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| About This Publication and the JAEA Organizational Outline | ||
| 1 | HTGR Hydrogen and Heat Application Research | |
| Research and Development on HTGR, Hydrogen Production, and Heat Application Technologies | ||
| 1-1 | Development of a Neutron Detector with Improved Heat Resistance －Consideration of the Thermal Cycle Load Specific to High Temperature Gas-Cooled Reactors－ Takayuki Kozawa | |
| 1-2 | Toward the Demonstration of H2 Production Technology Using the HTGR －Development of Safety Design Philosophy for HTTR Heat Application Test Facility－ Takeshi Aoki | |
| 1-3 | Evaluation of the Fuel Integrity of High Temperature Gas-Cooled Reactor to Maximize the Performance －Improvement of the Failure Assessment Method of Tristructural Isotropic Fuel Performance for High Temperature Gas-Cooled Reactor－ Shoichiro Okita | |
| 1-4 | Feasibility Study on Reprocessing Technology of HTGR Spent Fuel －Improving the Economics of Reprocessing Based on the Existing PUREX Technology ?－ Yuji Fukaya | |
| 1-5 | Toward Stable Hydrogen Production by the IS Process －Development of a Composition Control Method to Prevent Pipe Clogging by Iodine Precipitation－ Yu Kamiji | |
| 1-6 | Energy Saving for H2 Production by the IS Process －Membrane Development for HI Concentration to Suppress Swelling by Cross-Linking－ Nobuyuki Tanaka | |
| 1-7 | Enhancement of Corrosion Resistance of the Metallic Components Used in the IS Process －Exploring a Coating Material That Can Withstand a Sulfuric Acid Boiling Environment－ Noriaki Hirota | |
| 2 | Research and Development of Fast Reactors | |
| Development of the Technology Base and R&D Infrastructure for Fast-Reactor Cycles | ||
| 2-1 | Measures Against Beyond Design-Basis Accidents to Effectively Reduce Accidents Possibly Involving Core Damage －Probabilistic Risk Assessment Results for Fast Reactor Operational Conditions－ Hiroyuki Nishino | |
| 2-2 | In-Vessel Retention of Molten Core Materials －Visualization Experiment of Molten Core Materials Penetrating into Liquid Sodium－ Kenichi Matsuba | |
| 2-3 | Prediction of Whole-Plant Thermal-Hydraulic Performance in Sodium-Cooled Fast Reactors －Coupling of One-Dimensional Plant Dynamics Analysis and Three-Dimensional Detailed Analysis Codes－ Kazuo Yoshimura | |
| 2-4 | Feasibility Study of Application of Dissimilar Welding Technology to Fast-Reactor Wrapper Tubes －Applicability to Fast-Reactor Core Revealed by Microstructural Analysis－ Takashi Tanno | |
| 2-5 | Toward an Efficient Shielding Design of Fast Reactors －Evaluation of Sodium Radioactivity in the Primary System of the Prototype Fast Reactor Monju－ Tetsuya Mouri | |
| 3 | Advanced Scientific Research | |
| Fundamental Sciences to Realize New Era of Nuclear Science and Technology | ||
| 3-1 | Establishment of a γ-Ray-Spectroscopy Technique to Study Actinide Nuclei －Advancing Research on the Nuclear Structure of Superheavy Elements－ Riccardo Orlandi | |
| 3-2 | Uncovering the Origin of Short-Range Repulsive Nuclear Force Produced by Quarks －Σ+p Scattering Experiment at J-PARC－ Takuya Nanamura | |
| 3-3 | Successful Growth of High-Quality Uranium-Based Superconducting Crystals －Contributing to the Elucidation of the Mechanism of Uranium-Based Superconductivity－ Hironori Sakai | |
| 3-4 | Toward Highly Sensitive Detection of Sound Waves －Sound Waves Drastically Alter Current−Voltage Characteristics－ Michiyasu Mori | |
| 3-5 | Why Can One Atomic Layer Graphene Separate Hydrogen and Deuterium? －Toward the Mass Production of Deuterium Based on Quantum Tunneling－ Satoshi Yasuda | |
| 3-6 | Development of a New, Multilayered Electrode for Tunnel Magnetoresistance Devices with High-Performance and Functionality －New Tunnel Magnetoresistance Devices for Advanced Industrial Applications－ Kazuya Suzuki | |
| 3-7 | Mysterious Energy Hidden in Thin Magnets －Theory of Energy Generation in Extremely Small Systems－ Kei Suzuki | |
| 4 | Nuclear Science and Engineering Research | |
| Fundamental Technologies for Nuclear Energy Innovation | ||
| 4-1 | Development of a Nondestructive Analysis System for Nuclear Material Measurement by Active Methods －World’s First System Capable of Conducting Three Nondestructive Measurements－ Harufumi Tsuchiya | |
| 4-2 | Foundational Database for Diversifying Needs －Development of the Latest Nuclear Data Library JENDL-5－ Osamu Iwamoto | |
| 4-3 | Toward High Recovery Yields of Pyrochemical Reprocessing for Minor Actinide Transmutation Nitride Fuels －Chlorination of Neptunium in Platinum Group Elements Compounds Without Using Corrosive Gases－ Hirokazu Hayashi | |
| 4-4 | Development of a New Corrosion Inhibition Method Using Chelation Technique －Crevice Corrosion Suppression by EDTA-Based Metal-Ion Introduction－ Takahito Aoyama | |
| 4-5 | Computational Design of High-Strength Alloys －Element Strategy Alloy-Design via Electronic Structure Calculations－ Tomohito Tsuru | |
| 4-6 | Mechanism of Actinide Transfer Between Water and Oil －Studies of the Molecular Structure of Solvent Extraction Interfaces Using Vibrational Sum Frequency Generation Spectroscopy－ Ryoji Kusaka | |
| 4-7 | Development of a System for Whole-Body Dose Assessment in Carbon Ion Radiotherapy －Use of Past Experience in Carbon Ion Radiotherapy to the Future of Radiotherapy－ Takuya Furuta | |
| 4-8 | Measuring Neutrons Emitted in Spallation Reactions －Toward Improving Prediction Accuracy Using Nuclear Reaction Models－ Hiroki Iwamoto | |
| 5 | Neutron and Synchrotron Radiation Research | |
| Contributions to Innovative Achievement in Science and Technology | ||
| 5-1 | Beam Loss Assessment of High-Intensity Negative Hydrogen Ion Beams －Observation of Neutral Beams Generated by Residual Gas Electron Stripping－ Jun Tamura | |
| 5-2 | Inelastic Neutron Scattering Experiments Under the Highest Pressure in the World －Observation of Hydrogen Vibrational Excitation of Metal Hydrides at 21 GPa－ Takanori Hattori | |
| 5-3 | Neutron Diffraction Experiments Under Pulsed High Magnetic Fields －Development of a High-Field Pulsed Magnet System Exceeding 30 T－ Masao Watanabe | |
| 5-4 | Neutron Scattering Measurements for Magnetic Moment in Comparison with Nuclear Spin Polarization －A New Technique Useful in Study on Magnetism and Material－ Naoto Metoki | |
| 5-5 | Visualizing Lithium-Ion Transfer in All-Solid-State Batteries －Neutron Depth Profiling for the Operand Measurement of Li Ions－ Takahito Osawa | |
| 5-6 | Demonstration of Laser-Assisted Separation of Actinides －Enhancing Selectivity in Solvent Extraction by Manipulating f Electrons with Light－ Keiichi Yokoyama | |
| 5-7 | Growth Process of Silicon Oxide Films Revealed Using High-Brightness Synchrotron Radiation －Interfacial Defects and Carrier Trapping Dominate the World of Nanodevices－ Yasutaka Tsuda | |
| 6 | Computational Science and E-Systems Research | |
| Computational Science for Nuclear Research and Development | ||
| 6-1 | Can Machine Learning Predict the Atomic Motion Inside Nuclear Fuel Materials? －Toward the Application of Machine-Learning Molecular Dynamics to Nuclear Fuel Materials－ Keita Kobayashi | |
| 6-2 | Specificity of Liquid Metal Embrittlement －Energy Criteria for Embrittlement: Atomistic Weak Interactions－ Masatake Yamaguchi | |
| 6-3 | Understanding Hydrated Radium at the Molecular Level －The Advent of Molecular-Level Research on Radium 125 Years After the Discovery of the Element－ Akiko Yamaguchi | |
| 6-4 | Exploring Large-Scale Simulations in Virtual Space －Making Interactive Remote Virtual Reality Visualization Possible－ Takuma Kawamura | |
| 6-5 | New Data Conversion Method to Accelerate Nuclear Simulation － Matrix Solvers with 16-Bit Operations Achieve Same Convergence as 64-Bit Operations － Takuya Ina | |
| 7 | Development of Science & Technology for Nuclear Nonproliferation | |
| Development of Technology and Human Capacity Building in the Fields of Nuclear Nonproliferation and Nuclear Security to Support the Peaceful Use of Nuclear Energy | ||
| 7-1 | Prevention of Acts of Nuclear/Radiation Terrorism at Large Public Events －Development of Detection Equipment to Estimate the Direction of Incoming Neutrons－ Takahashi Tohn | |
| 8 | Research and Development Related to the Accident at TEPCO’s Fukushima Daiichi NPS | |
 R&D for decommissioning the FDNPS /  R&D for environmental restoration | ||
| 8-1 | Lessons Learned from the Chornobyl Nuclear Power Plant －What is the Condition Needed to Suppress Degradation of Fuel Debris?－ Toru Kitagaki | |
| 8-2 | Radiation Emitted from Fuel Debris －Elucidation of the Characteristics of Bremsstrahlung X-Rays and Effects of the Dose Rate－ Taichi Matsumura | |
| 8-3 | Utilizing the Directivity of Cherenkov Radiation to Distinguish 90Sr/90Y and 137Cs －Simultaneous Detection of the Source Positions of 90Sr/90Y and 137Cs－ Yuta Terasaka | |
| 8-4 | Automatic Discrimination of Structure Category in the Workspace －Development of a Structure Discrimination Method by Deep Learning Based on 3D Point Cloud－ Takashi Imabuchi | |
| 8-5 | Toward Predicting Cesium Distribution in FDNPS －Improvement of the Analysis Code of Cesium Behavior in a Severe Accident－ Shuhei Miwa | |
| 8-6 | Toward Predicting the Properties of Cesium Remaining in FDNPS Reactor Buildings －Clarification of Cesium Adsorption on Nonferrous Structural Materials－ Kunihisa Nakajima | |
| 8-7 | Toward the Safe Storage and Management of Wastes Such as Fuel Debris －Research and Development on Hydrogen Leakage/Diffusion Behavior Analysis－ Atsuhiko Terada | |
| 8-8 | Numerical Analysis of Hydrogen Combustion Behavior －Effects of Temperature and Pressure on Flame Instability－ Thwe Thwe Aung | |
| 8-9 | Estimating Fuel Debris Temperature in FDNPS Unit 2 Under Air-Cooling Condition －Numerical Simulation of Fuel Debris Heat Transfer－ Susumu Yamashita | |
| 8-10 | Effects of Forests on 137Cs Behavior in River Catchment －Development of a Watershed Model Combined with 137Cs Migration in a Forest－ Kazuyuki Sakuma | |
| 8-11 | Future Behavior of Radiocesium on Land －Prediction of Radiocesium Behavior on Land for 30 Years－ Tsubasa Ikenoue | |
| 8-12 | Remobilization Mechanism of Radiocesium from Bottom Sediments in Reservoir －Vertical Distribution of 137Cs in Sediment-Pore Water－ Hironori Funaki | |
| 8-13 | Observation of Radiocesium Behavior in Estuaries －Estimating the Origin of Particles Forming Turbid Layers near the Seabed－ Toshiharu Misonou | |
| 8-14 | Lichen as a Recorder of Radiocaesium －Determining Radiocaesium Distributions in Biological Tissues by Combining Analytical Equipment－ Terumi Dohi | |
| 8-15 | Toward the Rapid Analysis of Plutonium Isotopes －Analytical Technique Without Pretreatments－ Makoto Matsueda | |
| 8-16 | Reviews on Exposure Management for Residents After the Accident in Fukushima －Toward the Lifting of Evacuation Orders for the Benefit of the Residents－ Kazuya Yoshimura | |
| 9 | Research and Development on Geological Disposal Technology | |
| R&D to Improve the Reliability of Geological Disposal Technologies in Japan | ||
| 9-1 | Direct Observation of Fractures to Estimate Future Permeability －Application of Fracture Visualization Technology by Resin Injection－ Kazuhei Aoyagi | |
| 9-2 | Deep Groundwater Physicochemical Components Affecting Actinide Migration －Addition of Trace Elements to Groundwater in Granite and Mudstone－ Kazuya Miyakawa | |
| 9-3 | Estimating the Erosion History Around the Depth of Geological Disposal －Reconstructing Thermal History by Optically Stimulated Luminescence Thermochronometry of Borehole Cores－ Manabu Ogata | |
| 9-4 | Accelerator Mass Spectrometer: The Challenge of Ultra-Downsizing －Filtering Atoms and Molecules Using Crystal Surfaces－ Satoshi Jinno | |
| 9-5 | Bentonite Swelling and Interlayer Cation Behavior －Why the Expandability of Montmorillonite is Different Between K+ and NH4+ in Bentonite?－ Ryohei Kawakita | |
| 9-6 | Evaluation of Radionuclide Migration by a Diffusion Model －Diffusion Test and Model Development for Compacted Ca-Bentonite－ Yuta Fukatsu | |
| 10 | Steadily Promote Backend Measures with the Highest Priority on Safety | |
| Decommissioning of Nuclear Facilities and Disposal of Radioactive Waste | ||
| 10-1 | Toward an Efficient Design for Disposal Facilities －Evaluation of Skyshine Dose Generated from Disposal Facilities－ Mizuki Nakamura | |
| 10-2 | Toward the Practical Application of Flame-Retardant Waste Treatment Test Equipment －Selection of Repair Materials for the Main Reactor Refractory－ Jun Kijima | |
| 10-3 | Toward Using Geopolymer for the Treatment of Radioactive Wastes －Investigation on the Possible Pathway of Zeolites Formation in the Geopolymer－ Junya Sato | |
| 10-4 | Toward the Safe and Long-Term Storage of Plutonium －Aggregation of Plutonium and Shift to PVC-Free Storage－ Shun Hirooka | |
| 11 | Research on Nuclear Safety and Emergency Preparedness | |
| Implementing Continuous Improvements in Safety and Emergency Preparedness | ||
| 11-1 | Toward Rapid Inspection for Evacuation Vehicle Contamination in a Nuclear Emergency －Examination of the Performance of the Portal Monitor to Inspect Vehicles of Evacuees－ Hirokazu Hiraoka | |
| 11-2 | Clarifying Damage Conditions of Structures Subjected to Projectile Impact －Investigation of Damage Condition of Reinforced Concrete Panels Simulating Outer Walls of a Nuclear Building－ Yukihiko Okuda | |
| 11-3 | Toward Improving the Accuracy of the Structural Integrity Assessment Method for Reactor Pressure Vessels －Effect of Stainless-Steel Overlay Cladding on Fracture Behavior of the Reactor Pressure Vessel－ Masaki Shimodaira | |
| 11-4 | Toward More Rational Light Water Reactor Fuel Design and Safety Assessment －Establishing a Model to Predict Irradiation Growth in Zirconium-Based Alloy Claddings－ Kazuo Kakiuchi | |
| 11-5 | Confinement of Radioactive Materials Within the Facility Under Fire Conditions －Evaluation of the Properties of High-Efficiency Particulate Air Filters Clogged with Soot from Burned Gloveboxes－ Shinsuke Tashiro | |
| 11-6 | Accurate Estimation of the Three-Dimensional Distribution of Groundwater Contamination －Expectation for Contribution to Understand Underground Contamination for Decommissioning－ Shizuka Takai | |
| 11-7 | Filtering Out Radioactive Materials from a Pool During Severe Accidents －Evaluation of Two-Phase Flow Behavior During Pool Scrubbing by Computational Fluid Dynamics Simulation－ Yuria Okagaki | |
| 11-8 | Validation of the Latest Nuclear Data Library －Postirradiation Experiment Analysis of Pressurized Water Reactor Fuels Using JENDL-5－ Tomoaki Watanabe |
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