Correction for neutron self-shielding and gamma-ray self-absorption in prompt-gamma activation analysis for large and irregularly shaped samples
László Szentmiklósi, Zoltán Kis, Boglárka Maróti, László Horváth
Abstract
Prompt-gamma activation analysis (PGAA) has been extended and validated to measure large and irregularly shaped samples. The detailed sample geometry was implemented in the MCNP-model of the setup and accurate matrix-effect corrections were obtained.
Topics & Concepts
Electromagnetic shieldingNeutronMeasure (data warehouse)Gamma rayNeutron activationMaterials scienceAbsorption (acoustics)Neutron activation analysisSample (material)Neutron captureMatrix (chemical analysis)RadiochemistryComputational physicsNuclear physicsPhysicsChemistryComputer scienceComposite materialData miningThermodynamicsNuclear Physics and ApplicationsRadiation Shielding Materials AnalysisRadioactivity and Radon Measurements