Recent Results on the Neutron-Induced Fission Cross-Section of 231Pa
Our studies of neutron-induced reactions for advanced nuclear applications have recently been extended to the nuclide 231Pa. In accordance with the heavier isotope 233Pa, which we reported about previously, 231Pa is supposed to play an important role for future reactors involving the thorium-uranium fuel cycle. Thus, 231Pa belongs to the isotopes that were pointed out by the IAEA to be investigated with highest priority.
Although the neutron-induced fission cross-section has been measured before, the compiled experimental results as well as data in existing evaluated data files exhibit quite some differences. For this reason we have performed new experiments with a quasi mono-energetic neutron beam, provided by the Van de Graaff accelerator at IRMM. Recent results, covering the neutron energy range from 0.8 to 20 MeV, will be presented.
OBERSTEDT Andreas;
OBERSTEDT Stephan;
BIRGERSSON Evert;
HAMBSCH Franz-Josef;
FRITSCH Volker;
LOEVESTAM Goeran;
VLADUCA Gheorghita;
TUDORA Anabella;
KORNILOV Nikolai;
2006-11-07
American Institute of Physics
JRC34248
https://publications.jrc.ec.europa.eu/repository/handle/JRC34248,
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