neutrino(redirected from tau neutrino)
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Related to tau neutrino: tauon
a subatomic particle with an extremely small mass and no electric charge.
In physics, a subatomic particle at rest, with no mass and no electric charge. These particles are constantly flowing through the universe and are not known to affect the matter through which they pass.
a subatomic particle with an extremely small mass (theoretically zero rest mass) and no electric charge.