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Journal Articles

Japanese Evaluated Nuclear Data Library version 5; JENDL-5

Iwamoto, Osamu; Iwamoto, Nobuyuki; Kunieda, Satoshi; Minato, Futoshi; Nakayama, Shinsuke; Abe, Yutaka*; Tsubakihara, Kosuke*; Okumura, Shin*; Ishizuka, Chikako*; Yoshida, Tadashi*; et al.

Journal of Nuclear Science and Technology, 60(1), p.1 - 60, 2023/01

 Times Cited Count:75 Percentile:99.99(Nuclear Science & Technology)

Journal Articles

Preparation, characterization, and dilute solution properties of four-branched cage-shaped poly(ethylene oxide)

Noda, Takashi*; Doi, Yuya*; Ota, Yutaka*; Takata, Shinichi; Takano, Atsushi*; Matsushita, Yushu*

Journal of Polymer Science, 58(15), p.2098 - 2107, 2020/08

 Times Cited Count:8 Percentile:36.57(Polymer Science)

JAEA Reports

Establishment of advanced integration technology for site characterization of deep geological repository; Development of information synthesis and interpretation system; Annual report 2007 (Contract research)

Osawa, Hideaki; Ota, Kunio; Hama, Katsuhiro; Sawada, Atsushi; Takeuchi, Shinji; Amano, Kenji; Saegusa, Hiromitsu; Matsuoka, Toshiyuki; Miyamoto, Tetsuo; Toyoda, Gakuji; et al.

JAEA-Research 2008-085, 742 Pages, 2008/11

JAEA-Research-2008-085-1.pdf:26.22MB
JAEA-Research-2008-085-2.pdf:16.64MB
JAEA-Research-2008-085-3.pdf:28.27MB

This report shows the results the project for the establishment of comprehensive site characterization technology, entrusted from Natural Resources and Energy Agency, Ministry of Economy, Trade and Industry Natural Resources and Energy Agency in 2007.

Journal Articles

Photodisintegration cross section measurements on $$^{186}$$W, $$^{187}$$Re and $$^{188}$$Os; Implications for the Re-Os cosmochronology

Shizuma, Toshiyuki; Utsunomiya, Hiroaki*; Mohr, P.*; Hayakawa, Takehito; Goko, Shinji*; Makinaga, Ayano*; Akimune, Hidetoshi*; Yamagata, Tamio*; Ota, Masahisa*; Ogaki, Hideaki*; et al.

Physical Review C, 72(2), p.025808_1 - 025808_9, 2005/08

 Times Cited Count:44 Percentile:90.03(Physics, Nuclear)

Cross sections of the $$^{186}$$W, $$^{187}$$Re, $$^{188}$$Os($$gamma,n$$) reactions were measured using quasi-monochromatic photon beams from laser Compton scattering (LCS) with average energies from 7.3 to 10.9 MeV. The results are compared with the predictions of Hauser-Feshbach statistical calculations using four different sets of input parameters. In addition, the inverse neutron capture cross sections were evaluated by constraining the model parameters, especially the $$E1$$ strength function, on the basis of the experimental data. The present experiment helps to further constrain the correction factor $$F_{sigma}$$ for the neutron capture on the 9.75 keV state in $$^{187}$$Os. Implications of $$F_{sigma}$$ to the Re-Os cosmochronology are discussed with a focus on the uncertainty in the estimate of the age of the Galaxy.

Journal Articles

Design and fabrication of the JT-60 graphite wall

Yamamoto, Masahiro; Shimizu, Masatsugu; Arai, Takashi; Nakamura, Hiroo; Ando, Toshiro; Ogiwara, Norio; Takatsu, Hideyuki; *; Okubo, Minoru; ; et al.

Nihon Genshiryoku Gakkai-Shi, 29(7), p.634 - 641, 1987/00

 Times Cited Count:0 Percentile:0.02(Nuclear Science & Technology)

no abstracts in English

Oral presentation

Oral presentation

High-energy ion irradiation effect in CeO$$_{2}$$, 2

Ohara, Kota; Ishikawa, Norito; Sakai, Seiji; Matsumoto, Yoshihiro; Michikami, Osamu*; Ota, Yasuyuki*; Kimura, Yutaka*

no journal, , 

High energy ion irradiation is performed for CeO$$_{2}$$ ceramics. X-ray diffraction and raman spectroscopy analysis suggest that oxygen-deficient ion-track is formed after the irradiation.

Oral presentation

Radiation damage in CeO$$_{2}$$ irradiated with high energy ions, 3

Ohara, Kota; Ishikawa, Norito; Sakai, Seiji; Matsumoto, Yoshihiro; Michikami, Osamu*; Ota, Yasuyuki*; Kimura, Yutaka*

no journal, , 

Irradiation-induced new X-ray diffraction peak is analyzed based on the model that nano-meter size ion tracks are formed in ion-irradiated CeO$$_{2}$$. X-ray diffraction profile can be interpreted by taking account of overlapping effect.

Oral presentation

Dispersion simulations of radioactive materials due to the Fukushima Dai-ichi Nuclear Power Plant accident

Nagai, Haruyasu; Katata, Genki; Ota, Masakazu; Ina, Takuya; Kakefuda, Toyokazu; Endo, Akira

no journal, , 

no abstracts in English

Oral presentation

Reconstruction of the spatiotemporal distribution of radioactive materials discharged from the Fukushima Dai-ichi Nuclear Power Plant by atmospheric dispersion simulations

Nagai, Haruyasu; Katata, Genki; Ota, Masakazu; Ina, Takuya; Kakefuda, Toyokazu; Endo, Akira

no journal, , 

no abstracts in English

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