IUPAC Gold Book - lifetime, (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)})(window,document,'script','https://www.google-analytics.comanalytics.js','ga');ga('create', 'UA-82507018-1', 'auto');ga('send', 'pageview'); τ

Entry history for lifetime, $τ$

Date	Update description
2011-07-14	Merged in "mean lifetime, τ " (M03781)
2008-06-20	Item was updated using a new definition from an updated source.
2006-09-29	Taken from the original Gold Book, published in version 1.0.0 of the XML Gold Book.

File	Revision	Date
L03515.xml	16	2011-08-03T12:20:06