DAPNIA-06-127 |
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The neutron capture cross section of $^{232}$Th measured at the n\_{TOF} facility at {CERN} in the unresolved resonance region up to 1~MeV |
G. Aerts et al. |
We have measured the neutron capture reaction yield of $^{232}$Th at the neutron time-of-flight facility n\\_TOF at CERN in the energy range from 1~eV to 1~MeV. The average capture cross section has been extracted in the energy range from 4~keV up to 1~MeV with an overall accuracy better than 4\\%. An independent IAEA evaluation shows good agreement with the data. The average cross section has been expressed in terms of average resonance parameters using the partial waves $\\ell=0,1,$ and 2. |