Neutronic Design of the Bunker Shielding for the European Spallation Source

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

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review


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.
Original languageEnglish
JournalJournal of Surface Investigation
Issue numberSuppl 1
Pages (from-to)S251-S253
Publication statusPublished - 2020


  • ESS
  • Bunker
  • Neutronics
  • Shielding
  • MCNP


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