Electron neutrino
Subatomic particle / From Wikipedia, the free encyclopedia
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The electron neutrino (
ν
e) is an elementary particle which has zero electric charge and a spin of 1⁄2. Together with the electron, it forms the first generation of leptons, hence the name electron neutrino. It was first hypothesized by Wolfgang Pauli in 1930, to account for missing momentum and missing energy in beta decay, and was discovered in 1956 by a team led by Clyde Cowan and Frederick Reines (see Cowan–Reines neutrino experiment).[1]
Quick Facts Composition, Statistics ...
Composition | Elementary particle |
---|---|
Statistics | Fermionic |
Family | Lepton |
Generation | First |
Interactions | Weak, Gravity |
Symbol | ν e |
Antiparticle | Electron antineutrino ( ν e) |
Theorized | Wolfgang Pauli (1930) |
Discovered | Clyde Cowan, Frederick Reines (1956) |
Mass | Small but non-zero. See neutrino mass. |
Electric charge | 0 e |
Color charge | No |
Spin | 1/2 ħ |
Weak isospin | 1/2 |
Weak hypercharge | −1 |
Chirality | left-handed (for right-handed neutrinos, see sterile neutrino) |
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