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J-GLOBAL ID:202101020070536077   Update date: Jan. 31, 2025

Takasaki Koji

タカサキ コウジ | Takasaki Koji
Clips
Affiliation and department:
Research field  (1): Nuclear engineering
Research theme for competitive and other funds  (2):
  • 2012 - 2016 Innovative analysis method for plutonium isotopes with utilizing the alpha-ray spectroscopy and the intensity ratio of L X-ray emission.
  • 2006 - 2009 High precision spectroscopy of LX-rays emitted from transuranium elements for Pu in vivo measurements
Papers (17):
  • Kaburagi Masaaki, Miyamoto Yuta, Mori Norimasa, Iwai Hiroki, Tezuka Masashi, Kurosawa Shunsuke*, Tagawa Akihiro, Takasaki Koji. Feasibility study of reactor radiation photon spectroscopy in Fugen for nuclear decommissioning. Journal of Nuclear Science and Technology. 2024. 9
  • Takasaki Koji, Yasumune Takashi, Yamaguchi Yukako, Hashimoto Makoto, Maeda Koji, Kato Masato. Estimation of the activity median aerodynamic diameter of plutonium particles using image analysis. Journal of Nuclear Science and Technology. 2023. 60. 11. 1437-1446
  • Morishita Yuki, Sagawa Naoki, Takada Chie, Momose Takumaro, Takasaki Koji. Development of a method of evaluating PuO$_{2}$ particle diameters using an alpha-particle imaging detector. Radiation Protection Dosimetry. 2023. 199. 13. 1376-1383
  • Morishita Yuki, Takasaki Koji, Kitayama Yoshiharu, Tagawa Akihiro, Shibata Takuya, Hoshi Katsuya, Kaneko Junichi*, Higuchi Mikio*, Oura Masatoshi*. A Phoswich alpha/beta detector for monitoring in the site of Fukushima Daiichi Nuclear Power Station. Radiation Measurements. 2023. 160. 106896\_1-106896\_10
  • Nakamura Keisuke, Morishita Yuki, Takasaki Koji, Maehata Keisuke*, Sugimoto Tetsuya*, Kiguchi Yu*, Iyomoto Naoko*, Mitsuda Kazuhisa*. Spectroscopic measurements of L X-rays with a TES microcalorimeter for a non-destructive assay of transuranium elements. Journal of Low Temperature Physics. 2018. 193. 3-4. 314-320
more...
MISC (19):
  • Takasaki Koji. Development of radiation measurement and digital technologies for the decommissioning of the Fukushima Daiichi Nuclear Power Plant. Hokeikyo Nyusu. 2024. 73. 2-5
  • Matsuoka Amane, Yasumune Takashi, Kojima Nobuhiro, Miyauchi Hideaki, Takasaki Koji, Hashimoto Makoto. Examination of exposure management method for the eye lens at Oarai Research and Development Institute. JAEA-Review 2021-055. 2021. 11
  • Takasaki Koji, Yasumune Takashi, Hashimoto Makoto, Maeda Koji, Kato Masato, Yoshizawa Michio, Momose Takumaro. Activity median aerodynamic diameter relating to contamination at Plutonium Fuel Research Facility in Oarai Research and Development Center; Particle size analysis for plutonium particles using imaging plate. JAEA-Review 2019-003. 2019. 48
  • Takasaki Koji, Yasumune Takashi, Onishi Takashi, Nakamura Keisuke, Ishimi Akihiro, Ito Chikara, Osaka Masahiko, Ono Masashi*, Hatakeyama Shuichi*, Takahashi Hiroyuki*, et al. Research for spectroscopy of fuel debris using superconducting phase transition edge sensor microcalorimeter; Measurement experiment and simulated calculation (Joint research). JAEA-Research 2013-043. 2014. 2013-043. 33
  • Yamada Junya, Seya Natsumi, Haba Risa, Muto Yasunobu, Numari Hideyuki*, Sato Naomitsu*, Nemoto Koji*, Takasaki Hiroichi*, Shimizu Takehiko, Takasaki Koji. Environmental radiation monitoring resulting from the accident at the Fukushima Daiichi Nuclear Power Plant, conducted by Oarai Research and Development Center, JAEA; Results of ambient gamma-ray dose rate, atmospheric radioactivity and meteorological observation. JAEA-Data/Code 2013-006. 2013. 100
more...
Patents (3):
  • 核分裂生成物と混在した超ウラン元素の分析方法及びその分析装置
  • 放射能量測定方法及び装置
  • 物質中の超ウラン元素の分析方法
Lectures and oral presentations  (42):
  • Study on application of superconducting transition edge sensor to internal dose assessment for decommissioning of Fukushima-Daiichi Nuclear Power Station
    (International Topical Workshop on Fukushima-Daiichi Decommissioning Research 2024 (FDR2024))
  • Research and development of heat resistant FBG sensors for reactor decommission and its related applications (version 2024)
    (Optics \& Photonics International Congress 2024 (OPIC 2024); Laser Solutions for Space and the earth 2024 (LSSE2024))
  • Research and development of radiation measurement and digital technology for the decommissioning of the Fukushima Daiichi Nuclear Power Plant
    (第10回放射線計測専門家会合)
  • Development of heat and radiation resistant FBG sensor and its application to reactor decommissioning
    (日本保全学会第19回学術講演会)
  • R and D of heat resistant FBG sensors for reactor decommission and its related applications
    (OPTICS \& PHOTONICS International Congress 2023 (OPIC 2023); Laser Solutions for Space and the Earth 2023 (LSSE2023))
more...
Education (3):
  • 2007 - 2010 Kyushu University Graduate School of Engineering PhD
  • 1984 - 1986 Kyushu University Graduate School of Engineering Master
  • 1980 - 1984 Kyushu University School of Engineering Bachelor
Professional career (2):
  • PhD (Engineering) (Kyushu University)
  • Professional Engineer, Japan (Nuclear &Radiation)
Work history (5):
  • 2024/04 - 現在 Japan Atomic Energy Agency Collaborative Laboratories for Advanced Decommissioning Science and concurrent Radiation Sensing and Digitization Group
  • 2022/04 - 2024/03 Japan Atomic Energy Agency Remote System and Sensing Technology Division, Collaborative Laboratories for Advanced Decommissioning Science Division Head
  • 2018/04 - 2021/03 Japan Atomic Energy Agency Radiation Protection Department, Oarai Research and Development Institute Director
  • 2017/04 - 2018/03 Japan Atomic Energy Agency Department of Radiation Protection, Nuclear Science Research Institute Deputy Director
  • 2014/07 - 2017/03 Japan Atomic Energy Agency Health and Safety Department, Oarai Research and Development Center Deputy Director
Awards (1):
  • 2013/03 - Atomic Energy Society of Japan The 45th Atomic Energy Society of Japan Award, Paper Award Development of a microcalorimeter with transition edge sensor for detection of LX rays emitted by transuranium elements
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