average life

in nuclear chemistry
https://doi.org/10.1351/goldbook.A00541
Defined for an @A00493@ or nuclear system in a specified state. For an exponentially decaying system, it is the average time for the number of atoms or @N04256@ in a specified state to decrease by a factor e. Synonymous with @M03780@.
Source:
PAC, 1982, 54, 1533. (Glossary of terms used in nuclear analytical chemistry (Provisional)) on page 1536 [Terms] [Paper]
Citation: 'average life' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.A00541 RIS BibTex EndNote
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Last revised: February 24, 2014