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| About This Publication and the JAEA Organizational Outline | ||
| 1 | Research and Development Related to the Accident at TEPCO's Fukushima Daiichi NPS | |
| Assistance in Environmental Restoration and Decommissioning | ||
| 1-1 | Revealing the Characteristics of Fuel Debris -Formation Mechanisms of Metallic Fuel Debris Originating from Control Rods- Takehiro Sumita | |
| 1-2 | Development of Radiation Detector for Non-Destructive Assay of Nuclear Fuel Debris -γ-ray Spectrometry System Specific to High Dose-Rate Measurements Using CeBr3- Masaaki Kaburagi | |
| 1-3 | Chemical Forms of Radionuclides in Fuel Debris -Structure of Concrete Interaction Products and Distribution of Sr and Ba- Ayako Sudo | |
| 1-4 | To Establish Safer Criticality Management of Fuel Debris -Optimization of the Core Configuration of the New STACY for Debris Simulation- Satoshi Gunji | |
| 1-5 | Methodology to Remove Cs from Soil -Preparation for the Treatment of Contaminated Soil- Xiangbiao Yin, Yoshikazu Koma | |
| 1-6 | Toward Understanding Core Melting Behavior in RPVs -Evaluation of RPV Failure Mechanism- Hiroshi Madokoro | |
| 1-7 | Laser Ultrasonic Approach to Detect Corrosion of Reinforced Concrete -Toward Nondestructive Testing Technology for Decommissioning- Akinori Furusawa | |
| 1-8 | Aiming to Predict PCV Corrosion -Development of Corrosion Database under Varying Irradiation Conditions- Tomonori Sato | |
| 1-9 | Radiation Position Detection under High Dose Rate Using Optical Fibers -An Approach to Detect the Position of Radiation Focusing on the Wavelength Information of Light- Yuta Terasaka | |
| 1-10 | Impact of Large Typhoons on the Estuary Mass Flux -Observation of Radioactive Cesium in the Estuary in 2019- Toshiharu Misonou | |
| 1-11 | Visualization of Radiological Map Using Machine Learning -Analytical Method Using Big Data of Radiation Measurements in Fukushima- Miyuki Sasaki | |
| 1-12 | Improving the Accuracy in Estimation of Air Dose Rate Decrease -A New Model for Simulation of Temporal Changes Due to an Environmental Effect- Masaki Andoh | |
| 1-13 | Sediment Characteristics Determine the Behavior of Cesium in Rivers -Adsorption/Desorption Mechanism of Radioactive Cesium onto River Sediments- Kenso Fujiwara | |
| 1-14 | Remobilization of Radiocesium from Sediments -Mass Balance of Dissolved 137Cs in an Artificial Reservoir in Fukushima- Hironori Funaki | |
| 1-15 | Rapid Analysis of 90Sr in Small Bone Samples -Applicability of Sr Resin for ICP-MS of 90Sr in Hard Tissues- Kazuma Koarai | |
| 1-16 | Speciation of Cs in Tree Tissues -Elucidation of the Mobility of Cs inside Trees Using Synchrotron Radiation- Kazuya Tanaka | |
| 1-17 | Where Does the Radiation Determining Air Dose Rates in Forests Originate? -Simulations Reveal the Connection between the Movement of Radioactive Cesium and Air Dose Rate Trends- Minsik Kim | |
| 1-18 | Understanding the Cesium Adsorption Behavior in Concrete -Accurate Simulation of Cement Hydrate Using Machine Learning Molecular Dynamics- Keita Kobayashi | |
| 2 | Research on Nuclear Safety and Emergency Preparedness | |
| Implementing Continuous Improvements in Safety and Emergency Preparedness | ||
| 2-1 | Reliable Thyroid Dose Measurement after a Severe Nuclear Accident -Developing a Portable Thyroid Dose Monitor- Sho Nishino | |
| 2-2 | Can Contaminated Monitoring Posts Measure Accurately in a Nuclear Accident? -Influence of Contamination on Measured Dose Rates at Monitoring Posts- Hirokazu Hiraoka | |
| 2-3 | Prediction of Structural Damage from Projectile Impacts -Numerical Evaluation of Penetration Damage under Realistic Conditions- Zuoyi Kang | |
| 2-4 | Accident Simulation: HLLW Evaporation to Dryness -Evaluating the Restraint Effect on the Release of Volatile Ruthenium- Ryoichiro Yoshida | |
| 2-5 | A Nonparametric Bayesian Method for Predicting the Embrittlement of Reactor Pressure Vessels -Toward Further Reliability of Integrity Assessment in Long-Term Operation- Hisashi Takamizawa | |
| 2-6 | Migration of Radionuclides from Radioactive Wastes of Reactor Core Structures in Underground Environments -Modeling Niobium Sorption onto Clay Minerals in the Presence of Calcium- Saki Ohira | |
| 2-7 | Detection of Undeclared Uranium Purification Activities -230Th/234U Radio-Chronometry with a Single Uranium Particle- Daisuke Suzuki | |
| 2-8 | Operating Robots Entering the Accident Site on Behalf of a Person -Training of Robot Operators for Nuclear Disaster Response- Yusuke Chiba | |
| 3 | Advanced Scientific Research | |
| Advanced Science Explores the Future | ||
| 3-1 | Nuclear Fission Unveiled via Multinucleon Transfer Reaction -Opening Fission Research in Unexplored Region of the Chart of Nuclei- Katsuhisa Nishio | |
| 3-2 | Determination of the Mass of a Ξ Hypernucleus -New Information to Understand the Structure of Neutron Stars- Kiyoshi Tanida | |
| 3-3 | Magnetic Cooling to Near Absolute Zero Temperatures -Cooling to Extremely Low Temperature Realized by Quantum Fluctuations in "Ytterbium Magnet"- Yoshifumi Tokiwa | |
| 3-4 | For a Radio-Resistant Thermoelectric Generation System -Tolerance of Spin Thermoelectric Devices for Radiation- Satoru Okayasu | |
| 3-5 | Elucidation of Low-Energy Vibrational Modes of Deuterated Water Clusters -Utilization of Terahertz-Infrared Absorption Spectroscopy and Ab Initio Calculation- Koichiro Yamakawa | |
| 3-6 | Exploration of the Exotic Structure of Pc -Hybrid State with a Mixture of Compact State and Hadron Molecule- Yasuhiro Yamaguchi | |
| 4 | Nuclear Science and Engineering Research | |
| Fundamental Technologies for Nuclear Energy Innovation | ||
| 4-1 | Toward High-Energy Neutron Applications -Development of Nuclear Reaction Database for Basic Sciences and Medicine- Shinsuke Nakayama | |
| 4-2 | Estimating Nuclear Data Using a Machine Learning Technique -Toward the Development of a High-Quality Nuclear Reaction Database- Hiroki Iwamoto | |
| 4-3 | Toward Clarifying the Chemical States of Nuclear Fuel Debris -Applicability of Micro-Raman Spectroscopy- Ryoji Kusaka | |
| 4-4 | Reassessment of Atomic Bomb Survivor Doses -Joint Japan-U.S. Study to Improve Epidemiological Research Accuracy- Tatsuhiko Sato | |
| 4-5 | Quicker Calculation of Atmospheric Dispersion of Radioactive Materials under Various Conditions -Development of the Atmospheric Dispersion Database System WSPEEDI-DB- Hiroaki Terada | |
| 4-6 | Clarification of the Spontaneous Microcracking of Aluminum Alloys -Toward the Realization of High-Strength Alloys through Computational Science- Tomohito Tsuru | |
| 4-7 | Extent of Damage to Material when Exposed to Proton Beam -Contribution to the Safety of Accelerator-Driven Systems- Shin-ichiro Meigo | |
| 5 | Neutron and Synchrotron Radiation Research | |
| Contributions to Innovative Achievement in Science and Technology | ||
| 5-1 | Toward Stable Operation of a High-Intensity Proton Beam -Development of an Online Monitoring System for the Injection Stripper Foil- Pranab Kumar Saha | |
| 5-2 | Strengthening Mechanism of Cast Iron Elucidated by a High-Intensity Pulsed Neutron Beam -Deformation Response of Each Constituent Phase Monitored by Neutron Diffraction- Stefanus Harjo | |
| 5-3 | Realization of a Highly Polarized Neutron Beam across a Wide Energy Range -Development and Application of a Neutron Polarization Device Using Highly Polarized 3He- Takuya Okudaira | |
| 5-4 | Strange Short-Range Order of Conduction Electron Spins Realized at High Temperatures -Unexpected State Found in the Newly Synthesized Magnet, Mn3RhSi- Hiroki Yamauchi | |
| 5-5 | Development of a Metal Adsorbent Using Bone Waste -A Low-Cost and High-Performance Metal Adsorbent Prepared from Food Waste- Yurina Sekine | |
| 5-6 | Fast Molecules Passing through Carbon-Atom Net -Discovery of Oxygen Molecules Slipping through Graphene- Akitaka Yoshigoe | |
| 5-7 | Atomic-Level Observation of Magnetic Ordering Process in Ferromagnetic Semiconductors -Exploring the Mechanism of Ferromagnetism for Its Practical Use in Spintronics Devices- Yukiharu Takeda | |
| 6 | HTGR Hydrogen and Heat Application Research | |
| Research and Development on HTGR, Hydrogen Production, and Heat Application Technologies | ||
| 6-1 | Prediction of Thermal-Hydraulic Behavior in HTGR Accidents -Development of Evaluation Methodology of Air-Ingress Behavior in HTGR- Takeshi Aoki | |
| 6-2 | Nuclear Design Policy to Maintain the Integrity of Coated Fuel Particles -Derivation of the Ideal Power Distribution to Minimize the Kernel Migration Rate- Shoichiro Okita | |
| 6-3 | Toward the Realization of High Temperature Gas-Cooled Reactor for Safe Reduction of Plutonium Inventory -Microstructure Observation of a Simulated Fuel Kernel- Jun Aihara | |
| 6-4 | Toward Metallic Sulfuric Acid Decomposers in the IS Process -Discovery of Steel Materials with Corrosion Resistance Equivalent to Ceramics in a Sulfated Gas Environment- Noriaki Hirota | |
| 6-5 | Membrane Technique Advancing the IS Process -Enhancement of the HI Conversion by Silica-Based Membrane Reactor- Odtsetseg Myagmarjav | |
| 6-6 | Energy Saving of the Main Reaction in the IS Process -Membrane and Electrode Development for the Bunsen Reaction Overvoltage Reduction- Nobuyuki Tanaka | |
| 6-7 | Shortening the Calculation Working Time for the Criticality Control Rod Position -Development of a Utility Tool for Auto Seeking the Critical Control Rod Position- Hai Quan Ho | |
| 7 | Research and Development of Fast Reactors | |
| Development of Technology Base and Infrastructure toward Improving the Fast Reactor Cycle | ||
| 7-1 | Observation of Nuclides Adsorbed inside the Column Using Neutrons -Non-Destructive Visualization of Nuclides by Resonance Neutron Imaging- Yasunori Miyazaki | |
| 7-2 | Improvement of the Calculation Accuracy of Power Distribution for Large Fast Reactors -Refinement of Control-Rod Calculation Method- Kazuo Takino | |
| 7-3 | Clarification of the Relocation Behavior of Degraded Fast Reactor Core Materials under Severe Accident -Development of Thermophysical Properties Database for Stainless Steel Containing Boron Carbide- Toshihide Takai | |
| 7-4 | Optimization of Alloying Components of Nuclear Core Materials -Development of an Estimation Method for Irradiation-Induced Point Defect Behavior- Yoshihiro Sekio | |
| 7-5 | Improvement and Demonstration of an Extraction Chromatography Flow-Sheet to Recover Trivalent Minor Actinides -Efficient MA(Ⅲ)/Ln(Ⅲ) Separation Process- Sou Watanabe | |
| 8 | Research and Development on Fuel Reprocessing, Decommissioning, and Radioactive Waste Management | |
| Toward Decommissioning Nuclear Facilities and Managing Radioactive Waste | ||
| 8-1 | Implementation of Disposal Project of LLW Generated in Research, Medical, and Industrial Facilities -Preparation of “Concentration Equivalent Dose Criteria” as the Standard for the Selection of Important Nuclides- Toshikatsu Sugaya | |
| 8-2 | Recovery of Nuclear Materials from Spent Extraction Solvent Using Solid Adsorbent -Investigation of Complex Formation Reaction of Iminodiacetic Acid Group in Solvent- Yoichi Arai | |
| 8-3 | Turning Difficult-to-Treat Wastes into Stable Waste Packages -Investigation of Radioactive Aluminum Waste Treatment Technology Using the Bayer Process- Misaki Seki | |
| 8-4 | Safety Improvements for Plutonium-Handling Facilities -Development of Fireproof Sheet on Glove Box Panels- Kohei Kawasaki | |
| 8-5 | Direct Observation of the Fracture Induced by Gallery Excavation -Visualization Technology Using a Resin Injection Method- Akitaka Sakurai | |
| 8-6 | Factors Affecting Rock Desaturation in Tunnel Excavation -Numerical Simulation on the Effects of Dissolved Gas and Rock Permeability- Kazuya Miyakawa | |
| 8-7 | From Micro to Macro: Approaching Mountain Formation Processes Based on Age Determinations of Minerals -Insights to the Ou Backbone Range Obtained from Low-Temperature Thermochronology- Shoma Fukuda, Shigeru Sueoka | |
| 8-8 | Reduced Geological Sample Size for Radiocarbon Dating at JAEA-AMS-TONO -Preparation Techniques Using One-Twentieth the Sample Size of the Conventional Method- Takahiro Watanabe | |
| 8-9 | Safety Assessment Considering the Evolution of Topography and the Depth of the Disposal Facility -Development of an Analysis Tool to Evaluate the Topography and Depth of a Disposal Facility- Masaaki Yamaguchi | |
| 8-10 | Electrochemical Methods to Evaluate Overpack Corrosion -Search for Passivation Conditions of Carbon Steel Surrounded by Buffer Material- Ayami Kitayama | |
| 9 | Computational Science and E-Systems Research | |
| Computational Science for Nuclear Research and Development | ||
| 9-1 | Plume Dispersion Simulations Satisfying Accuracy Criteria for Environmental Assessments -Real-Time Ensemble Calculations with Meter-Order Resolution- Naoyuki Onodera | |
| 9-2 | Exascale CFD Simulations on Fugaku and Summit -Development of Mixed-Precision Matrix Solvers for Many-Core CPUs and GPUs- Yasuhiro Idomura | |
| 9-3 | Theoretical Prediction of “Fermi Arc” -Development of Novel Method for Analyzing Strongly Correlated Electrons in Heavy-Element Compounds- Yuki Nagai | |
| 9-4 | Prevention of Hydrogen Embrittlement in Aluminum Alloys -Identification of the Intermetallic Compounds that Take Away Hydrogen from Aluminum Lattice- Masatake Yamaguchi | |
| 10 | Development of Science & Technology for Nuclear Nonproliferation | |
| Development of Technology and Human Capacity Building in the Nuclear Nonproliferation and Nuclear Security Fields to Support the Peaceful Use of Nuclear Energy | ||
| 10-1 | Toward a World without Nuclear Weapons and Nuclear Terrorism -Case Study and Factor Analysis of Denuclearization- Makiko Tazaki |
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