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Radioactive Decay

Radioactivity, Kinetics of Decay, Examples
  • Tatjana Jevremovic

Nuclides exist in two main forms, stable and unstable. A nuclide is considered to be stable if there is no proof of its spontaneous transformation into another nuclide. The probability of transformation is characterized by the half-life, which is defined as the time needed for half of the starting amount of an unstable nuclide to transform. Elements above lead are all unstable and have very long half-lives (order of 108–1010 years) compared to the age of the atom (assumed to be formed some 10 billion years ago).

Keywords

Decay Constant Decay Mode Radioactive Decay Internal Conversion Daughter Nucleus 
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.

Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.Purdue University School of Nuclear EngineeringWest LafayetteUSA

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