Study of DPA cross sections in FENDL-3.1c for neutronics calculations of A-FNS

Kwon, Saerom*; Konno, Chikara ; Ota, Masayuki*; Ochiai, Kentaro*; Suzuki, Hiromitsu*

We have studied reasons of an unphysical dip around 20 MeV in the DPA energy spectrum calculated with FENDL-3.1c for the A-FNS design. It was found out that recoil nuclei data etc. in $^{56}$ Fe of FENDL-3.1c had some problems around 20 MeV. The unphysical dip around 20 MeV in the DPA energy spectrum was resolve by modifying the problems. This issue occurred in not only $^{56}$ Fe but also a lot of nuclei of FENDL-3.1c. FENDL-3.1c should be revised.

Language	:	Japanese
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Meeting title	:	日本原子力学会2018年春の年会
Held date	:	2018/03
Location (city)	:	吹田
Location (country)	:	日本
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Registration No. : BB20171741
JAEA Abstracts No. :
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