Results of the EURADOS international comparison exercise on neutron spectra unfolding in Bonner spheres spectrometry

J. M. Gómez-Ros*, R. Bedogni, C. Domingo, J. S. Eakins, N. Roberts, R. J. Tanner

*Corresponding author for this work

Research output: Contribution to journalArticleResearchpeer-review

Abstract

This paper summarizes the results obtained from an international comparison exercise on neutron spectra unfolding in Bonner spheres spectrometry, organized within the activities of EURADOS working group 6: computational dosimetry. Four realistic situations were considered: a medical accelerator, a workplace field, an irradiation room and a skyshine scenario. The reference solutions are presented, given in terms of idealized fluence-energy distributions and dose rates, along with details of their derivation using verified Monte Carlo codes. The wide variety of unfolded results that were submitted by the participants are then provided, with some shown to agree well with the reference solutions but others showing significant energy-dependent discrepancies. Finally, explanations for some of these discrepancies are proposed, along with suggested methods for how they might be improved.

Original languageEnglish
Article number106755
JournalRadiation Measurements
Volume153
DOIs
Publication statusPublished - 1 Apr 2022

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