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Np for fast neutronsHarada, Hideo; Nakamura, Shoji; Hatsukawa, Yuichi; Toh, Yosuke; Kimura, Atsushi; Ishiwatari, Yuki*; Yasumi, Atsushi*; Mabuchi, Yukio*; Nakagawa, Tsutomu*; Okamura, Kazuo*; et al.
Journal of Nuclear Science and Technology, 46(5), p.460 - 468, 2009/05
Times Cited Count：4 Percentile：30.43(Nuclear Science & Technology)The neutron capture cross section of Np has been measured for fast neutrons supplied at the center of the core in the Yayoi reactor. The activation method was used for the measurement, in which the amount of the product 
Np was determined by 
-ray spectroscopy using a Ge detector. The representative neutron energy and the corresponding capture cross section of Np in the experiment were analytically deduced as 0.80 
0.04 b at 0.214 0.009 MeV from the measured reaction rate by combining the energy dependence of the cross section in the nuclear data library ENDF/VII.0. The deduced cross section of Np at the representative neutron energy agrees with the evaluated data of ENDF/B-VII.0, but shows 15% larger value than that of JENDL-3.3 and 13% larger value than that of JENDL/AC-2008.
Kimura, Takaumi; Akatsu, Jokun
Solvent Extraction 1990, p.723 - 728, 1992/00
no abstracts in English
system, II; Characteristics of the DHDECMP/XAD-4 resin on separation of trivalent actinide elementsKimura, Takaumi; Akatsu, Jokun
Journal of Radioanalytical and Nuclear Chemistry, 149(1), p.25 - 34, 1991/00
Times Cited Count：10 Percentile：72.11(Chemistry, Analytical)no abstracts in English
system, I; Extraction behaviour of Ce(III) and Am(III) with the DHDECMP/XAD-4 resinKimura, Takaumi; Akatsu, Jokun
Journal of Radioanalytical and Nuclear Chemistry, 149(1), p.13 - 23, 1991/00
Times Cited Count：17 Percentile：84.03(Chemistry, Analytical)no abstracts in English
Akatsu, Jokun; Kimura, Takaumi;
J. Inst. Nucl. Mater. Manage., 18(2), p.21 - 25, 1990/02
no abstracts in English
systemAkatsu, Jokun; Kimura, Takaumi
Journal of Radioanalytical and Nuclear Chemistry, 140(1), p.195 - 203, 1990/00
Times Cited Count：9 Percentile：67.09(Chemistry, Analytical)no abstracts in English
Sakurai, Satoshi; Tachimori, Shoichi; Akatsu, Jokun; Kimura, Takaumi; Yoshida, Zenko; ; Yamashita, Toshiyuki; Ouchi, Kinji
Nihon Genshiryoku Gakkai-Shi, 31(11), p.1243 - 1250, 1989/11
Times Cited Count：3 Percentile：41.84(Nuclear Science & Technology)no abstracts in English
Kimura, Takaumi; Goto, Hiroshi; Kobayashi, Yoshii; Akatsu, Jokun
Journal of Radioanalytical and Nuclear Chemistry, 125(1), p.29 - 40, 1988/00
Times Cited Count：0 Percentile：0.02(Chemistry, Analytical)no abstracts in English
Matsumoto, Kenichi*; Miyahara, Kenji; ; Asazuma, Shinichiro; Fukushima, Isao; Shoji, Kenji; Nojima, Yasuo; Kimura; Ikeda; Shibuya, Jun*; et al.
PNC TN8440 87-194, 82 Pages, 1987/08
no abstracts in English
; ; ;
Appl.Radiat.Isot., 38(2), P. 162, 1987/02
no abstracts in English
; ; ;
Appl.Radiat.Isot., 37(2), p.121 - 125, 1986/00
no abstracts in English
; ;
Radiochimica Acta, 39, p.179 - 183, 1986/00
no abstracts in English
*; *; *; Kitahara, Yoshihisa*; Kishimoto, Yoichiro; Yamato, Aiji; *; ; ; ; et al.
PNC TN841 78-69VOL1, 127 Pages, 1978/12
PNC-TN841-78-69VOL1.pdf:9.43MB
no abstracts in English
; ; *; ; Saeki, Masakatsu; ; Asano, Masaharu; ; B.Leugger*
Journal of Nuclear Science and Technology, 9(12), p.716 - 720, 1972/12
no abstracts in English
*; *; *; ;
Nihon Genshiryoku Gakkai-Shi, 5(8), p.633 - 639, 1963/00
no abstracts in English
Nakamura, Shoji; Toh, Yosuke; Kimura, Atsushi; Hatsukawa, Yuichi; Harada, Hideo; Ishiwatari, Yuki*; Saito, Isao*; Yasumi, Atsushi*; Mabuchi, Yukio*; Nakagawa, Tsutomu*; et al.
no journal, ,
no abstracts in English
-ray analysisMatsue, Hideaki; Ojima, Hitoshi*; Yoshida, Hirokazu*; Asano, Nobuko*; Hasegawa, Shoichi*; Cho, Akio*; Hatsukawa, Yuichi; Segawa, Mariko; Osawa, Takahito; Numao, Tatsuya*; et al.
no journal, ,
no abstracts in English
TcNakamura, Shoji; Hatsukawa, Yuichi; Toh, Yosuke; Kimura, Atsushi; Harada, Hideo; Ishiwatari, Yuki*; Yasumi, Atsushi*; Nakagawa, Tsutomu*; Mabuchi, Yukio*; Saito, Isao*; et al.
no journal, ,
Technetium-99 samples were irradiated by fast neutrons at YAYOI reactor. The fast-neutron capture cross-section was measured by the activation method.
Np, 2; Irradiation in the Gz hole of YAYOI reactorNakamura, Shoji; Hatsukawa, Yuichi; Toh, Yosuke; Kimura, Atsushi; Harada, Hideo; Ishiwatari, Yuki*; Yasumi, Atsushi*; Nakagawa, Tsutomu*; Mabuchi, Yukio*; Saito, Isao*; et al.
no journal, ,
The Np sample was irradiated at the Gz hole of YAYOI reactor, and the fast-neutron capture cross-section was obtained by an activation method. The production amount of Np was measured by -ray spectroscopy. The neutron flux at the irradiation position was monitored by a gold foil. It was found that the present result of the fast-neutron capture cross-section was 15% larger than that in JENDL-3.3.
INakamura, Shoji; Toh, Yosuke; Hatsukawa, Yuichi; Kimura, Atsushi; Harada, Hideo; Yasumi, Atsushi*; Nakagawa, Tsutomu*; Mabuchi, Yukio*; Saito, Isao*; Ishiwatari, Yuki*
no journal, ,
The fast-neutron capture cross section of I was measured at the YAYOI reactor by the activation method. The amount of 
I was obtained by measuring -rays emitted from I. The neutron flux was monitored by a piece of gold foil. The fast-neutron capture cross section was derived from the information of the production amount of I and the neutron flux. This work found that the evaluated data might be overestimated by about 10% and more.
