In Gaussian wave-packet QFT, flavor oscillations switch on only after a propagation-time threshold set by the wave-packet energy uncertainty and the intermediate particle's decay width; below it the neutrino is purely virtual.
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For small decoherence strengths the two prescriptions agree in vacuum, but in matter they give different probabilities and different DUNE/P2SO bounds and sensitivity projections.
First JUNO data yields competitive bounds on decoherence and invisible decay parameters in neutrino oscillations while preserving standard oscillation measurements.
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Real and Virtual Propagation in Neutrino Oscillations
In Gaussian wave-packet QFT, flavor oscillations switch on only after a propagation-time threshold set by the wave-packet energy uncertainty and the intermediate particle's decay width; below it the neutrino is purely virtual.
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Impact of different neutrino decoherence formalisms at the future long-baseline Experiments
For small decoherence strengths the two prescriptions agree in vacuum, but in matter they give different probabilities and different DUNE/P2SO bounds and sensitivity projections.
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Probing damping effects in neutrino oscillations with the first JUNO data
First JUNO data yields competitive bounds on decoherence and invisible decay parameters in neutrino oscillations while preserving standard oscillation measurements.