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Träfflista för sökning "WFRF:(Hambsch F. J.) srt2:(2002-2004)"

Search: WFRF:(Hambsch F. J.) > (2002-2004)

  • Result 1-10 of 13
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1.
  • Hambsch, F.-J., F. Tovesson, S. Oberstedt, V. Frisch, A. Oberstedt, B. Fogelberg, and E. Ramström (author)
  • First measurement of the 233Pa Fission Cross Section.
  • 2003
  • In: 10th International Seminar on Interaction of Neutrons with Nuclei. Neutron Spectroscopy, Nuclear Structure, Related Topics, 2003 202. ; , s. 202-
  • Conference paper (peer-reviewed)
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  • Tovesson, F., Hambsch, F.-J., Oberstedt, A., Fogelberg, B., Ramström, E. and Oberstedt, S. (author)
  • The Pa-233 Fission Cross Section
  • 2002
  • In: Proc.of the Int.conf. on Nuclear Data for Science and Technology, Oct.7-12, 2001, Tsukuba, Japan. Journal of Nuclear Science and Technology, Supplement 2, (August 2002) 210.
  • Conference paper (other academic/artistic)
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  • Tovesson, F., V.Fritsch, F.-J.Hambsch, S.Oberstedt, A.Oberstedt, B.Fogelberg, E.Ramstrom (author)
  • The 233Pa fission cross-section
  • 2003
  • In: IRMM Neutron Physics Unit 2002 Scientific Report; EUR 20684 EN.
  • Other publication (other academic/artistic)
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9.
  • Vladuca, G., et al. (author)
  • Calculation of the neutron-induced fission cross section of 233Pa up to 20 MeV
  • 2004
  • In: Nuclear Physics A. - : Elsevier BV. - 0375-9474 .- 1873-1554. ; 740:1-2, s. 3-19
  • Journal article (peer-reviewed)abstract
    • Since very recently, direct measurements of the 233Pa(n,f) cross-section are available in the energy range from 1.0 to 8.5 MeV. This has stimulated a new, self-consistent, neutroncross-section evaluation for the n+233Pa system, in the incident neutron energy range 0.01–20MeV. Since higher fission chances are involved also the lighter Pa-isotopes had to be re-evaluated in a consistent manner. The results are quite different compared to earlier evaluation attempts. Since 233Pa is a key isotope in the thorium based fuel cycle the quality of its reaction cross-sections is important for the modeling of future advanced fuel and reactor concepts. The present status of the evaluated libraries is that they differ by a factor of two in the absolute fissioncross-section and also in the threshold energy value.
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10.
  • Tovesson, Fredrik, et al. (author)
  • 233Pa(n, f) cross section up to En=8.5 MeV
  • 2004
  • In: Nuclear Physics A. - : Elsevier BV. - 0375-9474 .- 1873-1554. ; 733:1-2, s. 3-19
  • Journal article (peer-reviewed)abstract
    • The energy dependence of the neutron-induced fission cross section of 233Pa has been measured directly for the first time from the fission threshold up to En=8.5 MeV. This reaction plays an important role in the thorium-uranium fuel cycle, and is thus of interest for the design and modeling of advanced reactor and transmutation facilities. The existing information in the ENDF/B-VI and JENDL-3.3 evaluated nuclear data files differ by a factor of two for the 233Pa(n, f) cross section values and show different fission threshold energies. Our new experimental data give lower cross section values than both evaluations and resolves the question about the threshold energy. In addition to the experimental investigation, also a new theoretical calculation of the reaction cross section has been performed with the statistical model code STATIS, showing a good agreement with the experimental data.
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  • Result 1-10 of 13

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