beta decay

English

Beta decay: a nucleus ejects an electron or positron (e^±). (There is a third type of beta decay, namely electron capture, where the nucleus, instead of ejecting a particle, absorbs a particle, namely an electron.)

Noun

beta decay (countable and uncountable, plural beta decays)

1. (nuclear physics) A nuclear reaction in which a beta particle (electron or positron) is emitted.

Translations

nuclear reaction

• Finnish: beetahajoaminen
• Russian: бета-распад (ru) m (beta-raspad)
• Swedish: betasönderfall n