Difference between revisions of "Effective half-life"
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Revision as of 18:53, 4 June 2019
Time taken for the activity of a radionuclide in a specified place to halve its activity as a result of all relevant processes. Effective half-life Teff may be determined by:
;
[math] \frac{1}{T_{eff}}=\sum_{i} \frac{1}{T_{i}} [/math]
where Ti is the half-life for process i. Examples of the processes are physical decay of the radionuclide, physiological removal in the body and weathering in the environment.
ICRP Glossary entry - June 2019
