Flux of helium nuclei.
Flux of high-speed electrons or positrons.
Rare emission of particles larger than alpha particles (e.g., carbon-14).
Interaction of nucleus with an orbital electron, causing its emission.
High-energy electromagnetic waves emitted from the nucleus.
Uncharged subatomic particles with high penetrating power.
Antimatter particle with the same mass as an electron but positive charge.
Positively charged subatomic particles consisting of one hydrogen nucleus.
High-energy electromagnetic waves originating from electron transitions.
Types of ionizing and non-ionizing particles or waves emitted by radionuclides.