Au and Mn reaction rate measurements for high-energy neutron transport code validation for spallation sources

K. van der Meer, H.A. Abderrahim, S. Dekelver, F. Van Gestel, E. Malambu, J. Oeyen, M. Willekens, E.H. Lehmann, M. Daum, Y. Foucher, W. Hajdas, H.-P. Linder, D. Bar, D. Berkovits, I. Mardor, D. Saphier, A. Shor, Y. Yariv, M.B. Goldberg, J. Gerber

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Spallation-neutron fluence distributions and integral yields for protons of Ep=300-590 MeV incident on thick Pb/Bi targets immersed in a water bath have been determined. The results constitute a data-base pertinent to a well-defined, representative configuration for practicable, high-intensity spallation neutron sources at these intermediate beam energies. They include neutron-fluence distributions based on Au and Mn reaction rates around a thick Pb/Bi target at Ep=300, 420 and 590 MeV and total n/p values at 420 and 590 MeV, respectively. The latter agree well with previously-measured values, but are of higher precision. Such a database permits accurate benchmarking and detailed inter-comparison of particle-transport-code predictions.
Original languageEnglish
Title of host publicationProceedings of the 11th International Symposium on Reactor Dosimetry. Reactor Dosimetry in the 21st Century, 397-404, 2003
Place of PublicationSingapore
PublisherSingapore : World Scientific
Pages397 - 404
ISBN (Print)981-238-448-0
StatePublished - 2002

Keywords

  • neutron activation analysis
  • neutron sources
  • neutron transport theory
  • nuclear spallation
  • proton-nucleus reactions

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