gamma radiation

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gamma radiation

n
1. (Nuclear Physics) electromagnetic radiation emitted by atomic nuclei; the wavelength is generally in the range 1 × 10–10 to 2 × 10–13 metres
2. (General Physics) electromagnetic radiation of very short wavelength emitted by any source, esp the portion of the electromagnetic spectrum with a wavelength less than about 1 × 10–11 metres
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.gamma radiation - electromagnetic radiation emitted during radioactive decay and having an extremely short wavelength
gamma ray
electromagnetic radiation, electromagnetic wave, nonparticulate radiation - radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge
electromagnetic spectrum - the entire frequency range of electromagnetic waves
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They emit penetrating gamma radiation that is much more of a hazard than the alpha or beta radiation from cesium, cobalt, strontium or polonium,' LaMastra said.[3]
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Levine of the Cancer Institute of New Jersey in New Brunswick subjected mice of various ages to strong doses of gamma radiation, which triggered the gene's damage-control response.
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Topics of the 22 invited talks include high-energy neutrino astronomy, the origin of galactic cosmic rays, the highest-energy cosmic rays, cosmic rays and gamma radiation from clusters of galaxies, gamma-ray blazars, non-thermal x-ray emission from supernova remnants, gamma-ray line astronomy, and neutrino telescopes.
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