SMRTR Science & EngineeringApr 8, 2026Quanta Magazine

Experiments Ring the ‘Death Knell’ for Sterile Neutrinos

SMRTR summary

Recent experiments have definitively ruled out the existence of sterile neutrinos, mysterious particles that some scientists theorized could explain dark matter and other cosmic puzzles. These comprehensive studies mark the end of decades-long research into whether a fourth type of neutrino exists beyond the three known varieties, closing the door on this particular avenue of physics exploration.

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