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Radioindium and determination of neutron radial asymmetry for the PF-1000 plasma focus device

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Abstract

Indium activation was used for radial neutron distribution measurements. The dense plasma focus device PF-1000 was used as the D–D neutron source. The geometry of the indium samples used to determine the neutron radial asymmetry (R as) was beforehand optimized for sufficient γ–registration efficiency. The samples were placed on the vacuum vessel’s outer wall, activated, and measured by γ-ray spectrometry. The experiment was supported by Monte Carlo calculations of the activation factor, allowing R as to be calculated. The parameters R as and the shift of neutron emission center introduced here are useful for describing D–D neutron emission distributions.

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Acknowledgments

The authors express their thanks to M.Sc. B. Bienkowska from the IPPLM-Neutron Group for her assistance, patience, and support in the form of MCNP calculations. The work leading to this article was funded by the European Atomic Energy Community under the contract of Association between EURATOM and The IPPLM (No. FU07-CT-2007-00061) and is subject to the provisions of the European Fusion Development Agreement.

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Authors and Affiliations

  1. Institute of Plasma Physics and Laser Microfusion, Hery 23, 01-497, Warsaw, Poland

    S. Jednorog, M. Paduch & E. Laszynska

  2. Central Laboratory for Radiological Protection, Konwaliowa 3, 03-194, Warsaw, Poland

    K. Szewczak

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  1. S. Jednorog
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  2. M. Paduch
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  3. K. Szewczak
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  4. E. Laszynska
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Correspondence to S. Jednorog.

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Jednorog, S., Paduch, M., Szewczak, K. et al. Radioindium and determination of neutron radial asymmetry for the PF-1000 plasma focus device. J Radioanal Nucl Chem 303, 941–947 (2015). https://doi.org/10.1007/s10967-014-3444-z

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  • DOI: https://doi.org/10.1007/s10967-014-3444-z

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