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Updated: May 11, 2026
10:58
Parametric Optimization Design Method for Friction Plates of Hydro-Viscous Clutches
Published on: July 22, 2025
Validation of efficiency transfer for Marinelli geometries
Laurent Ferreux1, Sylvie Pierre, Tran Thien Thanh
1CEA, LIST, Laboratoire National Henri Becquerel, Gif-sur-Yvette F-91191, France. laurent.ferreux@cea.fr
Summary
This study validates the ETNA efficiency transfer code for large volume samples, like Marinelli geometries, crucial for environmental gamma-ray spectrometry when direct calibration is unavailable.
Area of Science:
- Environmental science
- Nuclear physics
- Analytical chemistry
Background:
- Gamma-ray spectrometry is vital for environmental measurements.
- Laboratories often face challenges calibrating for non-standard sample geometries.
- Efficiency transfer codes offer a potential solution for such calibration needs.
Purpose of the Study:
- To validate the ETNA efficiency transfer code for large volume sources.
- To assess the applicability of ETNA for Marinelli geometries in gamma-ray spectrometry.
- To compare ETNA's performance against established simulation and experimental methods.
Main Methods:
- The ETNA code was employed for efficiency transfer calculations.
- Monte Carlo simulations using PENELOPE served as a primary comparison.
- Experimental data from a high-purity germanium (HPGe) detector were utilized for validation.
Main Results:
- ETNA's performance was evaluated against PENELOPE simulations.
- The code's predictions were subsequently compared with experimental measurements.
- Validation focused on the accuracy of efficiency transfer for complex geometries.
Conclusions:
- The study provides crucial validation data for the ETNA code.
- Findings support the use of ETNA for environmental sample characterization in challenging geometries.
- This research enhances the reliability of gamma-ray spectrometry in environmental monitoring.
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