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Characterization of dry tube location in KAMINI reactor towards the development of k0-based IM-NAA

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Abstract

Characterization studies were carried out for the freshly installed dry tubes (DT-1 and DT-2) in KAMINI reactor. The maximum gold equivalent neutron flux at 20 kW for DT-1 and DT-2 were found to be (1.02 ± 0.02)E+10 cm−2 s−1 at 368 and (4.90 ± 0.30)E+7 cm−2 s−1 at 300 mm respectively. The sub-cadmium to epithermal neutron flux ratio (f) and epithermal neutron flux shape factor (α) were found to be 144 ± 7 and − 0.289 ± 0.010 respectively at this position for DT-1 alone. These parameters were validated by analyzing the IAEA standard (SL-1) and applied to analyze jarosite samples using k0-based internal monostandard neutron activation analysis.

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Acknowledgements

We sincerely thank the reactor operational engineers of KAMINI reactor for their valuable support towards the irradiation experiments. We also thank health physicists and reactor physicists of IGCAR for their help for the radiation dose measurements of irradiated samples.

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Authors and Affiliations

  1. Homi Bhabha National Institute (HBNI), Indira Gandhi Centre for Atomic Research, Kalpakkam, 603102, India

    Manish Chand & R. Kumar

  2. Fuel Chemistry Division, Indira Gandhi Centre for Atomic Research, Kalpakkam, 603102, India

    Manish Chand, J. S. Brahmaji Rao, G. V. S. Ashok Kumar & R. Kumar

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  1. Manish Chand
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  2. J. S. Brahmaji Rao
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  3. G. V. S. Ashok Kumar
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Correspondence to R. Kumar.

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Chand, M., Brahmaji Rao, J.S., Ashok Kumar, G.V.S. et al. Characterization of dry tube location in KAMINI reactor towards the development of k0-based IM-NAA. J Radioanal Nucl Chem 322, 147–155 (2019). https://doi.org/10.1007/s10967-019-06632-4

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  • DOI: https://doi.org/10.1007/s10967-019-06632-4

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