Development and applications of k0 based NAA and prompt gamma-ray NAA methods at BARC |
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| Authors: | R. Acharya A. G. C. Nair K. Sudarshan A. Goswami A. V. R. Reddy |
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| Affiliation: | (1) Radiochemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400 085, India |
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| Abstract: | A summary of k 0-based R&D work on neutron activation analysis (NAA), internal mono standard NAA (IM-NAA) and prompt gamma-ray NAA (PGNAA) is presented. The k 0-based NAA was standardized by characterizing irradiation sites of research reactors, validated using reference materials and applied to samples of different origin. Recently IM-NAA method was developed, validated for small and large size samples and applied for the analysis of large size as well as non-standard geometry samples. Studies on PGNAA included characterization of neutron beam, determinations of detection efficiency and prompt k 0-factors, and analytical applications. |
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