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Updated: Jun 24, 2026

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Published on: February 20, 2021
ICRP Publication 107. Nuclear decay data for dosimetric calculations
This report introduces a comprehensive electronic database for radionuclide physical data, essential for radiation protection calculations. It supersedes previous data and will inform future dose coefficient publications for occupational and environmental exposures.
Area of Science:
- Nuclear Physics and Radiation Dosimetry
- Radiochemistry and Environmental Science
Background:
- Existing data on radionuclide physical properties requires updating for accurate radiation protection calculations.
- International Commission on Radiological Protection (ICRP) Publication 38 data is superseded by this new comprehensive database.
Framework:
- An electronic database containing physical data for 1252 radionuclides across 97 elements.
- Includes data on half-lives, decay chains, and emitted radiation energies and yields.
Implementation:
- A CD provides electronic access to complete radiation emission tables, including beta and neutron spectra.
- A Windows-based application allows users to display summary information and export radionuclide emission data for further calculations.
- The database is designed for user-developed software to extract specific radionuclide data for custom calculations.
Implications:
- Facilitates accurate calculations of radionuclide-specific protection and operational quantities.
- Supports future ICRP publications on dose coefficients for occupational and environmental radionuclide exposure.
- Enhances radiation safety assessments and regulatory compliance through readily accessible, updated physical data.
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