All articles tagged with #sterile neutrino
Decades of hints for a light sterile neutrino have collapsed after recent null results (KATRIN and MicroBooNE, plus reactor and gallium studies), effectively ruling out the simplest sterile-neutrino explanation for several anomalies. While the LSND/Miniboone/gallium puzzles remain unexplained, physicists are pursuing more complex neutrino scenarios and await data from JUNO, DUNE, and Isodar to map neutrino masses and oscillations.
New results from the MicroBooNE experiment have ruled out the existence of the long-suspected sterile neutrino, narrowing the options for explaining neutrino anomalies and paving the way for future research into other exotic particles and fundamental questions in physics.
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.
The MicroBooNE experiment searched for light sterile neutrinos using two neutrino beams and found no evidence supporting their existence, thereby strongly constraining the parameter space that could explain previous anomalies observed in short-baseline neutrino experiments.