04878 IUPAC Gold Book - prompt coincidence 10.1351/goldbook.P04878 P04878 current 1 The occurrence of two or more events separated by a time interval which is less than a specified small value. PAC, 1982, 54, 1533. 'Glossary of terms used in nuclear analytical chemistry (Provisional)' on page 1537 (https://doi.org/10.1351/pac198254081533) https://goldbook.iupac.org/terms/view/P04878/html https://goldbook.iupac.org/terms/view/P04878/json https://goldbook.iupac.org/terms/view/P04878/plain Citation: 'prompt coincidence' 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.P04878 The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . 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. 2026-04-19T07:11:55+00:00