High resolution measurement of the 234U(n,f) cross section in the neutron energy range from 0.5 eV to 100 keV

被引：7
|
作者：
Heyse, J.
Wagemans, C.
De Smet, L.
Serot, O.
Wagemans, J.
Van Gils, J.
机构：
[1] Commiss European Communities, Joint Res Ctr, Inst Reference Mat & Measurements, B-2440 Geel, Belgium
[2] Univ Ghent, Dept Subatom & Radiat Phys, B-9000 Ghent, Belgium
[3] CEA Cadarache, DEN, DER, SPRC,LEPH, F-13108 St Paul Les Durance, France
[4] SCK CEN, B-2400 Mol, Belgium
来源：
NUCLEAR SCIENCE AND ENGINEERING | 2007年 / 156卷 / 02期
关键词：
D O I：
10.13182/NSE07-A2697
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
The U-234(n,f) cross section has been measured in the energy rangefrom 0.5 eV to 100 keV at the GELINA neutron time-of flight facility of the Institute for Reference Materials and Measurements in Geel using highly enriched U-234 samples. Two independent measurements were performed: one in a low detection geometry (15% of 2 pi) and another in a 2 pi detection geometry. A U-235(n,f) cross-section measurement was Performed under the same experimental conditions, allowing a reliable correction for the U-235(n,f) contribution to the yield. Special attention has been given to the strongest resonance at 5.16eV and to the fission resonance integral I-f for which large discrepancies are reported in the literature.
引用
收藏
页码：211 / 218
页数：8
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