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Neutronic Design of the Bunker Shielding for the European Spallation Source

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Abstract

The European Spallation Source bunker is a common shielding area that surrounds the target monolith, protecting the instrument areas from the high dose of ionizing radiation that accompanies the spallation reaction. A comprehensive neutronic work was performed, which took into account dose rates outside the bunker wall and roof, skyshine and activation. A wall with a thickness of 3.5 m and a stepped roof with a thickness of 1–1.5 m, both made of heavy concrete with a density of 3.8 g/cm3, were recognized as the best solution that satisfies the radioprotection requirements for the operation of the facility.

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ACKNOWLEDGMENTS

The neutronic design of the bunker has been performed in close collaboration with the bunker project team led by Z. Lazic.

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Authors and Affiliations

  1. European Spallation Source ERIC, Lund, 225 92, Sweden

    L. Zanini, D. DiJulio, S. Kennedy, E. Klinkby & V. Santoro

  2. DTU Nutech, Technical University of Denmark, 4000, Roskilde, Denmark

    E. Klinkby

Authors
  1. L. Zanini
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  2. D. DiJulio
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  3. S. Kennedy
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  4. E. Klinkby
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  5. V. Santoro
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Corresponding author

Correspondence to L. Zanini.

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Zanini, L., DiJulio, D., Kennedy, S. et al. Neutronic Design of the Bunker Shielding for the European Spallation Source. J. Surf. Investig. 14 (Suppl 1), S251–S253 (2020). https://doi.org/10.1134/S1027451020070538

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  • DOI: https://doi.org/10.1134/S1027451020070538

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