Fission cross-section measurements of 237Np, 242mAm, and 245Cm with lead slowing- down neutron spectrometer

被引：2
|
作者：
Hirose, Kentaro [1 ,4 ]
Ohtsuki, Tsutomu [1 ]
Shibasaki, Yoshinobu [1 ]
Iwasa, Naohito [2 ]
Hori, Jun-ichi [3 ]
Sekimoto, Shun [3 ]
Takamiya, Koichi [3 ]
Yashima, Hiroshi [3 ]
Nishio, Katsuhisa [4 ]
Kiyanagi, Yoshiaki [5 ]
机构：
[1] Tohoku Univ, Res Ctr Electron Photon Sci, Sendai, Miyagi 9820826, Japan
[2] Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan
[3] Kyoto Univ, Inst Res Reactor, Kumatori, Osaka 5900494, Japan
[4] Japan Atom Energy Agcy, Tokai, Ibaraki 3191195, Japan
[5] Hokkaido Univ, Grad Sch Engn, Sapporo, Hokkaido 0608628, Japan
来源：
JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY | 2012年 / 49卷 / 11期
关键词：
neutron-induced fission; 0.1 eV to 2 keV; Np-237; Am-242m; Cm-245; minor actinide; lead slowing-down neutron spectrometer; parallel plate avalanche chamber; DOWN SPECTROMETER; ELECTRON LINAC;
D O I：
10.1080/00223131.2012.730895
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 cross sections for neutron-induced fission of Np-237, Am-242m, and Cm-245 have been measured in the energy range from 0.1 eV to 2 keV using the lead slowing-down neutron spectrometer at the Research Reactor Institute, Kyoto University. The fission cross sections were deduced relative to those for U-235(n,f) and B-10(n,a). The cross section for Np-237(n,f) was obtained with the experimental uncertainty of about 20% in the energy region below 25 eV and typically 13% above this energy. The experimental uncertainties for Am-242m and Cm-245 were, respectively, of the order of 14% and 9% in the entire energy region.
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页码：1057 / 1066
页数：10
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