissipation.

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Cited by 3 Pith papers

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  1. Visible Neutrino Decay As An Open Quantum System

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    A fully general open quantum system description of arbitrarily complex oscillating and decaying neutrino systems is developed and shown to be implementable via Lindblad equations, Liouvillian superoperators, and Kraus...

  2. Ultralight dark matter search in a large liquid scintillator detector

    hep-ph 2025-12 conditional novelty 5.0

    A JUNO-like detector could constrain the neutrino–ultralight-dark-matter oscillation-modulation parameters to ηΔ21 < 2.5×10^-2 and ηΔ31 < 5×10^-3 at 90% CL.

  3. Probing damping effects in neutrino oscillations with the first JUNO data

    hep-ph 2026-06 unverdicted novelty 4.0

    First JUNO data yields competitive bounds on decoherence and invisible decay parameters in neutrino oscillations while preserving standard oscillation measurements.