Title: kinetic energy release distribution
Long Title: IUPAC Gold Book - kinetic energy release distribution
DOI: 10.1351/goldbook.12458
Status: current

Definition
Distribution of values of translational energies in the center-of-mass reference for an ensemble of metastable ions undergoing a specific dissociation reaction.

Note
In this context, kinetic energy is interpreted as translational, rather than vibrational or rotational, kinetic energy.

Related Term
- mass-analyzed ion kinetic energy spectrometry (MIKES): https://goldbook.iupac.org//terms/view/12476

Source
- PAC, 2013, 85, 1515. 'Definitions of terms relating to mass spectrometry (IUPAC Recommendations 2013)' on page 1558 (https://doi.org/10.1351/PAC-REC-06-04-06)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/12458/html
- json: https://goldbook.iupac.org/terms/view/12458/json
- xml: https://goldbook.iupac.org/terms/view/12458/xml

Citation: Citation: 'kinetic energy release distribution' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.12458
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Accessed: 2026-07-12T09:00:07+00:00