Definition of Alpha Radiation

Definition: Alpha radiation is ionizing radiation resulting from the decay of radioisotopes where an alpha particle is emitted. This radiation is denoted by the Greek letter α.

Examples: When Uranium-238 decays into Thorium-234, an alpha particle is produced in the form of alpha radiation.

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Helmenstine, Anne Marie, Ph.D. "Definition of Alpha Radiation." ThoughtCo, Jun. 18, 2014, thoughtco.com/definition-of-alpha-radiation-606331. Helmenstine, Anne Marie, Ph.D. (2014, June 18). Definition of Alpha Radiation. Retrieved from https://www.thoughtco.com/definition-of-alpha-radiation-606331 Helmenstine, Anne Marie, Ph.D. "Definition of Alpha Radiation." ThoughtCo. https://www.thoughtco.com/definition-of-alpha-radiation-606331 (accessed May 20, 2018).