A new PGAI-NT setup at the NIPS facility of the Budapest Research Reactor

Prompt gamma activation analysis (PGAA) is a well known tool for non-destructive bulk elemental analysis of objects. The measured concentrations are only representative of the whole sample if it is homogenous; otherwise it provides only a sort of average composition of the irradiated part. In this l...

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Bibliographic Details
Published inJournal of radioanalytical and nuclear chemistry Vol. 278; no. 3; pp. 713 - 718
Main Authors Belgya, T., Kis, Z., Szentmiklósi, L., Kasztovszky, Zs, Festa, G., Andreanelli, L., De Pascale, M. P., Pietropaolo, A., Kudejova, P., Schulze, R., Materna, T.
Format Journal Article
LanguageEnglish
Published Dordrecht Springer Netherlands 01.12.2008
Subjects
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Facilities
Hadrons
Heavy Ions
Inorganic Chemistry
Nuclear Chemistry
Nuclear Physics
Physical Chemistry
Neutron Tomography
Lead Collimator
Neutron Beam
Prompt Gamma Activation Analysis
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Summary:Prompt gamma activation analysis (PGAA) is a well known tool for non-destructive bulk elemental analysis of objects. The measured concentrations are only representative of the whole sample if it is homogenous; otherwise it provides only a sort of average composition of the irradiated part. In this latter case one has to scan the sample to obtain the spatial distribution of the elements. To test this idea we have constructed a prompt gamma activation imaging — neutron tomograph (PGAI-NT) setup at the NIPS station of the Budapest Research Reactor, consisting of a high-resolution neutron tomograph and a germanium gamma-spectrometer. The samples are positioned relative to the intersection of the collimated neutron beam and the projection of the gamma-collimator (isocenter) by using an xyzω-moving table.
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ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-008-1510-0