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Suyama, Kenya; Mochizuki, Hiroki*
Annals of Nuclear Energy, 33(4), p.335 - 342, 2006/03
Times Cited Count:8 Percentile:49.48(Nuclear Science & Technology)The value of the burnup is one of the most important parameters of samples taken by post irradiation examination (PIE). In this study, concerning the PIE data from Mihama-3 and Genkai-1 PWRs, which were taken at the Japan Atomic Energy Research Institute, the burnup values of the PIE samples were re-evaluated and the PIE data are re-analyzed using SWAT and SWAT2 code systems with JENDL-3.3 library. This analysis concludes that the burnup values of samples from Mihama-3 and Genkai-1 PWRs should be corrected of 2-3%. The effect of re-evaluation of the burnup value on the neutron multiplication factor is approximately 1% for PIE samples having the burnup of larger than 30 GWd/t. Comparison between calculation results using a single pin cell model and an assembly model is carried out. Because the both results agreed within a few percents, we concluded that the single pin cell model is suitable for the analysis of PIE samples and the underestimation of plutonium isotopes does not result from the geometry model.
Tsujimoto, Kazufumi; Kono, Nobuaki; Shinohara, Nobuo; Sakurai, Takeshi; Nakahara, Yoshinori; Mukaiyama, Takehiko; Raman, S.*
Nuclear Science and Engineering, 144(2), p.129 - 141, 2003/06
To evaluate neutron cross-section data of minor actinides, separated actinide samples and dosimetry samples were irradiated at the Dounreay Prototype Fast Reactor for 492 effective full power days. Based on the burnup calculations of major actinide and dosimetry samples, the neutron flux distribution and the flux level were adjusted at the locations where minor actinide samples were irradiated. The burnup calculations were carried out for minor actinides using the determined flux distribution and flux level. This paper discusses the burnup calculations and the validation of minor actinide cross-section data in evaluated nuclear data libraries. We find that we can obtain reliable FIMA (fission per initial metallic atom) values by using the Nd method except that the uncertainties in the FIMA values are large for U, Pu, Am isotopes, and Cm isotopes because the Nd yields are known poorly for these isotopes and are probably overestimated. For these isotopes, measurements to improve the fission-yield data are needed. We also find that, in general, the JENDL-3.2 nuclear data for the minor actinides are adequate for the conceptual design study of transmutation systems. But, there are some nuclides (especially Pu and Pu) for which new measurements are needed particulary if the minor actinides constitute a major part of the nuclear fuel.
Tsujimoto, Kazufumi; Kono, Nobuaki; Shinohara, Nobuo; Sakurai, Takeshi; Nakahara, Yoshinori; Mukaiyama, Takehiko*; Raman, S.*
Nuclear Science and Engineering, 144(2), p.129 - 141, 2003/06
Times Cited Count:11 Percentile:59.28(Nuclear Science & Technology)no abstracts in English
Katakura, Junichi
JAERI-Research 2003-004, 19 Pages, 2003/03
no abstracts in English
Haba, Hiromitsu; Kasaoka, Makoto*; Igarashi, Manabu*; Washiyama, Koshin*; Matsumura, Hiroshi*; Oura, Yasuji*; Shibata, Seiichi*; Sakamoto, Ko*; Furukawa, Michiaki*; Fujiwara, Ichiro*
Radiochimica Acta, 90(7), p.371 - 382, 2002/08
Times Cited Count:2 Percentile:16.96(Chemistry, Inorganic & Nuclear)The reaction yields of 63 radionuclides with the mass number A = 56-135 produced in the photofission of Bi by bremsstrahlung of end-point energies (E) from 450 to 1100 MeV have been measured using a catcher foil technique. The charge distribution was well reproduced by a Gaussian function with the most probable charge (Z) expressed by Z = RA + S, and with the A-independent FWHME. The charge distribution parameters R, S and FWHM were independent of E above 600 MeV. The weighted mean values at E 600 MeV were R = 0.421 0.001, S = 0.6 0.1 and FWHM = 2.1 0.1 charge unit (c.u.). Based on the charge distribution parameters, the symmetric mass yield distributions with the most probable mass A of 96 1 mass unit (m.u.) and the width FWHM of 33 1 m.u. were also obtained. The characteristics of the charge and mass yield distributions are discussed by referring to those for Au based on the results of calculations using PICA3/GEM.
Nishitani, Takeo; Iguchi, Tetsuo*; Ebisawa, Katsuyuki*; Yamauchi, Michinori*; Walker, C.*; Kasai, Satoshi
JAERI-Tech 2002-062, 39 Pages, 2002/07
no abstracts in English
Uno, Yoshitomo; Kaneko, Junichi; Nishitani, Takeo; Maekawa, Fujio; Tanaka, Teruya; Ikeda, Yujiro; Takeuchi, Hiroshi
JAERI-Research 2001-007, 42 Pages, 2001/03
no abstracts in English
Kai, Tetsuya; Maekawa, Fujio; Kosako, Kazuaki*; Kasugai, Yoshimi; Takada, Hiroshi; Ikeda, Yujiro
JAERI-Data/Code 2001-016, 82 Pages, 2001/03
no abstracts in English
Shinohara, Nobuo; Tsukada, Kazuaki; Ichikawa, Shinichi; Magara, Masaaki; Hatsukawa, Yuichi
Radiochimica Acta, 88(1), p.1 - 5, 2000/00
Times Cited Count:1 Percentile:12.08(Chemistry, Inorganic & Nuclear)no abstracts in English
Fukahori, Tokio; Katakura, Junichi
Nihon Genshiryoku Gakkai-Shi, 40(5), p.363 - 366, 1998/00
Times Cited Count:0 Percentile:0.01(Nuclear Science & Technology)no abstracts in English
Nishitani, Takeo; Ebisawa, Katsuyuki*; Iguchi, Tetsuo*; Matoba, Toru
Fusion Engineering and Design, 34-35, p.567 - 571, 1997/00
Times Cited Count:13 Percentile:70.31(Nuclear Science & Technology)no abstracts in English
Shinohara, Nobuo; Tsukada, Kazuaki; ; ; Otsuki, Tsutomu*
Radiochimica Acta, 68, p.21 - 26, 1995/00
no abstracts in English
Nishitani, Takeo; Takeuchi, Hiroshi; Kondoh, Takashi; Ito, Takao*; Kuriyama, Masaaki; Ikeda, Yujiro; Iguchi, Tetsuo*; Barnes, C. W.*
Review of Scientific Instruments, 63(11), p.5270 - 5278, 1992/11
Times Cited Count:76 Percentile:97.13(Instruments & Instrumentation)no abstracts in English
Katakura, Junichi; Iijima, Shungo*
Journal of Nuclear Science and Technology, 29(1), p.11 - 23, 1992/01
no abstracts in English
Nishitani, Takeo; Takeuchi, Hiroshi; Barnes, C. W.*; Iguchi, Tetsuo*; Nagashima, Akira; Kondoh, Takashi; Sakasai, Akira; Itami, Kiyoshi; Tobita, Kenji; Nagashima, Keisuke; et al.
JAERI-M 91-176, 23 Pages, 1991/10
no abstracts in English
*
JAERI-M 89-204, 254 Pages, 1989/11
no abstracts in English
; ; ; ;
JAERI-M 83-219, 28 Pages, 1983/12
no abstracts in English
Tasaka, Kanji; ; *; ; ; *
JAERI 1287, 218 Pages, 1983/10
no abstracts in English
; ; Tasaka, Kanji; *; *; *
JAERI-M 9714, 132 Pages, 1981/10
no abstracts in English
; ; Tasaka, Kanji; *; *; *
JAERI-M 9715, 117 Pages, 1981/09
no abstracts in English