Due to the difficulties in procuring and circulating certified uranium or plutonium samples, the ESARDA Working Group on Techniques and Standards for Non-Destructive Assay decided to create a uranium and plutonium reference spectra library in order to help users and programmers of uranium enrichment or plutonium analysis codes to test and perfect their processes.
For the main part, the uranium spectra were obtained in the context of the ESARDA international uranium enrichment exercise organized in 1997 and 1998 and the plutonium spectra in the context of the ESARDA Pu-2000 exercise organized in 2000. Several uranium samples characterized by a known enrichment and plutonium samples characterized by a known isotopic composition were measured using germanium and CZT detectors. The main characteristics of this reference spectrum library are presented here.
- How to use the library (PDF file)
- List of Pu reference spectra (PDF file)
- List of U reference spectra (PDF file)
Plutonium reference spectra