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Report No.

Problems on TENDL-2015 neutron sub-library and its ACE file

Konno, Chikara; Tada, Kenichi

The nuclear data library TENDL-2015 up to 200 MeV is being used as a standard nuclear data library worldwide, particularly in Europe. We found out the following three problems in the ENDF and ACE files in TENDL-2015 neutron sub-library; (1) no unresolved resonance data in most of the ACE files, (2) no secondary $$gamma$$ data in most of the ACE files, (3) No high-energy $$gamma$$ peaks in the capture reaction of a lot of the ENDF files. We examined effects of these problems and the followings were demonstrated; (1) insufficient self-shielding correction, (2) wrong $$gamma$$ spectra in neutron-$$gamma$$ coupling calculations and wrong DPA cross section data. Secondary $$gamma$$ data of the capture reaction and ACE files in TENDL-2015 neutron sub-library should be revised.



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