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Prompt and delayed inelastic scattering reactions from fission neutron irradiation—first results of FaNGaS

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Abstract

A new instrument for fast neutron gamma spectroscopy has been installed and tested at the Forschungsneutronenquelle Heinz Maier-Leibnitz of the MLZ in Garching. A beam with the flux of about 108 cm−2 s−1 fission neutrons is available to irradiate small samples to study inelastic neutron scattering reactions in materials. A number of relevant elements have been investigated and new gamma lines were identified in comparison to existing data libraries. The method seems to be linear with respect to measurement time and sample mass. A particular advantage of fast neutron PGAA compared to thermal neutron PGAA appears in the analysis of materials with high thermal capture cross sections.

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Acknowledgments

We gratefully acknowledge the help of the FRM II reactor operators and radiation protection staff. This work was financially supported by Bundesministerium für Bildung und Forschung, Germany, grant No. 02S9052A.

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Authors and Affiliations

  1. Institute of Energy and Climate Research, IEK-6, Nuclear Waste Management and Reactor Safety, Forschungszentrum Jülich GmbH, 52425, Jülich, Germany

    M. Rossbach, T. Randriamalala & E. Mauerhofer

  2. Forschungs-Neutronenquelle Heinz Maier-Leibnitz (FRM II), Heinz Maier-Leibnitz Zentrum (MLZ), Technische Universität München, 85747, Garching, Germany

    Zs. Revay & S. Söllradl

Authors
  1. M. Rossbach
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  2. T. Randriamalala
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  3. E. Mauerhofer
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  4. Zs. Revay
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  5. S. Söllradl
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Correspondence to M. Rossbach.

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Rossbach, M., Randriamalala, T., Mauerhofer, E. et al. Prompt and delayed inelastic scattering reactions from fission neutron irradiation—first results of FaNGaS. J Radioanal Nucl Chem 309, 149–154 (2016). https://doi.org/10.1007/s10967-015-4665-5

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  • DOI: https://doi.org/10.1007/s10967-015-4665-5

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