Journal Paper

• Daisuke Hara, Hiroshi Sagara. Design of a robust physical protection system for offshore floating nuclear power plants against ship-boarding threats: (1) Vital Area Identifications, Journal of Nuclear Science and Technology, Taylor and Francis, June 2025.
• Daisuke Hara, Hiroshi Sagara. Design of a Robust Physical Protection System for Offshore Floating Nuclear Power Plants against Ship-Boarding Threats: (2) Timeline Analysis, Journal of Nuclear Science and Technology, July 2025.
• Akito Oizumi, Hiroshi Sagara. Rational physical protection design of transuranium fuel cycle site with accelerator-driven system by using material attractiveness, Annals of Nuclear Energy,, Science Direct, Vol. 223, June 2025.
• Eva M. Lisowski, Hiroshi Sagara. Increased 238Pu Production in Proliferation-Resistant U-10Zr Fuel Produced from Reprocessed Uranium Containing Unseparated 237Np, Nuclear Technology, Vol. 211, Issue 8, Jan. 2025.
• Hiroshi SAGARA. Discussion on the 3S for Peaceful Use of Nuclear Energy for Future Generations 3 Concept of Nuclear Security and its implementation, Journal of Atomic Energy Society of Japan, Atomic Energy Society of Japan, Vol. 67, No. 4, p. 6-20, Apr. 2025.
• Katsuyoshi Tsuchiya, Hiroshi Sagara, Chi Young Han. Development of passive neutron emission tomography robust to its various inhibiting factors and its applicability to nuclear safeguards, Progress in Nuclear Science and Technology, Mar. 2025.  Official location  
• Natsumi Mitsuboshi, Hiroshi Sagara. Evaluation for proliferation resistance of small and medium modular LWRs with U3Si2 fuel, Progress in Nuclear Science and Technology, Mar. 2025.  Official location  
• Kim Wei Chin, Hiroshi Sagara, Jun-ichi Hori, Yoshiyuki Takahashi. Measurement system requirements for photofission signal detection with coincidence neutron counting method, Progress in Nuclear Science and Technology, Mar. 2025.  Official location  
• Hong Fatt Chong, Hiroshi Sagara. Once-through high burnup fuel management strategy with dual neutron energy spectrum core in high-temperature gas-cooled reactor, Progress in Nuclear Science and Technology, Mar. 2025.  Official location  
• Daisuke Hara, Hiroshi Sagara. Proliferation resistance analysis of Offshore Floating Nuclear Power Plant, Progress in Nuclear Science and Technology, Mar. 2025.  Official location  
• Akito Oizumi, Hiroshi Sagara. Safeguards approach and design of transuranium fuel cycle with accelerator-driven system based on material attractiveness, Progress in Nuclear Science and Technology, Mar. 2025.  Official location  
• Haruka Okazaki, Masatoshi Kawashima, Hiroshi Sagara. Safety and proliferation resistance of small-sized sodium-cooled fast reactors with passive shutdown devices, Progress in Nuclear Science and Technology, Mar. 2025.  Official location  
• Kosuke Tanabe, Masao Komeda, Yosuke Toh, Hiroshi Sagara. Characterization of water Cherenkov neutron detector with high efficiency, availability, and affordability for nuclear security, Progress in Nuclear Science and Technology, Mar. 2025.  Official location  
• Taketeru Nagatani, Yoshihiro Kosuge, Hiroshi Sagara, Sho Nakaguki, Takayoshi Nohmi, Keisuke Okumura. Development of a method for the determination of spontaneous fission nuclides in irradiated fuel and applicability to Pu quantification in fuel debris by dual time neutron measurements, Progress in Nuclear Science and Technology, Mar. 2025.  Official location  
• Hiroshi Sagara, Masatoshi Kawashima, Koji Morita, Wei Liu, Tatsumi Arima, Yuji Arita, Isamu Sato, Haruaki Matsuura, Yoshihiro Sekio. Development of a passive safety shutdown device to prevent core damage accidents in fast reactors; performance of the device in reactivity control and nuclear material management, Progress in Nuclear Science and Technology, Mar. 2025.  Official location  

International Conference (Not reviewed / Unknown)

• Aya Eguchi, Hiroshi Sagara, Natsumi Mitsuboshi, Taketeru Nagatani. Applicability of passive neutron non-destructive assay technique -DDSI method- for Pu quantification in advanced fuels, International Symposium on Green Transformation Initiative and Innovative Zero-Carbon Energy Systems(GXI-ZES), Jan. 2025.
• Hong Fatt Chong, Hiroshi Sagara. Safety Properties of High-Temperature Gas-Cooled Reactor Core Layouts to Directly Reuse HALEU Spent Fuel, International Symposium on Green Transformation Initiative and Innovative Zero-Carbon Energy Systems(GXI-ZES), Jan. 2025.
• Chi Young HAN, Hiroshi SAGARA, Hidekazu ASANO. Material Balance in MA Separation and Recycling for Environmental Load Reduction in Nuclear Fuel Cycle, International Symposium on Green Transformation Initiative and Innovative Zero-Carbon Energy Systems(GXI-ZES), Jan. 2025.
• Mori Yusuke, Sagara Hiroshi, Chong Hong Fatt. Impact of Uranium-silicide fuels on simultaneous enhancement of nuclear safety-security features and fuel lifetime extension in large scale LWRs, International Symposium on Green Transformation Initiative and Innovative Zero-Carbon Energy Systems(GXI-ZES), Jan. 2025.
• Hiroshi SAGARA. Recycling RepU Containing Unseparated Np-237 to Improve the Sustainability and Proliferation-Resistance of Sodium-Cooled Fast Reactor Fuel Cycles, International Symposium on Green Transformation Initiative and Innovative Zero-Carbon Energy Systems(GXI-ZES), Jan. 2025.
• Krittanai Kiatkongkaew, Hiroshi Sagara, Kosuke Tanabe, Tatsuya Katabuchi, Chikako Ishizuka, Risa Kunitomo. Numerical Analysis of Photonuclear Reaction Detection using High Energy Gamma-ray from 7Li(p,g)8Be Triggered by Proton Accelerator, International Symposium on Green Transformation Initiative and Innovative Zero-Carbon Energy Systems(GXI-ZES), Jan. 2025.
• Koji Tsutsui, Hiroshi Sagara. Evaluation of Measures for Enhancing the Efficiency of International Safeguards Activities Applied to SMRs, International Symposium on Green Transformation Initiative and Innovative Zero-Carbon Energy Systems(GXI-ZES), Jan. 2025.
• Tatsuya Katabuchi, Risa Kunitomo, Hiroshi Sagara, Chikako Ishizuka, Krittanai Kiatkongkaew, Kosuke Tanabe. Development of a Detection Technique for Nuclear Materials Using Gamma-rays from the Proton-Lithium Nuclear Reaction, International Symposium on Green Transformation Initiative and Innovative Zero-Carbon Energy Systems(GXI-ZES),, Jan. 2025.
• Hayato Sato, Hiroshi Sagara, Chi Young Han, Yoshiki Kimura, Kosuke Tanabe. Estimating the origin of reprocessed Pu for Nuclear Forensics, International Symposium on Green Transformation Initiative and Innovative Zero-Carbon Energy Systems(GXI-ZES), Jan. 2025.
• Shotaro Terayama, Hiroshi Sagara, Lisowski Eva. Safeguards by design of sodium-cooled fast reactor with online re-fueling function, International Symposium on Green Transformation Initiative and Innovative Zero-Carbon Energy Systems(GXI-ZES), 2025.

Domestic Conference (Not reviewed / Unknown)

• Shotaro Terayama, Hiroshi Sagara, Eva Lisowski. Safeguards by design of sodium-cooled fast reactor with online re-fueling function, 日本原子力学会2025年春の年会, Mar. 2025.
• Aya Eguchi, Hiroshi Sagara, Natsumi Mitsuboshi, Taketeru Nagatani. Applicability of passive neutron non-destractive assay techniqe -neutron coincidence counting- for Pu quantification in MOX fuel containing MA, AESJ 2025 Spring Mtg, Mar. 2025.

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