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Report No.

Evaluation of neutron nuclear data on tellurium isotopes

Shibata, Keiichi

Neutron nuclear data on $$^{120,121m,122,123,124,125,126,127m,128,129m,130,131m,132}$$Te have been evaluated for the next release of JENDL general purpose file in the energy region from 10$$^{-5}$$ eV to 20 MeV. Concerning the target nuclei for which resolved resonance parameters are unavailable, the thermal capture cross sections were determined from measurements or from a simplified formula. Unresolved resonance parameters were obtained for self-shielding calculations. On the other hand, a statistical model code CCONE was applied to calculate cross sections above the resolved resonance region. Coupled-channel optical-model potentials were employed for the interaction between neutrons and nuclei. Preequilibrium and direct-reaction processes were taken into account in addition to the compound process. The presently evaluated results are consistent with available experimental data, and found to be much better than the JENDL-4.0 evaluation. The evaluated data are compiled into ENDF formatted data files.



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Category:Nuclear Science & Technology



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