# Decay Mode

Disappearance of a radioactive substance due to nuclear emission of an α or β particle, capture of an atomic electron, or spontaneous fission. In rare instances proton, neutron, or light element (for example 14C) emission can occur. When a large amount of decay energy is available, β-delayed emission of neutrons, protons, and other particles may occur.

Some or all content above used with permission from J. H. Wittke.

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