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Report No.

JENDL/HE-2007 benchmark test with iron shielding experiment at JAEA/TIARA

Konno, Chikara ; Ota, Masayuki; Kwon, Saerom; Ochiai, Kentaro; Sato, Satoshi

At the last nuclear data symposium we presented the detailed analyses of the iron and concrete shielding experiments with 40 and 65 MeV neutrons at TIARA in JAEA in order to validate FENDL-3.0 and JENDL/HE-2007 and pointed out that calculation results with JENDL/HE-2007 underestimated the measured neutron spectra and calculated ones with FENDL-3.0 in the iron experiment with 65 MeV neutrons. Thus we studied reasons of this underestimation in detail. As a result, we specified that the larger non-elastic scattering cross section data of $$^{56}$$Fe in JENDL/HE-2007 caused the underestimation. The non-elastic scattering data of $$^{56}$$Fe in JENDL/HE-2007 should be revised.



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