Difference between revisions of "Gamma ray"

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<div class="definition"><div class="short_definition">(Or &#x003b3;-ray, &#x003b3; ray, &#x003b3; radiation, gamma radiation.) [[Electromagnetic radiation]] originating  from transitions between [[energy]] levels of atomic nuclei.</div><br/> <div class="paragraph">A [[nucleus]] formed as a consequence of beta or alpha emission sometimes exists briefly in an  excited [[energy level]] and makes a transition to a lower energy level accompanied by emission of  a gamma ray photon with energy equal to the difference between the energies of the initial and  final levels. Gamma ray energies from radioactive decay lie in the approximate [[range]] 10 keV&ndash;6  MeV. Gamma rays are also emitted in nuclear reactions. The boundary between x-rays and gamma  rays is fuzzy, the latter term being most often used for electromagnetic radiation of nuclear origin.</div><br/> </div><div class="reference">Boorse, H. A., and L. Motz 1966. The World of the Atom. Vol. I, . 446&ndash;448. </div><br/>  
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<div class="definition"><div class="short_definition">(Or &#x003b3;-ray, &#x003b3; ray, &#x003b3; radiation, gamma radiation.) [[electromagnetic radiation|Electromagnetic radiation]] originating  from transitions between [[energy]] levels of atomic nuclei.</div><br/> <div class="paragraph">A [[nucleus]] formed as a consequence of beta or alpha emission sometimes exists briefly in an  excited [[energy level]] and makes a transition to a lower energy level accompanied by emission of  a gamma ray photon with energy equal to the difference between the energies of the initial and  final levels. Gamma ray energies from radioactive decay lie in the approximate [[range]] 10 keV&ndash;6  MeV. Gamma rays are also emitted in nuclear reactions. The boundary between x-rays and gamma  rays is fuzzy, the latter term being most often used for electromagnetic radiation of nuclear origin.</div><br/> </div><div class="reference">Boorse, H. A., and L. Motz 1966. The World of the Atom. Vol. I, . 446&ndash;448. </div><br/>  
 
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Latest revision as of 16:02, 25 April 2012



gamma ray

(Or γ-ray, γ ray, γ radiation, gamma radiation.) Electromagnetic radiation originating from transitions between energy levels of atomic nuclei.

A nucleus formed as a consequence of beta or alpha emission sometimes exists briefly in an excited energy level and makes a transition to a lower energy level accompanied by emission of a gamma ray photon with energy equal to the difference between the energies of the initial and final levels. Gamma ray energies from radioactive decay lie in the approximate range 10 keV–6 MeV. Gamma rays are also emitted in nuclear reactions. The boundary between x-rays and gamma rays is fuzzy, the latter term being most often used for electromagnetic radiation of nuclear origin.

Boorse, H. A., and L. Motz 1966. The World of the Atom. Vol. I, . 446–448.


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