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Journal Articles

Development of a DDA+PGA-combined non-destructive active interrogation system in "Active-N"

Furutaka, Kazuyoshi; Ozu, Akira; Toh, Yosuke

Nuclear Engineering and Technology, 55(11), p.4002 - 4018, 2023/11

 Times Cited Count:0 Percentile:0.01(Nuclear Science & Technology)

Journal Articles

Special issue on accelerator-driven system benchmarks at Kyoto University Critical Assembly

Pyeon, C. H.*; Talamo, A.*; Fukushima, Masahiro

Journal of Nuclear Science and Technology, 57(2), p.133 - 135, 2020/02

 Times Cited Count:3 Percentile:96.32(Nuclear Science & Technology)

Journal Articles

Integral benchmark experiments of the Japanese Evaluated Nuclear Data Library (JENDL)-3.3 for the fusion reactor design

Nishitani, Takeo; Ochiai, Kentaro; Maekawa, Fujio; Shibata, Keiichi; Wada, Masayuki*; Murata, Isao*

IAEA-CN-116/FT/P1-22 (CD-ROM), 8 Pages, 2004/11

no abstracts in English

Journal Articles

High-sensitive detection by direct interrogation of 14 MeV Acc neutrons, 1; Uranium-contained metal matrix in a waste dram

Haruyama, Mitsuo; Takase, Misao*; Tobita, Hiroshi; Mori, Takamasa

Nihon Genshiryoku Gakkai Wabun Rombunshi, 3(2), p.185 - 192, 2004/06

no abstracts in English

Journal Articles

Fusion power measurement based on $$^{16}$$O(n,p)$$^{16}$$N reaction in flowing water

Nishitani, Takeo; Uno, Yoshitomo; Kaneko, Junichi*; Ochiai, Kentaro; Maekawa, Fujio

Journal of Nuclear Science and Technology, 39(Suppl.2), p.1139 - 1142, 2002/08

no abstracts in English

JAEA Reports

Design of neutron monitor using flowing water activation for ITER

Nishitani, Takeo; Ebisawa, Katsuyuki*; Walker, C.*; Kasai, Satoshi

JAERI-Tech 2002-033, 40 Pages, 2002/03

JAERI-Tech-2002-033.pdf:1.54MB

no abstracts in English

JAEA Reports

Reliability assessment of high energy particle induced radioactivity calculation code DCHAIN-SP 2001 by analysis of integral activation experiments with 14MeV neutrons

Kai, Tetsuya; Maekawa, Fujio; Kasugai, Yoshimi; Kosako, Kazuaki*; Takada, Hiroshi; Ikeda, Yujiro

JAERI-Research 2002-005, 65 Pages, 2002/03

JAERI-Research-2002-005.pdf:2.75MB

Reliability assessment for the High Energy Particle Induced Radioactivity Calculation Code DCHAIN-SP 2001 was carried out through analysis of integral activation experiments with 14-MeV neutrons. The following three series of experiments conducted at the D-T neutron source facility, FNS, in JAERI were employed: (1) the decay gamma-ray measurement experiment for fusion reactor materials, (2) the decay heat measurement experiment for 32 fusion reactor materials, and (3) the integral activation experiment on mercury.As a result, it was found that the calculations with DCHAIN-SP 2001 predicted the experimental data for (1)$$sim$$(3) approximately within 30%, 20% and 20%, respectively. It was concluded that the activation cross section data below 20 MeV and the associated decay data as well as the calculation algorithm for solving the Beteman equation that was the master equation of DCHAIN-SP were adequate.

Journal Articles

Measurement of activation cross sections for mercury isotopes in the neutron energy range between 13.4 and 14.9MeV

Kasugai, Yoshimi; Maekawa, Fujio; Ikeda, Yujiro; Takeuchi, Hiroshi

Journal of Nuclear Science and Technology, 38(12), p.1048 - 1056, 2001/12

Activation cross sections for mercury isotopes have been measured at neutron energy between 13.4 and 14.9 MeV by means of the activation method using Fusion Neutronics Source (FNS) at Japan Atomic Energy Research Institute (JAERI). Measured cross sections are $$^{196}$$Hg(n, 2n)$$^{195m,g}$$Hg, $$^{198}$$Hg(n, 2n)$$^{197m,g}$$Hg, $$^{198}$$Hg(n, p)$$^{198g}$$Au, $$^{199}$$Hg(n, p)$$^{199}$$Au, $$^{200}$$Hg(n, p)$$^{200m,g}$$Au, $$^{201}$$Hg(n, p)$$^{201}$$Au, $$^{202}$$Hg(n, p)$$^{202}$$Au, $$^{204}$$Hg(n, 2n)$$^{203}$$Hg and $$^{204}$$Hg(n, p)$$^{204}$$Au. The cross sections of the $$^{202}$$Hg(n, p)$$^{202}$$Au and $$^{204}$$Hg(n, p)$$^{204}$$Au reactions were measured for the first time. For the $$^{196}$$Hg(n, 2n)$$^{195m,g}$$Hg, $$^{198}$$Hg(n, 2n)$$^{197m,g}$$Hg, $$^{198}$$Hg(n, p)$$^{198g}$$Au and $$^{199}$$Hg(n, p)$$^{199}$$Au reactions, the cross sections at plural neutron energies were measured for the first time. The present data were compared with the experimental data reported previously and the recent evaluations, and it was shown that some evaluations need to be improved.

Journal Articles

A Study on 14MeV neutron beam characteristics and its applications

Sakane, H.*; Uno, Yoshitomo; Maekawa, Fujio; Kasugai, Yoshimi; Konno, Chikara; Kaneko, Junichi; Ikeda, Yujiro

Reactor Dosimetry: Radiation Metrology and Assessment (ASTM STP 1398), p.375 - 382, 2001/00

no abstracts in English

Journal Articles

Experimental validation of calculations of decay heat induced by 14MeV neutron activation of ITER materials

N.P.Taylor*; Ikeda, Yujiro; Bartels, H.-W.*; G.Cambi*; D.G.Ceprage*; E.T.Cheng*; R.A.Forrest*; H.Iida*; H.Y.Khater*; Maekawa, Fujio; et al.

Fusion Engineering and Design, 45(1), p.75 - 88, 1999/00

 Times Cited Count:8 Percentile:53.55(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Japanese contribution to ITER task of irradiation tests on diagnostics components

Nishitani, Takeo; Ishitsuka, Etsuo; Kakuta, Tsunemi; Sagawa, Hisashi; Oyama, Yukio; *; Sugie, Tatsuo; Noda, Kenji; Kawamura, Hiroshi; Kasai, Satoshi

Fusion Engineering and Design, 42, p.443 - 448, 1998/00

 Times Cited Count:22 Percentile:83.21(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Measurements of tritium and $$^{14}$$C production cross sections for 14.7-MeV neutrons on $$^{17}$$O and $$^{18}$$O

Y.M.Verzilov*; Ikeda, Yujiro; Maekawa, Fujio; Oyama, Yukio; D.L.Smith*

Nuclear Science and Engineering, 129(1), p.81 - 87, 1998/00

 Times Cited Count:1 Percentile:15.02(Nuclear Science & Technology)

no abstracts in English

JAEA Reports

Effects of primary recoil (PKA) energy spectrum on radiation damage in FCC metals

Iwata, Tadao*; Iwase, Akihiro

JAERI-Research 97-073, 45 Pages, 1997/10

JAERI-Research-97-073.pdf:1.55MB

no abstracts in English

JAEA Reports

Neutronics analysis of international fusion material irradiation facility (IFMIF); Japanese contributions

Oyama, Yukio; Kosako, Kazuaki*; Noda, Kenji

JAERI-Research 97-065, 84 Pages, 1997/10

JAERI-Research-97-065.pdf:2.25MB

no abstracts in English

JAEA Reports

14MeV neutron irradiation experiment on window materials for fusion experimental reactor

*; Oyama, Yukio; *

JAERI-Research 97-042, 87 Pages, 1997/06

JAERI-Research-97-042.pdf:2.38MB

no abstracts in English

Journal Articles

Fusion neutronic source deuterium-tritium neutron spectrum measurements using natural diamond detectors

A.V.Krasilnikov*; Kaneko, Junichi; Nishitani, Takeo; Maekawa, Fujio; *

Review of Scientific Instruments, 68(4), p.1720 - 1724, 1997/04

 Times Cited Count:40 Percentile:89.61(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Design of radial neutron spectrometer array for the International Thermonuclear Experimental Reactor

Nishitani, Takeo; Kasai, Satoshi; Iguchi, Tetsuo*; *; Ebisawa, Katsuyuki*; *

Review of Scientific Instruments, 68(1), p.565 - 568, 1997/01

 Times Cited Count:5 Percentile:46.15(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Triton burnup measurements using scintillating fiber detectors on JT-60U

Nishitani, Takeo; Isobe, Mitsutaka*; G.A.Wurden*; R.E.Chrien*; Tobita, Kenji; Kusama, Yoshinori; Harano, Hideki*

Fusion Engineering and Design, 34-35, p.563 - 566, 1997/00

 Times Cited Count:19 Percentile:79.94(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Measurements of activation cross sections for waste management assessment in fusion reactors

Ikeda, Yujiro; D.L.Smith*

Fusion Technology, 30(3(PT.2B)), p.1190 - 1196, 1996/12

no abstracts in English

39 (Records 1-20 displayed on this page)