critical energy (threshold energy)

https://doi.org/10.1351/goldbook.C01393
A chemical reaction cannot occur, except by @Q04989@ unless the total energy available is greater than a certain energy, which is known as the critical energy, or the @T06366@.
Source:
PAC, 1996, 68, 149. (A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)) on page 162 [Terms] [Paper]
Citation: 'critical energy' 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.C01393 RIS BibTex EndNote
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Last revised: February 24, 2014