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beta particle


Definition: an electron, either positively (positron, ß+) or negatively (negatron, ß-) charged, emitted during beta decay of a radionuclide.

Synonym(s): beta ray

See Also: cathode rays, under ray

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.