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gamma ray
(redirected from Gamma particle)

    Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
gamma ray
n.
Electromagnetic radiation emitted by radioactive decay and having energies in a range from ten thousand (104) to ten million (107) electron volts.
gamma ray
A stream of high-energy electromagnetic radiation given off by an atomic nucleus undergoing radioactive decay. Because the wavelengths of gamma rays are shorter than those of x-rays, gamma rays have greater energy and penetrating power than x-rays. Gamma rays are emitted by pulsars, quasars, and radio galaxies but cannot penetrate the Earth's atmosphere. See more at radioactive decay.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.gamma ray - electromagnetic radiation emitted during radioactive decay and having an extremely short wavelength
gamma radiation
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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Crashing down all around us is wide-band radiation from the sun, cosmic gamma particles from distant exploding stars, background radiation from nuclear tests and accidents and the combined output of many high-powered terrestrial radio transmitter towers.
A WORD IN YOUR EAR; 'This kind of radiation does have a variety of ... by Huddersfield Daily Examiner (Huddersfield, England)
The IR camera provides night vision capability, while the EPD has a 100 percent detection rate of alpha, beta and gamma particles using several diode detectors, according to TARDEC spokesman Paul D.
Robot searches under cars for bombs by Rietze, Susan / National Defense
 
 
 
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