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Experimental validation of coincidence summing corrections computed by the ETNA software
Marie-Christine Lépy1, Philippe Brun, Claude Collin
1LNE-LNHB, Laboratoire National Henri Becquerel, CEA Saclay, F-91191 Gif-sur-Yvette CEDEX, France. marie-christine.lepy@cea.fr
Summary
The ETNA software accurately calculates coincidence summing corrections for multi-gamma emitters. Experimental validation confirms its reliability in nuclear physics measurements.
Area of Science:
- Nuclear Physics
- Radiation Detection and Measurement
Background:
- Accurate efficiency transfer and coincidence summing corrections are crucial for quantitative analysis in gamma-ray spectrometry.
- Existing methods may require complex calculations or extensive experimental setups.
Purpose of the Study:
- To validate the coincidence summing correction facility within the ETNA software.
- To compare experimental correction factors with those computed by ETNA.
Main Methods:
- Utilizing point sources of multi-gamma emitters.
- Measuring peak intensity variations across different source-to-detector distances.
- Calculating experimental correction factors based on geometric variations.
- Employing the ETNA code to compute coincidence summing corrections.
Main Results:
- Experimental correction factors were derived from observed changes in relative peak intensities.
- ETNA computed coincidence summing corrections for the same experimental geometries.
- A comparison was made between the experimentally determined and ETNA-calculated correction values.
Conclusions:
- The ETNA software provides a reliable method for calculating coincidence summing corrections.
- Experimental validation supports the accuracy of ETNA's coincidence summing correction facility.
- ETNA simplifies the process of applying these essential corrections in nuclear measurements.
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