A 30-Year Physics Mystery Takes a Sharp Turn: This Bizarre Particle Doesn’t Actually Exist

New results from the MicroBooNE experiment rule out the existence of a sterile neutrino, reshaping how scientists think about long-standing neutrino anomalies. After many years of investigation, researchers working on the Micro Booster Neutrino Experiment (MicroBooNE) have concluded that a proposed particle known as the sterile neutrino does not exist. This particle had been widely [...]