Calculation of true coincidence summing corrections for extended sources with EFFTRAN

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A deterministic code was developed for the calculation of true coincidence summing correction factors and has been incorporated into the EFFTRAN tool. The approach is aimed at the analysis of extended samples measured on p-type HPGe detectors in environmental gamma-ray spectrometry and was verified against the results of a state-of-the-art full Monte Carlo code. The two sets of results matched on average within 1%. Our code requires no measurements in addition to a standard full-energy-peak calibration, has a very short run time and takes into account the spatial variation of the effciency across the sample volume. The EFFTRAN code is free software, available from the authors on request.


Original languageEnglish
Pages (from-to)908-911
JournalApplied Radiation and Isotopes
Issue number6
Publication statusPublished - Jun 2011


  • Gamma-ray spectrometry, Extended samples, True coincidence summing corrections, Calculation, EFFTRAN

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