Emission of a helium-4 nucleus (alpha particle), reducing atomic mass by 4.
Emission of an electron as a neutron converts into a proton.
Electron emission followed by the immediate release of an alpha particle.
Electron emission followed by the immediate release of five neutrons.
Electron emission followed by the immediate release of four neutrons.
Electron emission followed by the immediate release of a neutron.
Electron emission followed by the immediate release of a proton.
Electron emission followed by the immediate release of seven neutrons.
Electron emission followed by the immediate release of six neutrons.
Beta decay followed by the spontaneous fission of the daughter nucleus.
Electron emission followed by the immediate release of three neutrons.
Electron emission followed by the immediate release of two neutrons.
Emission of a positron (anti-electron) as a proton converts into a neutron.
Positron emission followed by the immediate release of an alpha particle.
Positron emission followed by the immediate release of a proton.
Positron emission followed by the immediate release of two protons.
Simultaneous conversion of two neutrons into two protons with emission of two electrons.
Simultaneous conversion of two protons into two neutrons with emission of two positrons.
Capture of two orbital electrons by the nucleus, typically resulting in two-neutrino emission.
Simultaneous emission of two neutrons from a highly neutron-rich nucleus.
Simultaneous emission of two protons from a highly proton-rich nucleus.
Capture of an inner-shell orbital electron by the nucleus.
Electron capture followed by the emission of an alpha particle.
Competition between electron capture and positron emission.
Electron capture followed by the emission of a proton.
Electron capture followed by the spontaneous fission of the daughter nucleus.
Electron capture followed by the emission of two protons.
De-excitation of a metastable nuclear state via gamma emission or internal conversion.
Direct emission of a neutron from a nucleus, typically in neutron-rich isotopes.
Direct emission of a proton from a nucleus, typically in proton-rich isotopes.
Splitting of a heavy nucleus into two or more lighter nuclei without external provocation.
Complex decay chain involving fission combined with beta/capture processes.
Mechanisms by which an unstable atomic nucleus loses energy by emitting radiation.