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Super Neutrino or Dark Matter Particle?

Summary by L'Express
Highly unusual neutrino or first hint of mysterious dark matter? An event detected by a “neutrino detector” in 2023, and initially attributed to an “impossible” neutrino, could have been something much more intriguing. The particle in question, detected by a machine called KM3NeT, was so high in energy—35 times more powerful than the most powerful neutrinos ever detected—that it hardly qualified as a neutrino. But that was the only plausible exp…
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Highly unusual neutrino or first hint of mysterious dark matter? An event detected by a “neutrino detector” in 2023, and initially attributed to an “impossible” neutrino, could have been something much more intriguing. The particle in question, detected by a machine called KM3NeT, was so high in energy—35 times more powerful than the most powerful neutrinos ever detected—that it hardly qualified as a neutrino. But that was the only plausible exp…

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L'Express broke the news in on Thursday, July 3, 2025.
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