Noun Concept
Categories: Articles with short description, Radioactivity, Ionizing radiation
beta particle  beta radiation  Beta Particles  Beta rays  Tertiary Radiation
A beta particle, also called beta ray or beta radiation, is a high-energy, high-speed electron or positron emitted by the radioactive decay of an atomic nucleus during the process of beta decay. Wikipedia
A name used to refer to high-energy electrons (β & minus;) or positrons (β +) emitted by certain types of radioactive nuclei Wikipedia Disambiguation
Ionizing radiation Wikidata
Ionizing radiation which is produced as a stream of high speed electrons emitted by certain types of radioactive substance when they decay. OmegaWiki
An energetic electron or positron produced as the result of a nuclear reaction or nuclear decay. Wiktionary
Energetic electron or positron. Wiktionary (translation)