On 54Fe neutron cross section importance in iron

被引：8

作者：

Schulc, Martin ^{[1
]}

Kostal, Michal ^{[1
]}

Harutyunyan, Davit ^{[1
]}

Baron, Petr ^{[1
]}

Novak, Evzen ^{[1
]}

机构：

[1] Res Ctr Rez, Hlavni 130, Husinec Rez 25068, Czech Republic

来源：

APPLIED RADIATION AND ISOTOPES | 2017年 / 128卷

关键词：

Fe-54; Iron; Cross section; Cf-252; NUCLEAR-DATA LIBRARY; SCIENCE;

D O I：

10.1016/j.apradiso.2017.06.025

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The presented paper aims to evaluate the importance of Fe-54 XS in iron by means of measuring the reaction rates of the selected reactions on Fe-54 and measuring a fast neutron leakage spectra from the iron sphere of 100 cm in diameter by a stilbene scintillation detector with subsequent XS sensitivity analysis. The reactions involved in the study were Fe-54(n,p) and Fe-54(n,alpha). Measured neutron induced reaction rates in Fe-54 are compared with calculated ones in different nuclear data libraries. We show that there are notable discrepancies in Fe-54(n,alpha) reaction. The results of the leakage spectra differ significantly in various libraries, library ENDF/B-VII.1 in region 3.5-7.0 MeV gives relatively good agreement. CIELO library underestimates the result; however JEFF-3.2 overestimates results., Cf-252 with the emission rate of 9.53E8 n/s was used as a neutron source for all experiments involved.

引用

页码：86 / 91

页数：6

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