The first experimentally detected neutrino was actually an anti-neutrino
the verdict
SUPPORTED
the evidence backs this
confidence 80/100
The first experimentally detected neutrino, discovered by Frederick Reines and Clyde Cowan in 1956 using a nuclear reactor, was indeed an electron antineutrino.
Evidence for · 2
Metal-loaded liquid scintillators for neutrino experiments
2008 · cited by 5
Paper [3] explicitly notes that the early discovery experiment by Reines and Cowan involved antineutrino capture and the delayed neutron-capture signal following antineutrino detection.
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More for · 1
1st Franco–Algerian Workshop on Neutrino Physics
2015 · cited by 1
Paper [8] recounts the discovery of the neutrino in the Cowan-Reines experiment, which utilized a nuclear reactor as a source of antineutrinos.