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Radioactive Decay

  • Gopal B. Saha

Abstract

Approximately 1800 nuclides have been discovered thus far, and the majority of them are unstable. Unstable nuclei decay by spontaneous fission, α-particle, ß-particle or γ-photon emission, or electron capture, in order to achieve stability. The stability of a nuclide is governed by the structural arrangement and binding energy of the nucleons in the nucleus. One criterion of stability is the neutron to proton ratio (N/Z) of the stable nuclides, and the radionuclides decay to achieve the N/Z of the nearest possible stable nuclide. Radioactive decay by particle emission or electron capture changes the atomic number of the radionuclide, whereas decay by photon emission does not.

Keywords

Count Rate Disintegration Rate Electron Capture Particle Emission Internal Conversion 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Suggested Reading

  1. Chandra R (1976) Introductory physics of nuclear medicine. Lea & Febiger, PhiladelphiaGoogle Scholar
  2. Chase GD, Rabinowitz JL (1970) Principles of radioisotope methodology, 3rd edn. Burgess, MinneapolisGoogle Scholar
  3. Evans RD (1955) The atomic nucleus. McGraw-Hill, New YorkGoogle Scholar
  4. Friedlander G, Kennedy JW, Miller JM (1964) Nuclear and radiochemistry, 2nd edn. Wiley, New YorkGoogle Scholar
  5. Lederer CM, Hollander JM, Perlman I (1969) Table of isotopes, 6th edn. Wiley, New YorkGoogle Scholar

Copyright information

© Springer Science+Business Media New York 1979

Authors and Affiliations

  • Gopal B. Saha
    • 1
  1. 1.University of Arkansas for Medical SciencesLittle RockUSA

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