Title
Systematic errors in 14-MeV neutron activation analysis for oxygen : part 1 : neutron and γ-ray attenuation effectsSystematic errors in 14-MeV neutron activation analysis for oxygen : part 1 : neutron and γ-ray attenuation effects
Author
Faculty/Department
Faculty of Sciences. Chemistry
Research group
Plasma, laser ablation and surface modeling - Antwerp (PLASMANT)
AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Publication type
article
Publication
Amsterdam,
Subject
Chemistry
Source (journal)
Analytica chimica acta. - Amsterdam
Volume/pages
64(1973):2, p. 187-196
ISSN
0003-2670
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
A detailed account is given of neutron and γ-ray attenuation effects in 14-MeV neutron activation analysis of oxygen. Appropriate neutron cross-section values have been determined in two different ways and compared with literature values. It appears that the attenuation process is best described in terms of nonelastic scattering cross-sections. It is also shown that the narrow beam total γ-ray attenuation coefficients at 6 MeV, given in the literature are suitable for correction purposes if 16N γ-rays are counted with a window of 4.56.5 MeV. Attention was paid to the contribution of β-rays when the 16N activity is counted in this energy interval with a NaI(Tl) detector.
E-info
https://repository.uantwerpen.be/docman/iruaauth/e5b234/d497ea87f4b.pdf