Physicists End Decade-Long Search, Rule Out Elusive Sterile Neutrino

TL;DR Summary
The KATRIN experiment has conducted the most sensitive search yet for sterile neutrinos using tritium beta-decay measurements, but found no evidence for their existence, thereby narrowing the parameter space and challenging previous anomalies suggesting such particles. Future data collection and upgrades aim to further explore higher mass ranges, potentially shedding light on dark matter candidates.
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- After ten years and billions of collisions, US physicists rule out a long-suspected ghost particle Moneycontrol
- Scientists Rule Out Elusive Sterile Neutrino After 10-Year Hunt, Shaking Particle Physics Gadgets 360
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