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In beta-plus decay, the nucleus of an atom of atomic number Z and mass number A emits a positively-charged electron (positron) and a neutrino to form an atom of atomic number Z-1 and mass number A. (Adapted from [[ICRP Publication 107]], 2007)
''[[ICRP Glossary]] entry - June 2019'' '''Return to [[ICRP Glossary|Glossary]]'''