Title: absolute full energy peak efficiency
Long Title: IUPAC Gold Book - absolute full energy peak efficiency
DOI: 10.1351/goldbook.A00023
Status: current

Definition
Of a radiation spectrometer, the counting efficiency when considering only the events recorded in the full energy peak.

Related Terms
- counting efficiency: https://goldbook.iupac.org//terms/view/C01377
- full energy peak: https://goldbook.iupac.org//terms/view/F02546
- radiation: https://goldbook.iupac.org//terms/view/R05048
- spectrometer: https://goldbook.iupac.org//terms/view/S05837

Source
- PAC, 1982, 54, 1533. 'Glossary of terms used in nuclear analytical chemistry (Provisional)' on page 1543 (https://doi.org/10.1351/pac198254081533)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/A00023/html
- json: https://goldbook.iupac.org/terms/view/A00023/json
- xml: https://goldbook.iupac.org/terms/view/A00023/xml

Citation: Citation: 'absolute full energy peak efficiency' 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.A00023
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Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.
Accessed: 2026-04-21T15:18:24+00:00