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J-GLOBAL ID：202101021408972940   Update date: Feb. 08, 2024

Ohzu Akira

オオズ アキラ | Ohzu Akira
Affiliation and department：
Japan Atomic Energy Agency

About Japan Atomic Energy Agency


Research field  (1)： Measurement engineering
Research theme for competitive and other funds  (2)：
  • 2007 - 2008 Developmentof laser vaporizationand ionizationsource for seleotive analysis of trace elements in atmospheric particles by controlling vaporization temperature
  • 表面電離型質量分析計のイオン化率向上を目指した高周波電子衝撃型イオン源の開発
Papers (30)：
  • Furutaka Kazuyoshi, Ozu Akira, Toh Yosuke. Development of a DDA+PGA-combined non-destructive active interrogation system in "Active-N". Nuclear Engineering and Technology. 2023. 55. 11. 4002-4018
  • Tsuchiya Harufumi, Toh Yosuke, Ozu Akira, Furutaka Kazuyoshi, Kitatani Fumito, Maeda Makoto, Komeda Masao. Development of an integrated non-destructive analysis system, Active-N. Journal of Nuclear Science and Technology. 2023. 60. 11. 1301-1312
  • Maeda Makoto, Furutaka Kazuyoshi, Kureta Masatoshi, Ozu Akira, Komeda Masao, Toh Yosuke. Simulation study on the design of nondestructive measurement system using fast neutron direct interrogation method to nuclear materials in fuel debris. Journal of Nuclear Science and Technology. 2019. 56. 7. 617-628
  • Sakoda Akihiro, Nakatsuka Yoshiaki, Ishimori Yuu, Nakashima Shinichi, Komeda Masao, Ozu Akira, Toh Yosuke. Production and detection of fission-induced neutrons following fast neutron direct interrogation to various dry materials containing $^{235}$U. Journal of Nuclear Science and Technology. 2018. 55. 6. 605-613
  • Komeda Masao, Ozu Akira, Mori Takamasa, Nakatsuka Yoshiaki, Maeda Makoto, Kureta Masatoshi, Toh Yosuke. Study of the neutron multiplication effect in an active neutron method. Journal of Nuclear Science and Technology. 2017. 54. 11. 1233-1239
ｍore...
MISC (65)：
  • Furutaka Kazuyoshi, Ozu Akira, Toh Yosuke. The Design and implementation of the PGA measurement system in an integrated Active Neutron non-destructive analysis system, "Active-N". Proceedings of INMM \& ESARDA Joint Virtual Annual Meeting (Internet). 2021. 9
  • Toh Yosuke, Ozu Akira, Tsuchiya Harufumi, Furutaka Kazuyoshi, Kitatani Fumito, Komeda Masao, Maeda Makoto, Koizumi Mitsuo. Development of an integrated active neutron non-destructive analysis system; Active-N. Proceedings of INMM \& ESARDA Joint Virtual Annual Meeting (Internet). 2021. 8
  • Ozu Akira, Maeda Makoto, Komeda Masao, Toh Yosuke. Improvement of detection limit in differential die-away analysis system for nuclear non-proliferation and nuclear security. Proceedings of 2019 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC 2019), Vol.1. 2020. 101-104
  • Ozu Akira, Maeda Makoto, Komeda Masao, Toh Yosuke. Performance evaluation of differential die-away system in an integrated active neutron NDA system for nuclear non-proliferation and nuclear security. Proceedings of 2018 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC 2018) (Internet). 2019. 4
  • Toh Yosuke, Ozu Akira, Tsuchiya Harufumi, Furutaka Kazuyoshi, Kitatani Fumito, Komeda Masao, Maeda Makoto, Koizumi Mitsuo. Development of active neutron NDA system for radioactive nuclear materials. Proceedings of INMM 60th Annual Meeting (Internet). 2019. 7
ｍore...
Patents (24)：
  • 核分裂性物質量の測定方法、及び測定装置
  • シンチレータを用いた中性子検出器及び中性子イメージ検出器
  • NEUTRON DETECTOR AND NEUTRON IMAGE DETECTOR WITH SCINTILLATOR
  • Detecteur de neutrons et detecteur d'image de neutrons avec une plaque-scintillateur
  • NEUTRON DETECTOR AND NEUTRON IMAGE DETECTOR WITH SCINTILLATOR PLATE
ｍore...
Lectures and oral presentations  (77)：
  • Development of active neutron nondestructive assay system
    (17th International Symposium on Capture Gamma-Ray Spectroscopy and Related Topics (CGS17))
  • Development of active neutron NDA system for nuclear non-proliferation and nuclear security, 7-1; Project overview
    (日本原子力学会2022年春の年会)
  • Development of active neutron NDA system for nuclear non-proliferation and nuclear security, 7-2; Measurements with the Differential Die-away Analysis (DDA) part
    (日本原子力学会2022年春の年会)
  • Development of an active neutron NDA apparatus for nuclear non-proliferation and nuclear security, 7-3; Measurements with the Prompt Gamma-ray Analysis (PGA) part
    (日本原子力学会2022年春の年会)
  • Non-destructive measurement systems for nuclear materials
    (テロ対策特殊装備展'21)
ｍore...
Awards (10)：
  • 2019/04 - 文部科学省 平成31年度 科学技術分野の文部科学大臣表彰 科学技術賞(開発部門) 核燃料物質管理のための革新的高感度センシング技術の開発
  • 2017/03 - (社)日本原子力学会 第49回日本原子力学会賞 特賞 技術賞 実廃棄物ドラム缶中のウラン量を高精度で計量可能とする革新的非破壊測定技術
  • 2016/11 - 日本原子力研究開発機構 創意工夫功労賞(団体) 連携によるウラン廃棄物処理及び測定技術の改良
  • 2014/11 - 核物質管理学会日本支部 優秀論文賞 高速中性子直接問いかけ法によるウラン廃棄物中のウラン量測定の実用化研究
  • 2014/11 - 核物質管理学会 表彰状 優秀論文賞
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