Thermal neutron capture cross sections of zirconium-91 and zirconium-93 by prompt γ-ray spectroscopy

被引：29
|
作者：
Nakamura, Shoji
Harada, Hideo
Raman, Subramanian
Koehler, Paul E.
机构：
[1] Japan Atom Energy Agcy, Tokai, Ibaraki 3191195, Japan
[2] Oak Ridge Natl Lab, Oak Ridge, TN 37830 USA
来源：
JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY | 2007年 / 44卷 / 01期
关键词：
zirconium-93; zirconium-91; thermal neutron; capture cross section; prompt gamma ray; gamma-ray spectroscopy;
D O I：
10.3327/jnst.44.21
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：
A lower limit of 0.63 +/- 0.02 b has been determined for the thermal neutron capture cross section (sigma(0)) of Zr-93 from a measurement of the prompt gamma-rays emitted by the Zr-93 (n(th),gamma)Zr-94 reaction. The present result for Zr-93 is much smaller than the single previously reported measurement as well as compiled and evaluated values for this cross section. This work also reports a lower limit for sigma(0) of Zr-91 as 1.30 +/- 0.04 b, which is consistent with the single previously reported measurement, as well as compiled and evaluated values for this cross section, within the quoted uncertainties.
引用
收藏
页码：21 / 28
页数：8
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