Japan Atomic Energy Agency   Integreted Support Center of Nuclear Non-proliferation and Nuclear Security   Senior Post-doctral Fellow

2011.4 - 2013.3

Idaho National Laboratory   Nuclear Fuels and Materials Division, Nuclear Science & Technology   Visiting Scientist

2008.10 - 2009.10

Tokyo Institute of Technology   Research Laboratory for Nuclear Reactor   Assistant Professor

2007.4 - 2014.2

Tokyo Institute of Technology   Research Laboratory for Nuclear Reactors, System and Safety Engineering   Assistant Professor

2007.4 - 2014.2

Tokyo Institute of Technology   Research Laboratory for Nuclear Reactors / System and Safety Engineering   Assistant Professor

2005.4 - 2007.3

International Atomic Energy Agency   Nuclear Fuel Cycle & Waste, Department of Energy   Intern

2004.1 - 2004.3

Tokyo Institute of Technology   Research Laboratory for Nuclear Engineering   Research Assistant

2003 - 2005

University of California Berkeley, USA   Department of Nuclear Engineering   Visiting Scholar

2000.6 - 2001.3

Safety and proliferation resistance of small-sized sodium-cooled fast reactors with passive shutdown devices

Haruka Okazaki, Masatoshi Kawashima, Hiroshi Sagara

Progress in Nuclear Science and Technology   2025.3

Development of passive neutron emission tomography robust to its various inhibiting factors and its applicability to nuclear safeguards

Katsuyoshi Tsuchiya, Hiroshi Sagara, Chi Young Han

Progress in Nuclear Science and Technology   2025.3

Evaluation for proliferation resistance of small and medium modular LWRs with U3Si2 fuel

Natsumi Mitsuboshi, Hiroshi Sagara

Progress in Nuclear Science and Technology   2025.3

Characterization of water Cherenkov neutron detector with high efficiency, availability, and affordability for nuclear security

Kosuke Tanabe, Masao Komeda, Yosuke Toh, Hiroshi Sagara

Progress in Nuclear Science and Technology   2025.3

Measurement system requirements for photofission signal detection with coincidence neutron counting method

Kim Wei Chin, Hiroshi Sagara, Jun-ichi Hori, Yoshiyuki Takahashi

Progress in Nuclear Science and Technology   2025.3

Once-through high burnup fuel management strategy with dual neutron energy spectrum core in high-temperature gas-cooled reactor

Hong Fatt Chong, Hiroshi Sagara

Progress in Nuclear Science and Technology   2025.3

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

Hiroshi Sagara, Masatoshi Kawashima, Koji Morita, Wei Liu, Tatsumi Arima, Yuji Arita, Isamu Sato, Haruaki Matsuura, Yoshihiro Sekio

Progress in Nuclear Science and Technology   2025.3

Increased 238Pu Production in Proliferation-Resistant U-10Zr Fuel Produced from Reprocessed Uranium Containing Unseparated 237Np

Eva M. Lisowski, Hiroshi Sagara

Nuclear Technology   Vol. 211 ( Issue 8 )   2025.1

A simulation study of hypervelocity jet underwater: physical protection design of offshore floating nuclear power plant against light torpedo threats

Daisuke Hara, Hiroshi Sagara

Journal of Nuclear Science and Technology   2024.11

The Behavior of Hyper velocity Jet in the Water Generated by Shaped Charge

Daisuke Hara, Hiroshi Sagara

Vol. 62 ( Issue 3 )   2024.11

Compact and transportable system for detecting lead-shielded highly enriched uranium using 252Cf rotation method with a water Cherenkov neutron detector

Kosuke Tanabe, Masao Komeda, Yosuke Toh, Yasunori Kitamura, Tsuyoshi Misawa, Ken’ichi Tsuchiya, Hiroshi Sagara

Scientific Reports   Vol. 14   2024.8

Development of a Passive Reactor Shutdown Device to Prevent Core Disruptive Accidents in Fast Reactors: A Study on Device Specifications: A Study on Device Specifications

Koji Morita, Wei Liu, Tatsumi Arima, Yuji Arita, Isamu Sato, Haruaki Matsuura, Yoshihiro Sekio, Hiroshi Sagara, Masatoshi Kawashima

Journal of Nuclear Engineering and Radiation Science   Vol. 9 ( No. 4 )   2023.10

Development of a water Cherenkov neutron detector for the active rotation method and demonstration of nuclear material detection

Kosuke Tanabe, Masao Komeda, Yosuke Toh, Yasunori Kitamura, Tsuyoshi Misawa, Ken’ichi Tsuchiya, Norimitsu Akiba, Hidetoshi Kakuda, Kazunari Shibasaki, Hiroshi Sagara

Journal of Nuclear Science and Technology   Vol. 60 ( 7 )   2023.7

Proliferation Resistance Analysis of Offshore Floating Nuclear Power Plant

Daisuke Hara, Hiroshi Sagara

Energy Reports   2023.6

Safeguards Approach and Design of Transuranium Fuel Cycle with Accelerator-driven System based on Material Attractiveness

Akito Oizumi, Hiroshi Sagara

Energy Reports   2023.6

Once-through High Burnup Fuel Management Strategy with Dual Neutron Energy Spectrum Core in HTGR

Hong Fatt Chong, Hiroshi Sagara

Energy Reports   2023.6

原子力システム研究開発事業2022年報告書

朝野英一, 桜木智史, 浜田 涼, 韓 治暎, 中瀬正彦, 松村 達郎, 千葉 豪, 相樂 洋, 竹下健二

原子力システム研究開発事業（放射性廃棄物減容・有害度低減技術研究開発）2022年報告書   2023.4

Applicability of Differential Die-Away Self-Interrogation Technique for Quantification of Spontaneous Fission Nuclides for Fuel Debris at Fukushima Daiichi Nuclear Power Plants

T. Nagatani, H. Sagara, Y. Kosuge, T. Nohmi, K. Okumur

Journal of Nuclear Science and Technology   Vol. 60 ( Issue 4 )   2023.4

Development of a Passive Reactor Shutdown Device to Prevent Core Disruptive Accidents in Fast Reactors: A Preliminary Study

Koji Morita, Wei Liu, Tatsumi Arima, Yuji Arita, Isamu Sato, Haruaki Matsuura, Yoshihiro Sekio, Hiroshi Sagara, Masatoshi Kawashima

Journal of Nuclear Engineering and Radiation Science   Vol. 9 ( No. 2 )   2023.3

Bulletin of the Laboratory for Zero-Carbon Energy International journal

YUKITAKA KATO, HIROAKI TSUTSUI, Hiroshi SAGARA

Vol. 1   2023.1

A novel method of neptunium-237 detection in its separated form and advanced fuel based on photonuclear reactions

Kosuke Tanabe, Hiroshi Sagara

Annals of Nuclear Energy   Vol. 170   2022.6

INMMJニュースレター

相樂洋

INMMJニュースレター   ( No. 3 )   2022.6

INMMJニュースレター

相樂洋

2022.6

Material attractiveness evaluation of fuel assembly of accelerator-driven system for nuclear security and non-proliferation

Akito Oizumi, Takanori Sugawara, Hiroshi Sagara

Annals of Nuclear Energy   Vol. 169   2022.5

On the Numerical Method for Photofission-Based Nuclear Material Isotopic Composition Estimation in Thorium-Uranium Systems

Kim Wei Chin, Rei Kimura, Hiroshi Sagara, Kosuke Tanabe

Nuclear Science and Engineering   Vol. 196 ( No. 7 )   2022.4

原子力システム研究開発事業2021年報告書

朝野英一, 桜木智史, 浜田 涼, 韓 治暎, 中瀬正彦, 松村 達郎, 千葉 豪, 相樂 洋, 竹下健二

原子力システム研究開発事業（放射性廃棄物減容・有害度低減技術研究開発）2021年報告書   2022.4

Cross-disciplinary research on nuclear power systems to reduce the environmental impact of waste disposal

Hidekazu Asano, Chi Young Han, Masahiko Nakase, Hiroshi Sagara, Kenji Takeshita

Bulletin of the Laboratory for Advanced Nuclear Energy   Vol. 1 ( No. 2022 )   2022.3

Iterative Reconstruction Algorithm Comparison Using Poisson Noise Distributed Sinogram Data in Passive Gamma Emission Tomography

Shigeki Shiba, Hiroshi Sagara

J. NUCL. SCI. TECHNOL.   Vol. 150 ( Issue 6 )   2021.6

Effects of U3Si2 fuel and minor actinide doping on fundamental neutronics, nuclear safety, and security of small and medium PWRs in comparison to conventional UO2 fuel

Natsumi Mitsuboshi, Hiroshi Sagara

Annals of Nuclear Energy   Vol. 153   2021.4

原子力システム研究開発事業2020年報告書

朝野英一, 桜木智史, 浜田 涼, 韓 治暎, 中瀬正彦, 松村 達郎, 千葉 豪, 相樂 洋, 竹下健二

原子力システム研究開発事業（放射性廃棄物減容・有害度低減技術研究開発）2020年報告書   2021.4

Application of Photofission Reaction to Identify High-Enriched Uranium by Bremsstrahlung Photons

Kim Wei Chin, Hiroshi SAGARA, Chi Young HAN

Annals of Nuclear Energy   Vol. 158   2021.4

Passive gamma emission tomography with ordered subset expectation maximization method

Shigeki Shiba, Hiroshi Sagara

Annals of Nuclear Energy   Vol. 150 ( # 107823 )   2021.1

Proliferation resistance evaluation of an HTGR transuranic fuel cycle using PRAETOR code

Takeshi Aoki, Sunil Chirayath, Hiroshi Sagara

Annals of Nuclear Energy   Vol. 141 ( # 107325 )   2020.6

Development of a User-Friendly Interface IRONS for Atmospheric Dispersion Database for Nuclear Emergency Preparedness Based on the Fukushima Database

Hamza EL-ASAAD, Haruyasu NAGAI, Hiroshi SAGARA, Chi Young HAN

Annals of Nuclear Energy   Vol. 141   2020.6

MLEM reconstruction method applied to partial defect verification using simulated data

Shigeki Shiba, Hiroshi Sagara

Annals of Nuclear Energy   Vol. 139   2020.5

原子力システム研究開発事業2019年報告書

朝野英一, 桜木智史, 浜田 涼, 韓 治暎, 中瀬正彦, 松村 達郎, 千葉 豪, 相樂 洋, 竹下健二

原子力システム研究開発事業（放射性廃棄物減容・有害度低減技術研究開発）2019年報告書   2020.4

Nuclear system research based on the environmental impact of waste disposal,

Hidekazu Asano, Tomohiro Okamura, Eriko Minari, Masahiko Nakase, H.Sagara, Kenji Takeshita

Bulletin of the Laboratory for Advanced Nuclear Energy   Vol. 5 ( No. )   2020.3

Fast reconstruction of Bayesian iterative approximation in passive gamma-ray tomography

Shigeki Shiba, Hiroshi Sagara

Journal of Nuclear Science and Technology   57 ( 5 )   2019.12

Material Attractiveness Evaluation of Inert Matrix Fuel for Nuclear Security and Non-proliferation

Takeshi AOKI, Hiroshi SAGARA, Chi Young HAN

Annals of Nuclear Energy   Vol. 126   2019.4

An Innovative Fast Reactor Core Design for Rapid Reduction of Separated Pu and Its Proliferation Concerns

Rie FUJIOKA, Hiroshi SAGARA, Chi Young HAN

Annals of Nuclear Energy   Vol. 125   2019.3

Effective use of 234U in Throium fuel cycle Reviewed

Masahiko Nakase, Eriko Minari, Tomohiro Okamura, Hiroshi Sagara, Masaki Saito, Kenji Takeshita

Paper of International Conference on the Management of Spent Fuel from Nuclear Power Reactors: Learning from the Past, IAEA, Vienna, Austria   2019

Impacts of 240Pu self-shielding effect and uncertainties of σ(n,γ) at resonance energy on the reactivity controllability in HTGR inert matrix fuel

Takeshi Aoki, Hiroshi Sagara, Chi Young Han

Progress in Nuclear Science and Technology   5   100 - 103   2018.11

Feasibility study on TRISO fuel particle for the efficient Pu incineration and 3S features enhancement in HTGR

Takeshi Aoki, Hiroshi Sagara, Chi Young Han

Progress in Nuclear Science and Technology   Vol. 5   2018.9

High Burn-up Operation and MOX Burning in LWR; Effects of Burn-up and Extended Cooling Period of Spent Fuel on Vitrification and Disposal

Kota Kawai, Hiroshi Sagara, Kenji Takeshita, Masahiro Kawakubo, Hidekazu Asano, Yaohiro Inagaki, Yuichi Niibori, Seichi Sato

Journal of Nuclear Science and Technology   Vol. 55 ( No. 10 )   2018.6

Nuclear Safety and Security Education Program at Tokyo Tech

Chi Young HAN, Hiroshi SAGARA, Masaki Saito, Masayuki IGASHIRA

Journal of Nuclear Materials Management   Vol. 46 ( No. 1 )   2018.1

Characterization study of four candidate technologies for nuclear material quantification in fuel debris at Fukushima Daiichi Nuclear Power Station Reviewed

Nagatani Taketeru, Komeda Masao, Shiba Tomooki, Nauchi Yasushi*, Maeda Makoto, Sagara Hiroshi*, Kosuge Yoshihiro*, Kureta Masatoshi, Tomikawa Hirofumi, Okumura Keisuke, Heinberg C., Hori Keiichiro

Energy Procedia   131   258 - 263   2017.12

Consideration of Enhanced Safety Based on CMR-concept for Large Fast Reactor

Masatoshi Kawashima, Hiroshi Sagara

Energy Procedia   Vol. 131   2017.12

User Interface of Atmospheric Dispersion Simulation for Nuclear Emergency Countermeasures

H. El-Asaad, H. Sagara, H. Nagai

Energy Procedia   Vol. 131   2017.12

PHITS Benchmarking for HPGe Detector Efficiency

Yoga Peryoga, Hiroshi Sagara, Tomooki Shiba

Energy Procedia   Vol. 131   2017.12

Applicability Study of the Photofission Based Nuclear Material Isotopic Composition Measurement Method on the Thorium Uranium System

Rei Kimura, Hiroshi Sagara, Satoshi Chiba

Energy Procedia   Vol.   2017.12

Simple Method to Create Gamma Ray Source Spectrum for Passive Gamma Technique Reviewed

T. Shiba, Shigetaka Maeda, Hiroshi Sagara, A. Ishimi, H. Tomikawa

Energy Procedia   Vol. 131   250 - 257   2017.12

Estimation Technique of Cs Retention Fraction in Irradiated Nuclear Fuel with Intact/Damaged Form

Sagara, Hiroshi;, Nakahara, Kazuki;, Han, Chi Young

Transactions of the American Nuclear Society   2016.7

Material Balance Area Design for the Transuranic Fuel Cycle Employing High Temperature Gas Cooled Reactors

Aoki, Takeshi ;, Chirayath, Sunil S. ;, Sagara, Hiroshi

Transactions of the American Nuclear Society   2016.7

Principle validation of nuclear fuel material isotopic composition measurement method based on photofission reactions

Rei Kimura, Hiroshi Sagara, Satoshi Chiba

J. NUCL. SCI. TECHNOL.   Vol. 53 ( Issue 12 )   2016.5

Feasibility study of the fast breeder reactor blanket as a target of plutonium denaturing and TRU transmutation for enhancement of proliferation resistance and actinide management in the future fuel cycle

H. Sagara, K. Matsumoto, I. Yamauchi, K. Nakao, C. Y. Han, T. Onishi, S. Koyama

Prog. Nucl. Energy   Vol. 82   2015.7

Feasibility study of passive gamma spectrometry of molten core material from Fukushima Dai-ichi nuclear power plant unit 1, 2 and 3 cores for special nuclear material accountancy - Low-volatile FP & special nuclear material inventory analysis and fundamental characteristics of gamma-ray from fuel debris

H. Sagara, H. Tomikawa, M. Watahiki, Y. Kuno

J. NUCL. SCI. TECHNOL.   Vol. 51 ( No. 1 )   2014.1

Effect of radial zoning of Am-241 content on homogenization of denatured Pu with broad range of neutron energy based on U irradiation test in the experimental fast reactor Joyo Reviewed

Shiba Tomooki, Sagara Hiroshi, Ohnishi Takashi, Koyama Shin-ichi, Maeda Shigetaka, Han Chi Young, Saito Masaki

ANNALS OF NUCLEAR ENERGY   51   74 - 80   2013.1

Optimization study on accelerator driven system design for effective transmutation of Iodine-129

K. Ismailov, K Nishihara, M. Saito, H. Sagara

Ann. Nucl. Energy   Vol. 56   2013

A feasibility study on long-life reduced-moderation water reactor with highly protected Pu breeding by doping with minor actinides

E. Hamase, F. Damian, C. Poinot-salanon, M. Saito, H. Sagara, C. Y. Han

Ann. Nucl. Energy   Vol. 54   2013

Effect of radial zoning of 241Am content on homogenization of denatured Pu with broad range of neutron energy based on U irradiation test in the experimental fast reactor Joyo

T. Shiba, H. Sagara, T. Ohnishi, S. Koyama, S. Maeda, C. Y. Han, M. Saito

Ann. Nucl. Energy   Vol. 51   2013

Evaluation of proliferation resistance of plutonium based on spontaneous fission neutron emission rate Reviewed

Yoshiki Kimura, Masaki Saito, Hiroshi Sagara, Chi Young Han

ANNALS OF NUCLEAR ENERGY   46   152 - 159   2012.8

Protected plutonium production at fast breeder reactor blanket - Chemical analysis of uranium-238 samples irradiated in the experimental fast reactor Joyo Reviewed

Takashi Ohnishi, Shin-ichi Koyama, Tomooki Shiba, Hiroshi Sagara, Masaki Saito

PROGRESS IN NUCLEAR ENERGY   57   125 - 129   2012.5

Neutronics analysis of Americium-based fuel for long-life core Reviewed

Masanori Nakamura, Masaki Saito, Hiroshi Sagara

ANNALS OF NUCLEAR ENERGY   43   77 - 82   2012.5

Effect of neutron moderator on protected plutonium production in fast breeder reactor blanket

Koji Matsumoto, Hiroshi Sagara, Chi Young Han, Takashi Ohnishi, Masaki Saito, Ippei Yamauchi

Transactions of the American Nuclear Society   107   1018 - 1019   2012

Neutronics analysis of Americium-based fuel for long-life core

Nakamura, M., Saito, M., Sagara, H.

Annals of Nuclear Energy   43   2012

Long-life Fast Breeder Reactor with High Protected Pu Breeding by Introducing Axial Inner Blanket and Doping Minor Actinides

E. Hamase, H. Sagara, C. Y. Han

Ann. Nucl. Energy   Vol. 44 ( No. 1 )   2012

Protected Plutonium Production at fast breeder reactor blanket –chemical analysis of uranium-238 samples irradiated in experimental fast reactor JOYO

Hiroshi SAGARA

Prog. Nucl. Energy   Vol. 57 ( No. 1 )   2012

Improvement of Evaluation Methodology of Plutonium for Intrinsic Feature of Proliferation Resistance Based on Its Isotopic Barrier

Hiroshi SAGARA

Ann. Nucl. Energy   Vol. 40 ( No. 1 )   2012

Evaluation of proliferation resistance of plutonium based on spontaneous fission neutron emission rate

Kimura, Y., Saito, M., Sagara, H., Han, C.Y.

Annals of Nuclear Energy   46   2012

Irradiation analysis of U, Am samples irradiated in experimental fast reactor "Joyo" for protected plutonium production in fast breeder reactor blanket Reviewed

Hiroshi Sagara, Shin-ichi Koyama, Masaki Saito

PROGRESS IN NUCLEAR ENERGY   53 ( 7 )   952 - 957   2011.9

Evaluation of Proliferation Resistance of Plutonium Based on Decay Heat Reviewed

Yoshiki Kimura, Masaki Saito, Hiroshi Sagara

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY   48 ( 5 )   715 - 723   2011.5

Extension of core life-time in fast breeder reactor by introducing inner blanket and doping minor actinides

E. Hamase, H. Sagara

Ann. Nucl. Energy   Vol. 38 ( No. 7 )   2011

Study on Improvement of Pu Breeding in FBR

OIZUMI Akito, SAITO Masaki, SAGARA Hiroshi, PERMANA Sidik, SUZUKI Mitsutoshi

Proceedings of Annual / Fall Meetings of Atomic Energy Society of Japan   2011s   219 - 219   2011

Irradiation analysis of U, Am samples irradiated in experimental fast reactor "joyo" for protected plutonium production in fast breeder reactor blanket

Sagara, H., Koyama, S.-I., Saito, M.

Progress in Nuclear Energy   53 ( 7 )   2011

Development of methodology for plutonium categorization (IV) - Effect of compression on rossi-alpha

Yoshiki Kimura, Masaki Saito, Hiroshi Sagara

Transactions of the American Nuclear Society   105   252 - 253   2011

Evaluation of proliferation resistance of plutonium based on decay heat

Kimura, Y., Saito, M., Sagara, H.

Journal of Nuclear Science and Technology   48 ( 5 )   2011

FEASIBILITY OF URANIUM SPALLATION TARGET IN ACCELERATOR DRIVEN SYSTEM

K. ISMAILOV, H. SAGARA, K. NISHIHARA

Prog. Nucl. Energy   Vol. 53 ( No. 7 )   2011

Denaturing Generated Pu in Fast Breeder Reactor Blanket Reviewed

Yoshitalia Meiliza, Masaki Saito, Hiroshi Sagara

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY   47 ( 10 )   853 - 866   2010.10

Protected Plutonium Production by Transmutation of Minor Actinides for Peace and Sustainable Prosperity - Irradiation Tests of Np and Np-U Samples in the Experimental Fast Reactor JOYO (JAEA) and the Advanced Test Reactor at INL - Reviewed

Shin-ichi Koyama, Masahiko Osaka, Masahiko Itoh, Hiroshi Sagara, Masaki Saito

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY   47 ( 8 )   661 - 670   2010.8

Protected plutonium production by transmutation of minor actinides for peace and sustainable prosperity: -Irradiation tests of Np and Np-U samples in the experimental fast reactor JOYO (JAEA) and the advanced test reactor at INL-

Koyama, S.-I., Osaka, M., Itoh, M., Sagara, H., Saito, M.

Journal of Nuclear Science and Technology   47 ( 8 )   2010

Denaturing generated pu in fast breeder reactor blanket

Meiliza, Y., Saito, M., Sagara, H.

Journal of Nuclear Science and Technology   47 ( 10 )   2010

Development of methodology for plutonium categorization (III)-effect of radiation

Yoshiki Kimura, Masaki Saito, Hiroshi Sagara

Transactions of the American Nuclear Society   103   145 - 146   2010

ATR 2A/2B As-Run Neutronics Uncertainty Analysis Reviewed International journal

Hiroshi SAGARA, Gray Chang

INL/EXT-09-17197   2009.10

Transmutation of 126Sn in Spallation Targets of Accelerator-Driven Systems

C. Y. Han, H. Sagara

J Nucl Sci Technol   Vol. 46 ( No. 1 )   2009.1

Americium-241 irradiation analysis in experimental fast reactor joyo

Hiroshi Sagara, Tetsuro Yamamoto, Tomo-Oki Shiba, Shigetaka Maeda, Shin-Ichi Koyama, Masaki Saito

Transactions of the American Nuclear Society   101   765 - 766   2009

Radiation Dose as a Barrier against Proliferation for Advanced Fuel Compositions

V. Artisyuk, A. Takibayev, H.Sagara

J Nucl Sci Technol   Vol. 45 ( No. 10 )   2008.10

Feasibility of Reprocessed Uranium in LWR Fuel Cycle for Protected Plutonium Production

K. Fukuda, H. Sagara, T. Mitsuhashi, M. Ceyhan

J Nucl Sci Technol   Vol. 45 ( No. 10 )   2008.10

Protected Plutonium Breeding by Transmutation of Minor Actinides in Fast Breeder Reactor

Yoshitalia Meiliza, Hiroshi SAGARA

J. Nucl. Sci. Technol   Vol. 45 ( No. 3 )   2008.3

原子力で遊ぼう-東工大生による原子力ゲームコンテスト優秀作品集-

COE-INES Research Assistan, COE-INES

Vol. CD   2008.3

Perspectives of inventories of secondary nuclear materials generated in the nuclear energy production and mass balance in PPP cycle

kosaku fukuda, Y. Peryogaa, H. Sagara, M. Ceyhan

Progress in Nuclear Energy   Vol. 50 ( No. 2-6 )   2008.3

Development of methodology for plutonium categorization (II) - Improvement of evaluation function "attractiveness"-

Masaki Saito, Vladimir Artisyuk, Alan Takibayev, Kairat Ismailov, Hiroshi Sagara

Transactions of the American Nuclear Society   98   669   2008

Effect of Am on protected Pu production in the blanket of FBR

Yoshitalia Meiliza, Masaki Saito, Hiroshi Sagara

Transactions of the American Nuclear Society   98   677   2008

Application of Fusion Neutron Source for Denaturing of Plutonium

Alan Takibayev, Hiroshi Sagara

J. Nucl. Sci. Technol   Vol. 44 ( No. 8 )   2007.8

Protected plutonium production in fast breeder reactor - attractiveness of plutonium -

Yoshitalia Meiliza, Masaki Saito, Hiroshi Sagara

Transactions of the American Nuclear Society   97   939 - 940   2007

Development of methodology for plutonium categorization - The challenge of attractiveness

Masaki Saito, Vladimir Artisyuk, Alexey Ezoubtchenko, Hiroshi Sagara

Transactions of the American Nuclear Society   96   763 - 764   2007

Inherent Protection of Plutonium by Doping Minor Actinide in Thermal Neutron Spectra

Y. Peryoga, H. Sagara, M. Saito, A. Ezoubuchenko

Journal of Nuclear Science and Technology   42 ( 5 )   2005.5

Denaturing of plutonium by transmutation of minor-actinides for enhancement of proliferation resistance

Sagara, H., Saito, M., Peryoga, Y., Ezoubtchenko, A., Takivayev, A.

Journal of Nuclear Science and Technology   42 ( 2 )   2005

Improvement of Plutonium Proliferation Resistance by Doping Minor Actinides

Y. Peryoga, M. Saito, H. Sagara

Progress in Nuclear Energy   47 ( 1-4 )   2005

Fusion-driven transmutation of selected long-lived fission products

Takibayev, A., Saito, M., Artisyuk, V., Sagara, H.

Progress in Nuclear Energy   47 ( 1-4 )   2005

Proliferation resistance properties of U and Pu isotopes

Ezoubtchenko, A.A., Saito, M., Artisyuk, V.V., Sagara, H.

Progress in Nuclear Energy   47 ( 1-4 )   2005

Transmutation of Long-Lived Fission Products Driven by D-T and D-D Fusion: Specific Neutronics and Radiological Consequences

Stankovsky, Alexey ;, Saito, Masaki ;, Artissiouk, Vladimir V ;, Shmelev, Anatoly N ;, Sagara, Hiroshi

Fusion Science and Technology   2003.6

Transmutation of Long-Lived Fission Products Driven by D-T and D-D Fusion: Specific Neutronics and Radiological Consequences

A. Stankovsky, M. Saito, V. Artissiouk, A. N. Shmelev, H. Sagara

J. Fusion Sci. Technol   43 ( 4 )   569 - 569   2003.4

高強度中性子束を用いた90Srの核変換特性

相樂洋

2002.3

Estimating the origin of reprocessed Pu for Nuclear Forensics (2) Identification of Key Signature Nuclides

佐藤颯, 相楽洋, HAN Chi Young, 木村祥紀, 田辺鴻典

日本核物質管理学会年次大会論文集(Web)   45th   2024

Applicability of passive neutron non-destructive assay technique for Pu quantification in advanced fast fuels

江口綾, 相楽洋, 三星夏海, 長谷竹晃

日本核物質管理学会年次大会論文集(Web)   45th   2024

The Program of NRA Human Resource Development “Advanced Nuclear 3S Education and Training in Cyber-Physical Space (ANSET-CP)′′ (3) FY2024 Implementation Status

HAN Chi Young, 相楽洋, 松本義久, 林崎規託, 塚原剛彦, 池上雅子, 片渕竜也, 木倉宏成, 鷹尾康一朗, 吉田克己, 高須大輝, 松浦知史

日本核物質管理学会年次大会論文集(Web)   45th   2024

Development of a Detection Technique for Nuclear Materials Using the Proton-Lithium Nuclear Reaction as a Photon Source

片渕竜也, 國友理紗, 相楽洋, KIATKONGKAEW Krittanai, 石塚知香子, 田辺鴻典

日本核物質管理学会年次大会論文集(Web)   45th   2024

Misuse Scenario Analysis of Accelerator-Driven System and the Effects of Dual C/S and Design Information Verification

大泉昭人, 相楽洋

日本核物質管理学会年次大会論文集(Web)   44th   2023

The Program of NRA Human Resource Development “Advanced Nuclear 3S Education and Training in Cyber-Physical Space (ANSET-CP)” (2) FY2023 Implementation Status

HAN Chi Young, 相楽洋, 松本義久, 林崎規託, 塚原剛彦, 池上雅子, 片渕竜也, 木倉宏成, 鷹尾康一朗, 吉田克己, 高須大輝, 松浦知史

日本核物質管理学会年次大会論文集(Web)   44th   2023

Feasibility on Offshore Floating Nuclear Power Plant in terms of 3S characteristics (2) Vital area identification and path analysis

原大輔, 相楽洋

日本核物質管理学会年次大会論文集(Web)   44th   2023

Damaging Mechanism of Reinforced Concrete Structure by Hypervelocity Projectile Impact-Effects on the Performance of Physical Protection System and Structural Safety-

井上週, 相楽洋

日本核物質管理学会年次大会論文集(Web)   44th   2023

Development of a passive reactor shutdown device to prevent core damage accidents in fast reactors-Feasbility Study on Extended Specifications of the Devices and its Nonproliferation Features-

川島正俊, 相楽洋, 守田幸路

日本核物質管理学会年次大会論文集(Web)   44th   2023

Estimating the origin of reprocessed Pu for Nuclear Forensics (1) Research Plan

佐藤颯, 相楽洋, 田辺鴻典

日本核物質管理学会年次大会論文集(Web)   44th   2023

Feasibility of muon tomography to monitoring reactors without refueling (1) Research plan

江口綾, 三星夏海, 相楽洋

日本核物質管理学会年次大会論文集(Web)   43rd   2022

Study on americium detection method based on photonuclear reactions

田辺鴻典, 田辺鴻典, 相楽洋

日本核物質管理学会年次大会論文集(Web)   43rd   2022

Development of a method for the determination of plutonium in fuel debris by dual times neutron measurements

長谷竹晃, 長谷竹晃, 相楽洋, 小菅義広, 中岫翔, 能見貴佳, 奥村啓介

日本核物質管理学会年次大会論文集(Web)   43rd   2022

Nuclear Regulation Human Resource Development Program “The Advanced Nuclear 3S Education and Training in Cyber-Physical space” (1) Overview and Planning

松本義久, 相楽洋, 千葉敏, 林崎規託, 塚原剛彦, 池上雅子, 片渕竜也, 木倉宏成, 鷹尾康一朗, 高須大輝, 吉田克己, 松浦知史

日本核物質管理学会年次大会論文集(Web)   43rd   2022

Non-proliferation Features in Partitioning and Transmutation Cycle using Accelerator-driven System (3) Safeguards by Design by using Material Attractiveness Evaluation for TRU fuel cycle

大泉昭人, 大泉昭人, 相楽洋

日本核物質管理学会年次大会論文集(Web)   43rd   2022

Development of a passive reactor shutdown device to prevent core damage accidents in fast reactors-Feasibility Study on Major Specification of the Devices and its Non-proliferation Features-

川島正俊, 相楽洋, 守田幸路

日本核物質管理学会年次大会論文集(Web)   43rd   2022

Feasibility on Offshore Floating Nuclear Power Plant in terms of 3S characteristics (1) Overview of Nuclear Security

原大輔, 相楽洋

日本核物質管理学会年次大会論文集(Web)   43rd   2022

Study of Nuclear Material Detection Using a Portable Active Neutron Method Device

田辺鴻典, 田辺鴻典, 米田政夫, 藤暢輔, 土屋兼一, 秋葉教充, 角田英俊, 相楽洋

応用物理学会秋季学術講演会講演予稿集(CD-ROM)   83rd   2022

Damaging mechanism of structural materials by hypervelocity projectile impact (1) Damaging mechanism of reinforced concrete

井上週, 相楽洋

日本核物質管理学会年次大会論文集(Web)   43rd   2022

Feasibility study on innovative small and medium modular light water reactor with inherent nuclear safety, security, and non-proliferation features (3) Evaluation for Proliferation Resistance

三星夏海, 相楽洋

日本核物質管理学会年次大会論文集(Web)   43rd   2022

Proposal of neptunium-237 detection method based on photonuclear reaction

田辺鴻典, 田辺鴻典, 相楽洋

日本核物質管理学会年次大会論文集(Web)   42nd   2021

Non-Destructive Assay Technology Using Passive Neutron Emission Tomography-Inhibiting Factor Sensitivity of Tomography Image-

土屋克嘉, 相楽洋, HAN Chi Young

日本核物質管理学会年次大会論文集(Web)   42nd   2021

Non-proliferation Features in Partitioning and Transmutation Cycle using Accelerator-driven System (2) Evaluation of Material Attractiveness of Uranium in ADS Fuel Assembly

大泉昭人, 大泉昭人, 菅原隆徳, 相楽洋, 相楽洋

日本核物質管理学会年次大会論文集(Web)   42nd   2021

Improving nuclear safety and security performance of small and medium scale fast reactors by a passive reactor shutdown device (1) Research Plan

岡崎陽香, 三星夏海, 川島正俊, 相楽洋

日本核物質管理学会年次大会論文集(Web)   42nd   2021

Nuclear Forensics Signatures of Spent Nuclear Fuel from Light Water Reactors

加賀山雄一, 相楽洋, HAN Chi Young, 木村祥紀

日本核物質管理学会年次大会論文集(Web)   42nd   2021

Feasibility study on innovative small and medium modular reactor with inherent nuclear safety, security, and non-proliferation features (2) Assessment of Material attractiveness of Np as a target material in (U,Np)₃Si₂ fuel

三星夏海, 相楽洋

日本核物質管理学会年次大会論文集(Web)   42nd   2021

Development of a passive reactor shutdown device to prevent core damage accidents in fast reactors-Feasibility of the innovative device-idea and its nonproliferation features-

川島正俊, 相楽洋, 守田幸路

日本核物質管理学会年次大会論文集(Web)   42nd   2021

The effect of nuclear fuel cycle scenario on TRU material balance and nuclear nonproliferation

寺山正太郎, HAN Chi Young, 相楽洋

日本核物質管理学会年次大会論文集(Web)   42nd   2021

Non-proliferation features of Accelerator-Driven System using TRU fuel with separation resistance of an actinide element.

山口紗希, 大泉昭人, 相楽洋

日本核物質管理学会年次大会論文集(Web)   42nd   2021

Design Study of Accelerator-Driven System with enhanced Non-proliferation Features using TRU-Silicide Fuel

山口紗希, 大泉昭人, 相楽洋

日本核物質管理学会年次大会論文集(Web)   41st   2020

Feasibility of Application of DDSI Assay Technique for Nuclear Material Quantification in Various Radioactive Waste Forms (2) Numerical analysis modeling and validation

中岫翔, 相楽洋, HAN Chi Young

日本核物質管理学会年次大会論文集(Web)   41st   2020

Non-proliferation Features in Partitioning and Transmutation Cycle using Accelerator-driven System-Evaluation of Material Attractiveness of Fuel Assembly in Early Period of Burnup Cycle-

大泉昭人, 大泉昭人, 菅原隆徳, 相楽洋

日本核物質管理学会年次大会論文集(Web)   41st   2020

Development of Non-destructive Assay Technique using Passive Neutron Emission Tomography and Applicability for Partial Defect Verification

徳田崇哉, 柴茂樹, 相楽洋

日本核物質管理学会年次大会論文集(Web)   41st   2020

Institutional and Technical Measures for Rational Nuclear Safeguards of Next Generation Nuclear Fuel Cycle (2) Effect on Reduction of Person-Days of Inspection by New Partnership Approach

筒井康二, 相楽洋

日本核物質管理学会年次大会論文集(Web)   41st   2020

Development of core analysis model and evaluation of the nuclear fuel cycle mass balance in molten salt fast reactor

青柳涼, 相楽洋, ASHRAF Osama, TIKHOMIROV Georgy, SMIRNOV Anton

日本核物質管理学会年次大会論文集(Web)   41st   2020

Feasibility study on small and medium modular light water reactors with inherent nuclear safety and non-proliferation features using U₃Si₃ fuel and RepU

三星夏海, 相楽洋

日本核物質管理学会年次大会論文集(Web)   41st   2020

Development of Image Reconstruction Technology using Passive Gamma Emission Tomography (3) Image reconstruction of passive gamma-ray source distribution of fuel debris in canister

柴茂樹, 相楽洋

日本核物質管理学会年次大会論文集(Web)   41st   2020

Light Water Reactor Type Discrimination Method Using Fuel Nuclide Composition Information for Nuclear Forensics

加賀山雄一, 相楽洋, HAN Chi Young

日本核物質管理学会年次大会論文集(Web)   41st   2020

核鑑識のための軽水炉由来照射済燃料核種組成の基本特性と判別指標の研究(1)研究計画

加賀山雄一, 相楽洋, HAN Chi Young

日本核物質管理学会年次大会論文集(Web)   40th   2019

東工大における原子力規制人材育成プログラム「原子力安全・核セキュリティ・保障措置教育の体系化と実践」(5)放射線災害対応実習

HAN Chi Young, 江幡修一郎, 片渕竜也, 千葉敏, 相楽洋

日本核物質管理学会年次大会論文集(Web)   40th   2019

パッシブγ・中性子線断層撮影法を用いた非破壊測定技術の研究(1)使用済燃料由来パッシブ中性子線断層撮影法の部分欠損検認への適用の研究計画

徳田崇哉, 柴茂樹, 相楽洋

日本核物質管理学会年次大会論文集(Web)   40th   2019

東京工業大学 原子力規制人材育成プログラム「原子力安全・核セキュリティ・保障措置教育の体系化と実践」(4)2019年度実施状況

江幡修一郎, HAN Chi Young, 相楽洋, 松本義久, 千葉敏, 林崎規託, 池上雅子, 尾本彰, 竹下健二, 片渕竜也, 木倉宏成, 鷹尾康一郎

日本核物質管理学会年次大会論文集(Web)   40th   2019

多様な放射性廃棄物内核物質量測定へのDDSI法の適用可能性(1)研究計画

中岫翔, 相楽洋, HAN Chi Young

日本核物質管理学会年次大会論文集(Web)   40th   2019

高い固有安全性・核セキュリティ性・核不拡散性を有する革新的中小型軽水炉の研究(1)MAおよび回収ウランを用いたシリサイド燃料

三星夏海, 相楽洋

日本核物質管理学会年次大会論文集(Web)   40th   2019

パッシブγ線断層撮影法を用いた画像再構成技術の開発(2)モックアップ燃料集合体中γ線源分布の画像再構成

柴茂樹, 相楽洋

日本核物質管理学会年次大会論文集(Web)   40th   2019

次世代核燃料サイクルの合理的な保障措置に向けた制度的・技術的方策に関する研究(1)研究計画

筒井康二, 相楽洋

日本核物質管理学会年次大会論文集(Web)   40th   2019

溶融塩高速炉の核不拡散性に関する研究

青柳涼, CHIRAYATH Sunil S., 相楽洋

日本核物質管理学会年次大会論文集(Web)   40th   2019

高い固有安全性・核不拡散性を有する軽水炉用燃料の研究(2)U-Puシリサイド燃料

天野宰, 相楽洋, HAN Chi Young

日本核物質管理学会年次大会論文集(Web)   40th   2019

パッシブγ線断層撮影法を用いた画像再構成技術の開発(1)統計的逐次近似法による使用済BWR燃料集合体中γ線源分布の画像再構成

柴茂樹, 相楽洋

日本核物質管理学会年次大会論文集(Web)   39th   2018

高い固有安全性・核不拡散性を有する軽水炉用燃料の研究(1)プルトニウム混合シリサイド燃料

天野宰, 相楽洋, HAN Chi Young, 藤縄主税

日本核物質管理学会年次大会論文集(Web)   39th   2018

高速炉サイクルシナリオによるTRU物質収支と核不拡散性への影響に関する研究(4)物質収支及び核不拡散性評価

藤岡里英, 相楽洋, HAN Chi Young

日本核物質管理学会年次大会論文集(Web)   39th   2018

核分裂性アクチノイド核種の核特性データベースの作成(2)Ac~Cfの評価

BARNG SooJun, 相楽洋, HAN Chi Young

日本核物質管理学会年次大会論文集(Web)   39th   2018

事故耐性燃料を用いた高安全性・高核拡散抵抗性を有する軽水炉の研究(2)U₃Si₂燃料の基本核特性

藤縄主税, 相楽洋

核物質管理学会日本支部年次大会論文集(Web)   37th   2016

核分裂性アクチノイド核種の核特性データベースの作成(2)Ac~Cfの裸の臨界球の質量・崩壊熱・中性子放出量・放射線量

BARNG Soo Jun, 相楽洋

核物質管理学会日本支部年次大会論文集(Web)   37th   2016

光核分裂反応に基づく核燃料物質同位体組成測定手法の計数比補正手法

木村礼, 相楽洋, 千葉敏

核物質管理学会日本支部年次大会論文集(Web)   37th   2016

パッシブγ線測定を用いたMOX軽水炉使用済燃料の簡便な燃焼度推定手法に関する研究

鍋田陽之輔, 相楽洋

核物質管理学会日本支部年次大会論文集(Web)   37th   2016

超高速衝突に対する構造物の損傷機構の研究-超高速衝突問題の数値解析手法の信頼性向上に関する検討-

菊原哲, 東出真澄, 片山雅英, 柳沢俊史, 相楽洋

核物質管理学会日本支部年次大会論文集(Web)   37th   2016

光核反応を用いた核燃料物質同位体組成測定手法の開発(1)原理確認

木村礼, 相楽洋, 千葉敏

核物質管理学会日本支部年次大会論文集(Web)   36th   2015

随伴FPパッシブガンマ測定による燃料デブリ内核物質量推定可能性の検討(3)-簡便な燃焼度推定手法の提案-

中原和基, 相楽洋, HAN Chi Young

核物質管理学会日本支部年次大会論文集(Web)   36th   2015

随伴FPパッシブガンマ測定による燃料デブリ内核物質量推定手法の現状報告

芝知宙, 相楽洋, 檜山徹, 富川裕文

核物質管理学会日本支部年次大会論文集(Web)   36th   2015

核分裂性アクチノイド核種の核特性データベースの作成

BARNG Soo Jun, 相楽洋

核物質管理学会日本支部年次大会論文集(Web)   36th   2015

随伴FPパッシブガンマ測定による燃料デブリ内核物質量推定可能性の検討(2)-仮想収納缶からの漏えいガンマ線特性-

芝知宙, 相楽洋, 富川裕文

核物質管理学会日本支部年次大会論文集(CD-ROM)   35th   2014

多重被覆粒子燃料における効率的なTRU燃焼方法と3S特性の研究

青木健, 相楽洋, HAN Chi Young

核物質管理学会日本支部年次大会論文集(CD-ROM)   35th   2014

高速炉サイクルシナリオによるTRU物質収支と使用済燃料の核不拡散性への影響に関する研究

相楽洋, 中尾健志

核物質管理学会日本支部年次大会論文集(CD-ROM)   35th   2014

「核拡散抵抗性及び核物質防護評価:仮想的ナトリウム冷却高速炉ケーススタディ」の報告と考察

相楽洋, 井上尚子, 川久保陽子, 綿引優

核物質管理学会日本支部年次大会論文集(CD-ROM)   32nd   2011

Evaluation of Measures for Enhancing the Efficiency of International Safeguards Activities Applied to SMRs International conference

Koji Tsutsui, Hiroshi Sagara

International Symposium on Green Transformation Initiative and Innovative Zero-Carbon Energy Systems(GXI-ZES)  2025.1 

Safeguards by design of sodium-cooled fast reactor with online re-fueling function International conference

Shotaro Terayama, Hiroshi Sagara, Lisowski Eva

International Symposium on Green Transformation Initiative and Innovative Zero-Carbon Energy Systems(GXI-ZES)  2025 

Material Balance in MA Separation and Recycling for Environmental Load Reduction in Nuclear Fuel Cycle International conference

Chi Young HAN, Hiroshi SAGARA, Hidekazu ASANO

2025.1 

Safety Properties of High-Temperature Gas-Cooled Reactor Core Layouts to Directly Reuse HALEU Spent Fuel International conference

Hong Fatt Chong, Hiroshi Sagara

International Symposium on Green Transformation Initiative and Innovative Zero-Carbon Energy Systems(GXI-ZES)  2025.1 

Applicability of passive neutron non-destractive assay techniqe-neutron coincidence counting-for Pu quantification in MOX fuel containing MA

江口綾, 相楽洋, 三星夏海, 長谷竹晃

日本原子力学会春の年会予稿集(CD-ROM)  2025 

将来世代のための原子力の平和利用の3S に関する討議（2）核セキュリティの概念とその実装

相樂洋

核不拡散・保障措置・核セキュリティ連絡会、学生連絡会 合同セッション, 日本原子力学会2024年秋の大会  2024.9 

Damage Mechanism of Reinforced Concrete Structures from Hypervelocity Projectile Impacts and Effects on Physical Protection System Performance

Shu Inoue, Hiroshi Sagara

AESJ 2024Annual Mtg  2024.3 

Identification of Key Signature Nuclides to Estimate the Origin of Reprocessed Pu for Nuclear Forensics

佐藤颯, 相楽洋, HAN Chi Young, 木村祥紀, 田辺鴻典

日本原子力学会秋の大会予稿集(CD-ROM)  2024 

Study of on-site detection technique for nuclear materials concealed in heavy metals

田辺鴻典, 米田政夫, 藤暢輔, 土屋兼一, 三澤毅, 北村康則, 相楽洋

応用物理学会秋季学術講演会講演予稿集(CD-ROM)  2024 

Neutronics and Safety Evaluation of Spent Fuel Direct Reuse in High-Temperature Gas-Cooled Reactor

CHONG Hong Fatt, 相楽洋

日本原子力学会秋の大会予稿集(CD-ROM)  2024 

Impact of Uranium-silicide fuels on enhancement of fuel lifetime, nuclear safety and security in large scale LWRs

森悠輔, 相楽洋

日本原子力学会秋の大会予稿集(CD-ROM)  2024 

Concept of Nuclear Security and its implementation

相楽洋

日本原子力学会秋の大会予稿集(CD-ROM)  2024 

Reprocessed U silicide fuel loaded Boiling Water Reactors for nuclear non-proliferation and effective utilization of uranium resource

Tomoki Azuma, Hiroshi Sagara

AESJ 2024 Annual Mtg  2024.3 

Recent Progress on Security-Safeguards of Small Modular Reactors

Hiroshi Sagara

44th Annual Mtg INNMJ  2023.11 

Feasibility study on detection and verification of minor actinides by NDA technique based on photonuclear reactions International conference

K. Tanabe, H. Sagara

The 2023 IEEE NSS MIC RTSD  2023.11 

Study on nuclear energy system considering environmental load reduction of waste disposal in diversification of nuclear fuel cycle conditions;(5)Environmental impact assessment of nuclear energy system and selection of nuclear fuel cycle options using cross-disciplinary approach and Multi-criteria Analysis International conference

Hidekazu Asano, Tomofumi Sakuragi, Ryo Hamada, Chi Young Han, Masahiko Nakase, Tatsuro Matsumura, Go Chiba, Hiroshi SAGARA, KENJI TAKESHITA

International Symposium on Zero-Carbon Energy Systems, IZES  2023.1 

Study on nuclear energy system considering environmental load reduction of waste disposal in diversification of nuclear fuel cycle conditions;(1)Evaluation of repository footprint and radiation effects in vitrified waste disposal using simplified MA separation International conference

Ryo Hamada, Hidekazu Asano, Tomofumi Sakuragi, Chi Young Han, Masahiko Nakase, Tatsuro Matsumura, Go Chiba, Hiroshi SAGARA, KENJI TAKESHITA

International Symposium on Zero-Carbon Energy Systems, IZES  2023.1 

Study on Nuclear Energy System Considering Environmental Load Reduction of Waste Disposal in Diversification of Nuclear Fuel Cycle Conditions;(4)Impact of the Spent Fuel Reprocessing Conditions on Fast Reactor Neutronics Property International conference

Go Chiba, Hidekazu Asano, Tomofumi Sakuragi, Ryo Hamada, Chi Young Han, Masahiko Nakase, Tatsuro Matsumura, Hiroshi SAGARA, KENJI TAKESHITA

International Symposium on Zero-Carbon Energy Systems, IZES  2023.1 

Study on Nuclear Energy System Considering Environmental Load Reduction of Waste Disposal in Diversification of Nuclear Fuel Cycle Conditions; (2) Impact of MA Separation and Recycle on the Material Balance of Nuclear Fuel Cycle International conference

Chi Young HAN, Hiroshi SAGARA, Hidekazu ASANO, Tomofumi SAKURAGI, Ryo HAMADA, Go CHIBA, Masahiko NAKASE, Tatsuro MATSUMURA, Kenji TAKESHITA

International Symposium on Zero-Carbon Energy Systems, IZES  2023.1 

Study on nuclear energy system considering environmental load reduction of waste disposal in diversification of nuclear fuel cycle conditions;(3)Simplification of MA separation process based on reasonable MA recovery rate by environmental impact assessment of radioactive waste disposal International conference

Tatsuro Matsumura, Hidekazu Asano, Tomofumi Sakuragi, Ryo Hamada, Chi Young Han, Masahiko Nakase, Go Chiba, Hiroshi SAGARA, KENJI TAKESHITA

International Symposium on Zero-Carbon Energy Systems, IZES  2023.1 

Development of a passive safety shutdown device to prevent core damage accidents in fast reactors (13) Evaluations on core performance with candidate device specifications

川島正俊, 相楽洋, 守田幸路, 有馬立身, LIU Wei, 有田裕二, 佐藤勇, 松浦治明, 関尾佳弘

日本原子力学会秋の大会予稿集(CD-ROM)  2023 

Passive safety of long-life small-medium sized transportable sodium cooled metal fuel fast reactors and challenges in its transportation

岡崎陽香, 川島正俊, 相楽洋

日本原子力学会春の年会予稿集(CD-ROM)  2023 

Development of offshore floating nuclear power (3) Vital area identification and path analysis on nuclear security

Daisuke Hara, Hiroshi Sagara

AESJ 2023 Fall Mtg  2023.9 

Spent Fuel Management Strategy of Prismatic Block Type HTGR by Its Direct Reuse

Chong Hong Fatt, Hiroshi Sagara

AESJ 2023 Fall Mtg  2023.9 

Development of a passive safety shutdown device to prevent core damage accidents in fast reactors (11) Overview of project progress

Koji Morita, Wei Liu, Tatsumi Arima, Yuji Arita, Isamu Sato, Haruaki Matsuura, Yoshihiro Sekio, Hiroshi Sagara, Masatoshi Kawashima

AESJ 2023 Fall Mtg  2023.9 

Study on Advanced Nuclear Energy System Based on the Environmental Impact of Radioactive Waste Disposal (11) Development of an Assessment Program of the MA Material Balance for Various Nuclear Fuel Cycle Options

HAN Chi Young, 相楽洋, 朝野英一

日本原子力学会春の年会予稿集(CD-ROM)  2023 

Feasibility on offshore floating nuclear power plant in terms of 3S characteristics (1) The behavior of hyper-velocity jet in the water generated by shaped charge

原大輔, 相楽洋

日本原子力学会春の年会予稿集(CD-ROM)  2023 

Development of a passive safety shutdown device to prevent core damage accidents in fast reactors (14) Evaluations on non-proliferation features of the passive shutdown devices

相楽洋, 川島正俊, 守田幸路, 有馬立身, LIU Wei, 有田裕二, 佐藤勇, 松浦治明, 関尾佳弘

日本原子力学会秋の大会予稿集(CD-ROM)  2023 

Small and medium modular light water reactor with inherent nuclear safety and non-proliferation features-Evaluation of Nuclear Security-

三星夏海, 相楽洋

日本原子力学会春の年会予稿集(CD-ROM)  2023 

Study on Advanced Nuclear Energy System Based on the Environmental Impact of Radioactive Waste Disposal (5) Integrated Environmental Load Assessment for Diversifying Nuclear Fuel Cycle Conditions

Hidekazu ASANO, Tomofumi SAKURAGI, Ryo HAMADA, Chi Young HAN, Masahiko NAKASE, Tatsuro MATSUMURA, Go CHIBA, Hiroshi SAGARA, Kenji TAKESHITA

The AESJ 2022 Annual Meeting  2022.3 

Study on Advanced Nuclear Energy System Based on the Environmental Impact of Radioactive Waste Disposal (7) Development of an Assessment Program of the Environmental Load of Radioactive Wastes for NFCSS

Chi Young HAN, Hiroshi SAGARA, Hidekazu ASANO

The AESJ 2022 Annual Meeting  2022.3 

The advanced Nuclear 3S Education and Training(ANSET) Program of Tokyo Tech International conference

Hiroshi Sagara

Education as a Key to Addressing the Gender Equality Gap in Global Nuclear Security  2022.3 

Development of a passive safety shutdown device to prevent core damage accidents in fast reactors (7) Overview of overall project progress through FY2021

守田幸路, LIU Wei, 有馬立身, 有田裕二, 佐藤勇, 松浦治明, 関尾佳弘, 相楽洋, 川島正俊

日本原子力学会秋の大会予稿集(CD-ROM)  2022 

Development Of Proliferation Resistance Evaluation Methodology And Its Applicability For The Offshore Floating Nuclear Power Plant

Daisuke Hara, Hiroshi Sagara

AESJ Spring Meeting 2022  2022.3 

Development of a passive safety shutdown device to prevent core damage accidents in fast reactors (10) Selection of the device assembly design effective in the reactivity control by its material relocation

相楽洋, 守田幸路, 川島正俊, 有馬立身, LIU Wei, 有田裕二, 佐藤勇

日本原子力学会秋の大会予稿集(CD-ROM)  2022 

Neutronics and Non-proliferation features of Accelerator-Driven System using TRU fuel with separation resistance of an actinide element.

山口紗希, 大泉昭人, 相楽洋

日本原子力学会春の年会予稿集(CD-ROM)  2022 

Nuclear nonproliferation and security research and education at Tokyo Tech International conference

Hiroshi SAGARA

the international forum on peaceful use of nuclear energy, nuclear non-proliferation and nuclear security, “Nuclear Non-proliferation and nuclear security in the post COVID-19 era  2021.12 

“Nuclear Forensics Signatures of Spent Nuclear Fuel-Signatures for discriminating reactor and fuel types-

Yuichi KAGAYAMA, Hiroshi SAGARA, Chi Young HAN, Yoshiki KIMURA

The AESJ 2021 Fall Meeting  2021.9 

Study on Advanced Nuclear Energy System Based on the Environmental Impact of Radioactive Waste Disposal (1) Environmental Load and Nuclear Fuel Cycle Conditions in Waste Disposal

Hidekazu ASANO, Tomofumi SAKURAGI, Ryo HAMADA, Chi Young HAN, Masahiko NAKASE, Tatsuro MATSUMURA, Go CHIBA, Hiroshi SAGARA, Kenji TAKESHITA

The AESJ 2021 Annual Meeting  2021.3 

Study on Advanced Nuclear Energy System Based on the Environmental Impact of Radioactive Waste Disposal (3) Applicability of NFCSS to Material Balance Evaluation of Nuclear Fuel Cycle

Chi Young HAN, Hiroshi SAGARA, Hidekazu ASANO

The AESJ 2021 Annual Meeting  2021.3 

Development of a portable active neutron device using water Cherenkov detector

田辺鴻典, 田辺鴻典, 米田政夫, 藤暢輔, 相楽洋

アイソトープ・放射線研究発表会(Web)  2021 

Nuclear non-proliferation features of ThF₄-UF₄ equilibrium fuel cycle with molten salt fast reactors

青柳涼, 相楽洋, CHIRAYATH Sunil S.

日本原子力学会春の年会予稿集(CD-ROM)  2021 

Applicability of DDSI assay technique for Pu-240 effective mass quantification in Pu wastes including light-element impurities

中岫翔, 相楽洋, HAN Chi Young, 長谷竹晃, 長谷竹晃

日本原子力学会春の年会予稿集(CD-ROM)  2021 

Nuclear Forensics Signatures of Spent Nuclear Fuel-Signatures for discriminating reactor and fuel types-

加賀山雄一, 相楽洋, HAN Chi Young, 木村祥紀

日本原子力学会秋の大会予稿集(CD-ROM)  2021 

Applicability of Passive Neutron Emission Tomography to spent nuclear fuel assemblies (2) The effect of Water Rod on the tomography

土屋克嘉, 相楽洋, HAN Chi Young

日本原子力学会秋の大会予稿集(CD-ROM)  2021 

Development of a passive safety shutdown device to prevent core damage accidents in fast reactors (6) Specification of the device assembly design effective in the reactivity control by its material relocation

Hiroshi SAGARA, Koji Morita, Masatoshi Kawashima, Tatemi Arima, Wei Liu, Yuji Arita, isamu sato

AESJ Fall Meeting 2021  2021.9 

Development of a passive safety shutdown device to prevent core damage accidents in fast reactors (3) Overview of overall project progress through FY2020

Koji Morita, Wei Liu, Ttemi Arima, Yuji Arita, isamu sato, Haruaki Matsuura, Yoshihiro Sekio, Hiroshi SAGARA, Masatoshi Kawashima

AESJ Fall Meeting 2021  2021.9 

Applicability of Passive Neutron Emission Tomography to spent nuclear fuel assemblies

Takaya Tokuda, Shigeki Shiba, Hiroshi Sagara

AESJ 2020 Fall Meeting  2020.9 

Feasibility study on innovative small and medium modular reactor with inherent nuclear safety and non-proliferation features (2) The effects of Uranium silicide fuel

Natsumi Mitsuboshi, Hiroshi Sagara

AESJ 2020 Fall Meeting  2020.9 

Development of a passive reactor shutdown device to prevent core damage accidents in fast reactors (2) Fundamental evaluation of core features and the device response

Hiroshi Sagara, Koji Morita, Masatoshi Kawashima, Wei Liu, Yuji Arita, isamu sato

AESJ 2020 Fall Meeting  2020.9 

Development of a passive safety shutdown device to prevent core damage accidents in fast reactors (1) Project overview

Koji Morita, Wei Liu, Tatsumi Arima, Yuji Arita, Koharu Kawase, Isamu Sato, Haruaki Matsuura, Yoshihiro Sekio, Hiroshi SAGARA, Masatoshi Kawashima

AESJ 2020 Fall Meeting  2020.9 

Feasibility Study on Small and Medium Pwr by Utilizing Uranium Silicide Fuel in the Aspects of Fundamental Neutronics, Inherent Safety, and Non-Proliferation Features International conference

Natsumi Mitsuboshi, Hiroshi Sagara

ICONE28-POWER2020  2020.8 

Feasibility study on innovative small and medium modular reactor with inherent nuclear safety and non-proliferation features (1) Uranium silicide fuel with MA and/or RepU

Natsumi Mitsuboshi, Hiroshi Sagara

AESJ 2020 Fall Meeting  2020.3 

Feasibility study on light water reactor using U-Pu silicide fuel with inherent safety and nonproliferation features

Hiroshi SAGARA

AESJ 2020 Annual Meeting  2020.3 

Institutional and Technical Measures for Rational Nuclear Safeguards for Next Generation Nuclear Fuel Cycle - Case study on New Partnership Approach implemented by IAEA and Euratom -

Koji Tsutsui, Hiroshi Sagara

AESJ 2020 Annual Meeting  2020.3 

Development of Image Reconstruction Technology using Passive Gamma Emission Tomography (2) Image Reconstruction of Gamma-ray Sources in Mock-up Fuel Assembly by Bayesian Iterative Approximation using Expectation Image and Image Recognition of Fuel Rods Using CNN

柴茂樹, 相楽洋

日本原子力学会秋の大会予稿集(CD-ROM)  2020 

Application of Photofission Reaction to Identify Highly Enriched Uranium by Utilizing Bremsstrahlung Spectrum Photon

Chin Kim Wei, Hiroshi SAGARA, Chi Young HAN, Rei KIMURA

The AESJ 2019 Fall Meeting  2019.9 

Applicability Study of Photofission Rate of Reaction Ratio Method to Identify High Enriched Uranium by Utilizing the Bremsstrahlung Spectrum Photon

Chin Kim Wei, Hiroshi SAGARA, Chi Young HAN, Rei KIMURA

The AESJ 2019 Annual Meeting  2019.3 

Construction of Fundamental Nuclear Characteristics Databases of All Fissionable Actinide Nuclides

Soojun BARNG, Hiroshi SAGARA, Chi Young HAN

The AESJ 2019 Annual Meeting  2019.3 

次世代炉,次世代燃料サイクルに関する保障措置・計量管理技術開発

相楽洋, CHIRAYATH Sunil, CHIRAYATH Sunil

日本原子力学会秋の大会予稿集(CD-ROM)  2019 

パッシブγ線断層撮影法を用いた画像再構成技術の開発(1)ベイズ型逐次近似法によるモックアップ燃料集合体中γ線源分布の画像再構成

柴茂樹, 相楽洋

日本原子力学会秋の大会予稿集(CD-ROM)  2019 

Nuclear Regulation Human Resources Development Program in Tokyo Tech “The Advanced Nuclear 3S Education and Training (ANSET)" (2) Implementation Status 2018

Shuichiro EBATA, Chi Young HAN, Hiroshi SAGARA, Yoshihisa MATSUMOTO, Satoshi CHIBA, Noriyosu HAYASHIZAKI, Masako IKEGAMI, Akira OMOTO, Kenji TAKESHITA, Tatsuya KATABUCHI, Hiroshige KIKURA, Koichiro TAKAO

The 39th Annual Meeting of INMM Japan Chapter  2018.11 

User Interface Development of Atmospheric Dispersion Simulations for Nuclear Emergency Countermeasures

Hamza EL-ASAAD, Hiroshi SAGARA, Chi Young HAN, Haruyasu Nagai

The 39th Annual Meeting of INMM Japan Chapter  2018.11 

Nuclear Regulation Human Resources Development Program in Tokyo Tech “The Advanced Nuclear 3S Education and Training (ANSET)" (3) Exercise on Environmental Dynamics of Radioactive Material

Chi Young HAN, Shuichiro EBATA, Hiroshi SAGARA, Kenji TAKESHITA, Yoshihisa MATSUMOTO, Satoshi CHIBA, Akiko FURUNO, Haruyasu Nagai

The 39th Annual Meeting of INMM Japan Chapter  2018.11 

Applicability of LaBr3 (Ce) Detector for 154Eu Quantification in Molten Fuel Material and Waste Categorization by Using Passive Gamma

Md Hanipah Nur Husna, Hiroshi SAGARA, Yoga Peryoga, Chi Young HAN

The 39th Annual Meeting of INMM Japan Chapter  2018.11 

Effect of Fast Reactor Fuel Cycle Strategies on TRU Material Balance and Non-proliferation Features (4) Evaluation of Mass Balance and Non-proliferation Features

Rie FUJIOKA, Hiroshi SAGARA, Chi Young HAN

The 39th Annual Meeting of INMM Japan Chapter  2018.11 

Optimization of PWR Core Design for Multipurpose Plutonium Utilization Strategies

Rie FUJIOKA, Karim AMMAR, Frederic DAMIAN, Anthime FARDA, Hiroshi SAGARA, Chi Young HAN

The AESJ 2018 Fall Meeting  2018.9 

Sensitivity Analysis of Burnup Performance and Pu Mass Balance by Changing Core and Blanket Fuel Design of SFR for Flexible Pu Management Options International conference

Rie FUJIOKA, Hiroshi SAGARA, Chi Young HAN

The 26th International Conference on Nuclear Engineering (ICONE26)  2018.7 

Performance Evaluation of Light Water Reactor Fuel in Inherent Safety and Non-proliferation Features - U3Si2 Fuel -

Chikara FUJINAWA, Hiroshi SAGARA, Chi Young HAN

The AESJ 2018 Annual Meeting  2018.3 

多目的のプルトニウム利用戦略に合わせたPWR炉心設計の最適化

藤岡里英, AMMAR Karim, DAMIAN Frederic, FARDA Anthime, 相楽洋, HAN Chi Young

日本原子力学会秋の大会予稿集(CD-ROM)  2018 

高い固有安全性・核不拡散性を有する軽水炉用燃料の研究-U₃Si₂燃料-

藤縄主税, 相楽洋, HAN Chi Young

日本原子力学会春の年会予稿集(CD-ROM)  2018 

Nuclear data and its preparedness for developing non-destructive assay technique for non-proliferation and nuclear security - overview -

Hiroshi SAGARA, Tatsuya Katabuchi

2018.3 

再処理プロセスでのMA-Pu共存による臨界安全性、放射線安全性及び核不拡散性への包括的影響評価,

渡辺 将矢, 相樂 洋

原子力学会2017年春の年会  2017.3 

高安全性・高核拡散抵抗性を有する軽水炉用FCM燃料の研究,

和田 将樹, Sagara Hiroshi, HANCHI YOUNG

原子力学会2017年春の年会  2017.3 

Requirements for the accuracy of plutonium verification techniques in the TRU fuel cycle employing high,

Takeshi Aoki, Hiroshi SAGARA, Chirayath S. Sunil

2017.3 

パッシブγ線測定を用いたMOX軽水炉使用済燃料の簡便な燃焼度推定手法に関する研究

鍋田 陽之輔, 相樂 洋

原子力学会2017年春の年会  2017.3 

Characterization Study of Candidate Technologies for Nuclear Material Quantification in Fuel Debris at Fukushima Daiichi Nuclear Powe r Station (1) -General Outline-

長谷 竹晃, 米田 政夫, 芝 知宙, 名内 泰志, 相樂 洋, 小菅 義広, 奥村 啓介, 前田 亮, 藤 暢輔, 堀 啓一郎

2017.3 

Estimation Technique of Cs Retention Fraction in Fuel Debris

Hiroshi SAGARA, Kazuki NAKAHARA, Chi Young HAN

The AESJ 2017 Annual Meeting  2017.3 

Characterization Study of Candidate Technologies for Nuclear Material Quantification in Fuel Debris at Fukushima Daiichi Nuclear Power Station (4) Passive γ Method

芝 知宙, Hiroshi SAGARA, 富川 裕文

2017.3 

福島第一原子力発電所における燃料デブリ中の核燃料物質定量に関する候補技術の特性研究 II-(3)パッシブガンマ法-

芝知宙, 相楽洋, 富川裕文

日本原子力学会秋の大会予稿集(CD-ROM)  2017 

核セキュリティの立場からのデータニーズ

相樂 洋

日本原子力学会2017年秋の大会「シグマ」特別専門委員会 特別講演  2017.9 

再処理プロセスでのMA-Pu共存による臨界安全性,放射線安全性及び核不拡散性への包括的影響評価

渡辺将矢, 相楽洋

日本原子力学会春の年会予稿集(CD-ROM)  2017 

高安全性・高核拡散抵抗性を有する軽水炉用FCM燃料の研究

和田将樹, 相楽洋, HAN Chi Young

日本原子力学会春の年会予稿集(CD-ROM)  2017 

パッシブγ線測定を用いた燃料デブリ中Csの簡便な残存率推定手法

相楽洋, 中原和基, 中原和基, HAN Chi Young

日本原子力学会春の年会予稿集(CD-ROM)  2017 

事故耐性燃料を用いた高安全性・高核拡散抵抗性を有する軽水炉の研究（１）FCM 燃料の基本核特性,

和田, 相樂, Chi Young Han

第37回核物質管理学会日本支部年次大会  2016.11 

高速炉サイクルシナリオによるTRU 物質収支と核不拡散性への影響に関する研究（３）分離Pu の照射Pu への迅速な転換のための高速炉炉心設計,”

藤岡 里英, 相樂 洋, Chi Young Han

第37回核物質管理学会日本支部年次大会  2016.11 

Academy for Global Nuclear Safety and Security Agent (2) Nuclear Safety and Security Courses, I Measurement of Environmental Radiation”

Yoshihisa Matsumoto, Masayuki Igashira, Yoshiyuki Oguri, Satoshi Chiba, Chi Young Han, Hiroshi Sagara

2016.11 

Characterization Study of Nuclear Material Quantification Technologies for Fuel Debris at Fukushima Daiichi Nuclear Power Station (4) –Passive Gamma Technique- (interim report)

Tomooki SHIBA, Hiroshi SAGARA, Hirofumi TOMIKAWA

2016.11 

Benchmark Calculations for Evaluation of Gamma Spectrometer Efficiency Using PHITS Code

Nur Husan MD Hanipah, Yoga Peryoga, Hiroshi Sagara, Chi Young Han, Tomooki Shiba, “

第37回核物質管理学会日本支部年次大会  2016.11 

パッシブγ線測定を用いたMOX 軽水炉使用済燃料の簡便な燃焼度推定手法に関する研究,

鍋田, 相樂

第37回核物質管理学会日本支部年次大会  2016.11 

再処理プロセスでのMA-Pu 共存による臨界安全性、放射線安全性及び核不拡散性への包括的影響評価

渡辺将矢, 相樂洋

第37回核物質管理学会日本支部年次大会  2016.11 

光核分裂反応に基づく核燃料物質同位体組成測定手法の計数比補正手法

木村礼, 相樂洋, 千葉敏

第37回核物質管理学会日本支部年次大会  2016.11 

Utilization of Atmospheric Dispersion Simulations for Nuclear Emergency Countermeasures

H. ElAsaad, Nagai, 相樂 洋

第37回核物質管理学会日本支部年次大会  2016.11 

Limit of detection of a bare nuclear material debris lump

Yoga Peryoga, Hiroshi Sagara, Tomooki Shiba

第37回核物質管理学会日本支部年次大会  2016.11 

Academy for Global Nuclear Safety and Security Agent (3) Nuclear Safety and Security Courses, II Nuclear Security Training”

Hiroshi Sagara1, Koichiro Takao1, Masahide Katayama2, Yosuke Naoi3, Hironobu Nakamura3, Chi Young Han1

2016.11 

超高速衝突に対する堅牢生向上のための構造物の損傷機構の研究‐超高速衝突問題の数値解析手法の信頼性向上に関する検討‐

菊原, 東出, 片山, 柳沢, 相樂洋

第37回核物質管理学会日本支部年次大会  2016.11 

Characterization Study of Candidate Technologies for Nuclear Material Quantification in Fuel Debris at Fukushima Daiichi Nuclear Power Station (1) –General Outline-

長谷 竹晃, 米田 政夫, 芝 知宙, 前田 亮, 名内 泰志, 呉田 昌俊, 富川 裕文, 奥村 啓介, Hiroshi SAGARA, 小菅 義広, Cynthia HEINBERG, 堀 啓一郎

2016.11 

事故耐性燃料を用いた高安全性・高核拡散抵抗性を有する軽水炉の研究（２）U3Si2 燃料の基本核特性

藤縄, 相樂

第37回核物質管理学会日本支部年次大会  2016.11 

User Interface of Atmospheric Dispersion Simulation for Nuclear Emergency Countermeasures

H. El-Asaad, H. Sagara, H. Nagai

The 5th International Symposium on Innovative Nuclear Energy Systems  2016.10 

Consideration of Enhanced Safety Based on CMR-concept for Large Fast Reactor” International conference

Masatoshi Kawashima, Hiroshi Sagara

The 5th International Symposium on Innovative Nuclear Energy Systems  2016.10 

PHITS Benchmarking for HPGe Detector Efficiency International conference

Peryoga Yoga, Hiroshi Sagara, Tomooki Shiba

The 5th International Symposium on Innovative Nuclear Energy Systems  2016.10 

Applicability Study of the Photofission Based Nuclear Material Isotopic Composition Measurement Method on the Thorium Uranium System International conference

Rei Kimura, Hiroshi Sagara, Satoshi Chiba

The 5th International Symposium on Innovative Nuclear Energy Systems  2016.10 

Simple Method to Create Gamma Ray Source Spectrum for Passive Gamma Technique International conference

T. Shiba, H. Tomikawa, H. Sagara, A. Ishimi

The 5th International Symposium on Innovative Nuclear Energy Systems  2016.10 

Characterization Study of Four Candidate Technologies for Nuclear Material Quantification in Fuel Debris at Fukushima Daiichi Nuclear Power Station International conference

T. Nagatani, M. Komeda, T. Shiba, M. Maeda, Y. Nauchi, M. Kureta, H. Tomikawa, K. Okumura, H. Sagara, C. Heinberg, K. Hori

The 5th International Symposium on Innovative Nuclear Energy Systems  2016.10 

Nuclear Non-proliferation Safeguards International conference

Hiroshi SAGARA

Nuclear Engineering Intensive Course in cooperation with Kaunas University of Technology 6th Term  2016.3 

Nuclear Non-proliferation Nuclear Security International conference

Hiroshi SAGARA

Nuclear Engineering Intensive Course in cooperation with Kaunas University of Technology 6th Term  2016.3 

高速炉サイクルシナリオによるTRU物質収支と核不拡散性への影響に関する研究(1)分離Puの照射Puへの迅速な転換シナリオ

藤岡里英, 相楽洋, HAN Chi Young

日本原子力学会春の年会予稿集(CD-ROM)  2016 

大型高速炉におけるCMR概念の適用による安全強化方策の考察-液体金属燃料デバイス概念による炉心反応度評価事例-

川島正俊, 原昭浩, 坪井靖, 守田幸路, 遠藤寛, 相楽洋

日本原子力学会春の年会予稿集(CD-ROM)  2016 

多重被覆粒子燃料における効率的なPu燃焼方法と3S特性の評価

青木健, 相楽洋, HAN Chi-Young

日本原子力学会春の年会予稿集(CD-ROM)  2015 

BWR使用済燃料放射線のパッシブ測定を用いた簡便な燃焼度及び核物質量推定手法に関する研究

中原和基, 相楽洋, HAN Chi Young

日本原子力学会春の年会予稿集(CD-ROM)  2015 

随伴FPパッシブガンマ測定による燃料デブリ内核物質量推定可能性の検討

相楽洋, 芝知宙, 中原和基, 富川裕文

日本原子力学会春の年会予稿集(CD-ROM)  2015 

東京工業大学における核不拡散・核セキュリティ研究及び教育

相楽洋, 韓治暎

日本原子力学会秋の大会予稿集(CD-ROM)  2015 

「グローバル原子力安全・セキュリティ・エージェント養成」(3)原子力安全・セキュリティ実習科目群

木倉宏成, 相楽洋, 韓治暎, 井頭政之, 齊藤正樹

日本原子力学会秋の大会予稿集(CD-ROM)  2015 

高い核拡散抵抗性を有するPuを生成する高速炉ブランケット燃料の基礎研究

齊藤正樹, 小澤正基, 韓治暎, 相楽洋, 芝知宙, 中尾健志, 小山真一, 大林弘, 田中康介, 大西貴士

日本原子力研究開発機構JAEA-Review(Web)  2014 

高速増殖炉の多重サイクルにおける物質収支と核拡散抵抗性に関する研究

中尾健志, 相楽洋, 齊藤正樹

日本原子力学会春の年会予稿集(CD-ROM)  2014 

放射性ランタノイドの添加による核拡散抵抗性の高い革新的な核燃料に関する研究

谷宜憲, HAN Chi Young, 相楽洋, 齊藤正樹

日本原子力学会春の年会予稿集(CD-ROM)  2013 

高い核拡散抵抗性を有するPu生成のための高速炉ブランケット燃料への減速材装荷方法と効果

山内一平, 相楽洋, 齊藤正樹, 大西貴士

日本原子力学会春の年会予稿集(CD-ROM)  2013 

高い核拡散抵抗性を有するPuを生成する高速炉ブランケット燃料の研究(XV)劣化ウラン-アメリシウムペレットの照射挙動予測

芝知宙, 相楽洋, HAN Chi Young, 齊藤正樹, 大西貴士, 小山真一, 前田茂貴

日本原子力学会秋の大会予稿集(CD-ROM)  2013 

Cm-244の中性子共鳴捕獲反応を利用した黒鉛減速ガス冷却炉の高燃焼度化

遠山勇樹, 齊藤正樹, HAN Chi Young, 相楽洋

日本原子力学会春の年会予稿集(CD-ROM)  2012 

高速増殖炉ブランケットにおける高い核拡散抵抗性を有するPuの生成に及ぼす減速材装荷手法の影響

松本航治, 相楽洋, HAN Chi Young, 齊藤正樹, 大西貴士

日本原子力学会春の年会予稿集(CD-ROM)  2012 

核反応による希土類の創生とリサイクルに関する予備的検討

小澤正基, 吉岡斗志雄, 小山真一, 相楽洋, 齊藤正樹

希土類  2011 

重水炉を用いた使用済燃料の再利用性と核拡散抵抗性の評価

大西絢也, 相楽洋, 齊藤正樹

日本原子力学会春の年会予稿集(CD-ROM)  2011 

軽水炉級Am及びCmを装荷した超長寿命宇宙用原子炉概念の検討(2)-鉛ビスマス反射体の燃焼特性への影響-

中村正則, 齊藤正樹, 相楽洋

日本原子力学会秋の大会予稿集(CD-ROM)  2011 

高い核拡散抵抗性を有するPuを生成する高速炉ブランケット燃料の研究(XII)-「常陽」照射Uサンプルの分析(4)-

大西貴士, 小山真一, 前田茂貴, 相楽洋, 齊藤正樹

日本原子力学会秋の大会予稿集(CD-ROM)  2010 

核拡散抵抗性-核分裂性物質の魅力度(1)-

齊藤正樹, 木村祥紀, 浜瀬枝里菜, 相楽洋

日本原子力学会秋の大会予稿集(CD-ROM)  2010 

軽水炉級Am及びCmを装荷した超長寿命宇宙用原子炉概念の検討

中村正則, 齊藤正樹, 相楽洋

日本原子力学会秋の大会予稿集(CD-ROM)  2010 

MA添加による内部ブランケットを有する高速増殖炉の長寿命化の研究

浜瀬枝里菜, 齊藤正樹, 相楽洋

日本原子力学会秋の大会予稿集(CD-ROM)  2010 

高い核拡散抵抗性を有するPuを生成する高速炉ブランケット燃料の研究-(XI)U-Amペレット照射予測解析-

相楽洋, 芝知宙, 齊藤正樹, 前田茂貴, 小山真一

日本原子力学会春の年会予稿集(CD-ROM)  2010 

高い核拡散抵抗性を有するPuを生成する高速炉ブランケット燃料の研究(IX)-「常陽」照射Uサンプルの分析(3)-

大西貴士, 須藤光雄, 小山真一, 関岡健, 芝知宙, 相楽洋, 齊藤正樹

日本原子力学会春の年会予稿集(CD-ROM)  2010 

高い核拡散抵抗性を有するPuを生成する高速炉ブランケット燃料の研究

相楽洋, 齊藤正樹, 芝知宙, 田中健哉, 小山真一, 大林弘, 須藤光雄, 大川内靖

日本原子力研究開発機構JAEA-Review(Web)  2010 

強い核拡散抵抗性を有するPu生成の実証試験とMA核データの確認

相楽洋, 齊藤正樹

日本原子力学会秋の大会予稿集(CD-ROM)  2010 

Numerical Analysis of Irradiated Am Samples in Experimental Fast Reactor Joyo

Hiroshi Sagara, Tetsuro Yamamoto, Shin-ichi Koyama, Shigetaka Maeda, Tomo-oki Shiba, Masaki Saito

ACTINIDES 2009  2010 

中性子共鳴捕獲反応を利用したTRU燃料の燃焼反応度の低減化

酒井健, 相楽洋, 齊藤正樹

日本原子力学会秋の大会予稿集(CD-ROM)  2010 

ATR 2A/2B As-Run Neutronics Uncertainty Analysis

Hiroshi SAGARA, Gray Chang

INL/EXT-09-17197  2009.10  INL/EXT-09-17197

Transmutation of Sn-126 in Spallation Targets of Accelerator-Driven Systems

Chi Young Han, Masaki Saito, Hiroshi Sagara

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY  2009.1 

Transmutation of Sn-126 in Spallation Targets of Accelerator-Driven Systems

Chi Young Han, Masaki Saito, Hiroshi Sagara

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY  2009.1 

ATR 2A/2B As-Run Neutronics Uncertainty Analysis

Hiroshi Sagara, Gray S. Chang

INL/EXT-09-17197  2009 

高い核拡散抵抗性を有するPuを生成する高速炉ブランケット燃料の研究(VI)「常陽」照射Uサンプルの分析(2)

大西貴士, 須藤光雄, 大林弘, 小山真一, 田中健哉, MEILIZA Yoshitalia, 山本哲郎, 相楽洋, 齊藤正樹

日本原子力学会春の年会予稿集(CD-ROM)  2009 

高い核拡散抵抗性を有するPuを生成する高速炉ブランケット燃料の研究(VII)-サンプルの核変換特性解析(3)-

山本哲郎, 相楽洋, 齊藤正樹, 小山真一, 大西貴士, 大川内靖

日本原子力学会春の年会予稿集(CD-ROM)  2009 

核拡散抵抗性を有するPuを生成する燃料概念の構築 高い核拡散抵抗性を有するPuを生成する高速炉ブランケット燃料の研究

田中健哉, 小山真一, 大林弘, 須藤光雄, 大川内靖, 相楽洋, 齊藤正樹, YOSHITALIA Meiliza, 山本哲郎, 佐合優一

日本原子力研究開発機構JAEA-Review  2009 

高速増殖炉におけるPuの改質に関する研究

浜瀬枝里菜, 齊藤正樹, 相楽洋

日本原子力学会春の年会予稿集(CD-ROM)  2009 

高い核拡散抵抗性を有するPuを生成する高速炉ブランケット燃料の研究(VIII)-「常陽」照射Amサンプルの分析(1)-

大西貴士, 須藤光雄, 小山真一, 田中健哉, 関岡健, 芝知宙, 相楽洋, 齊藤正樹

日本原子力学会秋の大会予稿集(CD-ROM)  2009 

高い核拡散抵抗性を有するPuを生成する高速増殖炉の研究-Am及びCmの効果-

佐合優一, 齊藤正樹, 相楽洋, MEILIZA Yoshitalia

日本原子力学会春の年会予稿集(CD-ROM)  2009 

Enhancement of Plutonium Proliferation Resistance by Transmutation of Minor Actinide- Plutonium Denaturing by Decay Heat-

Y. Kimura, H. Sagara

Trans Ame Nucl Society Winter Mtg 2008  2008.11 

Feasibility of Reprocessed Uranium in LWR Fuel Cycle for Protected Plutonium Production

Kosaku Fukuda, Hiroshi Sagara, Masaki Saito, Tsunetomo Mitsuhashf

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY  2008.10 

Radiation Dose as a Barrier against Proliferation for Advanced Fuel Compositions

Vladimir Artisyuk, Masaki Saito, Alan Takibayev, Fliroshi Sagara

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY  2008.10 

Feasibility of Reprocessed Uranium in LWR Fuel Cycle for Protected Plutonium Production

Kosaku Fukuda, Hiroshi Sagara, Masaki Saito, Tsunetomo Mitsuhashf

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY  2008.10 

Radiation Dose as a Barrier against Proliferation for Advanced Fuel Compositions

Vladimir Artisyuk, Masaki Saito, Alan Takibayev, Fliroshi Sagara

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY  2008.10 

Abstract of 2nd Int Sci Technol Forum on Protected Plutonium Utilization Peace and Sustainable Prosperity

H. Sagara

Abstract of 2nd Int Sci Technol Forum on Protected Plutonium Utilization Peace and Sustainable Prosperity  2008.9 

Protected plutonium breeding by transmutation of minor actinides in fast breeder reactor

Yoshitalia Meiliza, Masaki Saito, Hiroshi Sagara

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY  2008.3 

Protected plutonium breeding by transmutation of minor actinides in fast breeder reactor

Yoshitalia Meiliza, Masaki Saito, Hiroshi Sagara

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY  2008.3 

高い核拡散抵抗性を有するPuを生成する高速炉ブランケット燃料の研究(III)-サンプルの核変換特性解析(1)-

相楽洋, 山本哲郎, 齊藤正樹, 小山真一

日本原子力学会春の年会予稿集(CD-ROM)  2008 

高い核拡散抵抗性を有するPuを生成する高速炉ブランケット燃料の研究

相楽洋, 齊藤正樹, YOSHITALIA Meiliza, 山本哲郎, 佐合優一, 田中健哉, 小山真一, 大林弘, 須藤光雄, 関根隆

日本原子力研究開発機構JAEA-Review  2008 

高い核拡散抵抗性を有するPuを生成する高速炉ブランケット燃料の研究(II)「常陽」照射Uサンプルの分析(1)

小山真一, 須藤光雄, 大林弘, MEILIZA Yoshitalia, 相楽洋, 齊藤正樹

日本原子力学会春の年会予稿集(CD-ROM)  2008 

強い核拡散抵抗性を有するPuを生成する革新的原子炉技術開発(P³計画)-(XIV)核拡散抵抗性評価手法の開発-

齊藤正樹, ARTISYUK V., TAKIBAYEV A., 相楽洋, PERMANA S., MEILIZA Y., ISMAILOV K.

日本原子力学会秋の大会予稿集(CD-ROM)  2008 

強い核拡散抵抗性を有するPuを生成する革新的原子炉技術開発(P³計画)-(XII)ATR照射解析-

相楽洋, 齊藤正樹, 小山真一, 伊藤正彦, 北村了一

日本原子力学会秋の大会予稿集(CD-ROM)  2008 

高い核拡散抵抗性を有するPuを生成する高速炉ブランケット燃料の研究(I)全体計画

相楽洋, 小山真一

日本原子力学会春の年会予稿集(CD-ROM)  2008 

Perspectives of inventories of secondary nuclear materials generated in the nuclear energy production and mass balance in PPP cycle

K. Fukuda, Y. Peryoga, H. Sagara, M. Saito, M. Ceyhan

PROGRESS IN NUCLEAR ENERGY  2008 

高い核拡散抵抗性を有するPuを生成する高速炉ブランケット燃料の研究(V)-サンプルの核変換特性解析(2)-

山本哲郎, 相楽洋, 齊藤正樹, 小山真一

日本原子力学会秋の大会予稿集(CD-ROM)  2008 

Abstract of 2nd Int Sci Technol Forum on Protected Plutonium Utilization Peace and Sustainable Prosperity

M. Saito, H. Sagara

Abstract of 2nd Int Sci Technol Forum on Protected Plutonium Utilization Peace and Sustainable Prosperity  2008 

Perspectives of inventories of secondary nuclear materials generated in the nuclear energy production and mass balance in PPP cycle

K. Fukuda, Y. Peryoga, H. Sagara, M. Saito, M. Ceyhan

PROGRESS IN NUCLEAR ENERGY  2008 

Enhancement of Plutonium Proliferation Resistance by Transmutation of Minor Actinide- Plutonium Denaturing by Decay Heat-

Y. Kimura, M. Saito, H. Sagara

2008