T. Watanabe, K. Tada, T. Endo, A. Yamamoto, "Impact of nuclear data updates from JENDL-4.0 to JENDL-5 on burnup calculations of light-water reactor fuels," J. Nucl. Sci. Technol., 63(1), pp. 3–18, DOI (2026).
S. Maruyama, A. Yamamoto, T. Endo, "Hybrid Data Assimilation Methods for Nuclear-Data-Induced Uncertainties," J. Nucl. Sci. Technol., 63(1), pp. 31–44, DOI (2026).
A. Yamamoto, K. Tsujita, T. Endo, "A Deterministic Transport Calculation Method of α-eigenvalue for Non-multiplying System using Framework of k-eigenvalue Calculation," J. Nucl. Sci. Technol., 63(1), pp. 45–53, DOI (2026).
R. Hirota, T. Moribe, T. Endo, A. Yamamoto, K. Watanabe, G. Wakabayashi, H. Shiga, A. Sakon, K. Oda, J.H. Kaneko, "Absolute measurement of subcriticality in dollar units based on lag-1 autocovariance of zero-power reactor noise," J. Nucl. Sci. Technol., 63(1), pp. 54–65, DOI (2026).
Y. Urase, A. Yamamoto, T. Endo, "Verification of in-core power distribution reconstruction based on POD for high-temperature gas-cooled reactors using ex-core detectors," J. Nucl. Sci. Technol., 63(1), pp. 66–81, DOI (2026).
A. Yamamoto, T. Endo, "Treatment of Corner Crossing Ray-traces in CMFD Acceleration of MOC," J. Nucl. Sci. Technol., 63(1), pp. 120–127, DOI (2026).
R. Kondo, A. Yamamoto, T. Endo, "Sub-pin level distribution tallies and statistical error estimation with POD tallies in two-dimensional C5G7 benchmark," J. Nucl. Sci. Technol., 63(2), pp. 142–153, DOI (2026).
T. Watanabe, N. Aizawa, G. Chiba, K. Tada, T. Fujita, A. Yamamoto, "Burnup calculation using POD-based neutron spectrum reconstruction," J. Nucl. Sci. Technol., 63(2), pp. 166–186, DOI (2026).
A. Yamamoto, T. Endo, S. Takeda, K. Yamaji, H. Koike, K. Asano, "Simplified Treatment of Coating Layers in TRISO Fuel in Statistical Geometry Method in Monte Carlo Calculation," Nucl. Sci. Eng., 200sup1, pp.S91-S104, DOI (2026).
K. Tsujita, K. Ito, T. Endo, A. Yamamoto, "Ikaros3D: a real-time 3D fine spatial mesh kinetics simulator using POD," J. Nucl. Sci. Technol., 63(2), pp. 129–141, DOI (2026).
R. Kasama, T. Endo, A. Yamamoto, "A Nonlinear Diffusion Acceleration Scheme for the SN Transport Equation with Anisotropic Scattering Using the Local Discontinuous Galerkin Method," Nucl. Sci. Eng., DOI (2026).
N. Aizawa, T. Watanabe, G. Chiba, K. Tada, T. Fujita, A. Yamamoto, "Development of quick neutron spectrum reconstruction module based on POD for burnup calculation of fast reactor," Nucl. Eng. Technol., 58(5), p. 104176, DOI (2026).
A. Yamamoto, T. Endo, "Development of general purpose neutronics analysis code GenesisRPC and its verification for light water reactor lattices," J. Nucl. Sci. Technol., 63(9), pp. 989–1000, DOI (2026).
K. Tsujita, T. Endo, A. Yamamoto, "A Factorization Approach Using Adaptive Proper Orthogonal Decomposition for Kinetics Calculations," Nucl. Sci. Eng., DOI (2026).
G. Chiba, T. Endo, "Uncertainty propagation calculation from model parameters in thermal scattering of H-1 bound in H2O to neutronics parameters with deterministic sampling method and sandwich formula," J. Nucl. Sci. Technol., DOI (2026).
T. Endo, A. Yamamoto, K. Tsujita, "Simplified P3 neutron transport calculation based on Smoothed particle hydrodynamics with second-order accuracy for second derivatives," J. Nucl. Sci. Technol., DOI (2026).
H. Kondo, A. Yamamoto, "Transforming Nuclear Safety: Effective Operation of Japan's New Reactor Oversight Process," Nucl. Technol., 212(10), pp. 2552–2575, DOI (2026).
K. Yamaji, H. Koike, K. Asano, S. Takeda, A. Yamamoto, "Resonance Treatment of Double-Heterogeneous Fuel using a Deterministic Statistical Geometry Method in Heterogeneous Transport Calculation Code GALAXY-Z," Nucl. Sci. Eng., 200(sup1), DOI (2026).
2025年
Y. Oshima, T. Endo, A. Yamamoto, "Development of Multigroup Monte Carlo Neutron Transport Method with Regionwise Even-Parity Discontinuity Factor," Nucl. Sci. Eng., 199(4), pp. 586–598, DOI (2025).
M. Ito, T. Endo, A. Yamamoto, T. Takeishi, Y. Kodama, H. Hyoudou, “Reduced order SP3 core calculation based on Local/Global iterations using proper orthogonal decomposition,” J. Nucl. Sci. Technol., 62(4), pp. 366–378, DOI (2025).
T. Fujita, A. Yamamoto, “Verification of direct coupling code system using FRENDY version 2 and GENESIS for light water reactor lattices,” J. Nucl. Sci. Technol., 62(2), pp. 179–196, DOI (2025).
S. Takeda, T. Kitada, A. Yamamoto, K. Yamaji, H. Koike. K. Asano, “Collapsed energy group structure for analysis of prismatic high-temperature gas-cooled reactor with Uranium fuel,” Ann. Nucl. Energy., 214, 111238, DOI (2025).
S. Takeda, T. Kitada, A. Yamamoto, K. Yamaji, H. Koike. K. Asano, “Investigation of thermal cut-off energy for accurate analysis of High Temperature Engineering Test Reactor,” ASMEJ. Nucl. Eng. Radiat. Sci., 11(4), NERS-24-1108, DOI (2025).
R. Kondo, A. Yamamoto, T. Endo, “Fundamental properties and characteristics of flux distribution tallies using proper orthogonal decomposition,” EPJ Nucl. Sci. Technol., 11, 21, DOI (2025).
K. Oda, J. H. Kaneko, Y. Kobayakawa, K. Watanabe, Y. Fujita, E. Hamada, T. Kishishita, M. Miyahara, M. Shoji, H. Uchinoyae, S. Nishino, Y. Tanimura, A. Chayahara, T. Shimaoka, H. Yamada, T. Endo, Y. Akashi, M. M. Tanaka, "Reduction of γ-ray-induced Noise of Diamond Detector Elements and Estimation of Neutron Detection Efficiency for the Development of a Criticality Proximity Monitoring System for the Decommissioning of the Fukushima Daiichi Nuclear Power Plant," Sens. Mater., 37(5), pp. 1977–1991 (2025).
2024年
K. Tada, A. Yamamoto, S. Kunieda, C. Konno, R. Kondo, T. Endo, G. Chiba, M. Ono, M. Tojo, "Development of nuclear data processing code FRENDY version 2," J. Nucl. Sci. Technol., 61(6), pp. 830–839, DOI (2024).
R. Kondo, T. Endo, A. Yamamoto, “Flux distribution tallies using proper orthogonal decomposition in Monte Carlo calculations,” J. Nucl. Sci. Technol., 61(12), pp. 1536–1545, DOI (2024).
S. Maruyama, A. Yamamoto, T. Endo, “Quantifying uncertainty induced by scattering angle distribution using maximum entropy method,” Ann. Nucl. Energy., 205, 110591, DOI (2024).
A. Yamamoto, T. Endo, G. Chiba, "Limited linear source approximation with edge detection for convergence stability of method of characteristics," J. Nucl. Sci. Technol., 61(11), pp. 1405–1414, DOI (2024).
S. Maruyama, T. Endo, A. Yamamoto, "Uncertainty reduction of sodium void reactivity using data from a sodium shielding experiment," J. Nucl. Sci. Technol., 61, pp. 31–43, DOI (2024).
A. Yamamoto, T. Endo, "Application of Neutron Current Method for Dancoff Factor Estimation of Fuel Particles in Double-Heterogeneous Fuel," J. Nucl. Sci. Technol., 61, pp. 354–362, DOI (2024).
T. Endo, S. Maruyama, A. Yamamoto, "Deterministic sampling method using simplex ensemble and scaling method for efficient and robust uncertainty quantification," J. Nucl. Sci. Technol., 61, pp. 363–374, DOI (2024).
R. Katano, A. Oizumi, M. Fukushima, C. H. Pyeon, A. Yamamoto, T. Endo, "Impact of Uncertainty Reduction on Lead-Bismuth Coolant in Accelerator-Driven System using Sample Reactivity Experiments," Nucl. Sci. Eng., 198(6), pp. 1215–1234, DOI (2024).
A. Yamamoto, T. Endo, S. Takeda, H. Koike, K. Yamaji, K. Asano, "Deterministic Transport Calculation Method for Statistical Geometry with Small Fuel Particles," Nucl. Sci. Eng., 198(5), pp. 981–992, DOI (2024).
2023年
T. Endo, F. Nishioka, A. Yamamoto, K. Watanabe, C. H. Pyeon, "Theoretical Derivation of a Unique Combination Number Hidden in the Higher-Order Neutron Correlation Factors Using the Pál-Bell Equation," Nucl. Sci. Eng., 197, pp. 176–188, DOI (2023).
G. Chiba, A. Yamamoto, K. Tada, "ACE-FRENDY-CBZ: A New Neutronics Analysis Sequence Using Multi-group Neutron Transport Calculations," J. Nucl. Sci. Technol., 60, 132-139, DOI (2023).
Y. Fukui, T. Endo, A. Yamamoto, "Nuclear Data Adjustment Using a Deterministic Sampling Method with Unscented Transformation," J. Nucl. Sci. Technol., 60, pp. 238–250, DOI (2023).
K. Tsujita, T. Endo, A. Yamamoto, "Efficient Reduced Order Model Based on the Proper Orthogonal Decomposition for Time-dependent MOC Calculations," J. Nucl. Sci. Technol., 60, pp. 343–357, DOI (2023).
S. Hohara, T. Endo, K. Takahashi, K. Nakajima, A. Sakon, T. Sano, K. Hashimoto, "A Feynman-α analysis ranging over time constants of delayed neutrons based on time-sequence counting data consecutively acquired for a very long time" J. Nucl. Sci. Technol., 60, pp. 724–730, DOI (2023).
S. Maruyama, T. Endo, A. Yamamoto, "An estimation method for an unknown covariance in cross-section adjustment based on unbiased and consistent estimator," J. Nucl. Sci. Technol., 60, pp. 1372–1385, DOI (2023).
T. Watanabe, K. Tada, T. Endo, A. Yamamoto, "Impact of nuclear data revised from JENDL-4.0 to JENDL-5 on PWR spent fuel nuclide composition," J. Nucl. Sci. Technol., 60, pp. 1386–1396, DOI (2023).
K. Tada, T. Endo, "Convergence behavior of statistical uncertainty in probability table for cross section in unresolved resonance region," J. Nucl. Sci. Technol., 60, pp. 1397–1405, DOI (2023).
Y. Morishita, A. Yamamoto, T. Endo, "Sensitivity Analysis of Risk Assessment for Continuous Markov Process Monte Carlo Method using Correlated Sampling Method," J. Nucl. Sci. Technol., 60, pp. 1573–1585, DOI (2023).
T. Amano, T. Endo, A. Yamamoto, "Comparison of internal boundary conditions for optical diffusion calculations considering reflection and refraction," Optics Continuum, 2(7), pp. 1540–1560, DOI (2023).
2022年
A. Yamamoto, T. Endo, G. Chiba, K. Tada, "Implementation of Resonance Upscattering Treatment in FRENDY Nuclear Data Processing System," Nucl. Sci. Eng., 196, pp. 1267–1279, DOI (2022).
R. Kondo, T. Endo, A. Yamamoto, S. Takeda, H. Koike, K. Yamaji, K. Asano, "Improvements in Computational Efficiency for Resonance Calculation Using Energy Spectrum Expansion Method," Nucl. Sci. Eng., 196, pp. 769–791, DOI (2022).
R. Katano, A. Yamamoto, T. Endo, "Sensitivity Coefficient Evaluation of an Accelerator-Driven System Using ROM-Lasso Method," Nucl. Sci. Eng., 196, pp. 1194–1208, DOI (2022).
T. Endo, F. Nishioka, A. Yamamoto, K. Watanabe, C.H. Pyeon, "Application of dynamic mode decomposition to Rossi-α method in a critical state using file-by-file moving block bootstrap method," J. Nucl. Sci. Technol., 59, pp. 1117–1126, DOI (2022).
Y. Oshima, T. Endo, A. Yamamoto, "Impact of Angular and Spatial Source Distribution Approximations on Convergence Performance of Nonlinear Acceleration Methods for MOC in Slab Geometry," Nucl. Sci. Eng., 196, pp. 379–394, DOI (2022).
F. Nishioka, T. Endo, A. Yamamoto, M. Yamanaka, C.H. Pyeon, "Applicability of Dynamic Mode Decomposition to Estimate Fundamental Mode Component of Prompt Neutron Decay Constant from Experimental Data," Nucl. Sci. Eng., 196, pp. 133–143, DOI (2022).
2021年
A. Yamamoto, K. Tada, G. Chiba, T. Endo, "Multi-group neutron cross section generation capability for FRENDY nuclear data processing code,"J. Nucl. Sci. Technol., 58, pp. 1165–1183, DOI (2021).
A. Yamamoto, T. Endo, K. Tada, "Adaptive setting of background cross sections for generation of effective multi-group cross sections in FRENDY nuclear data processing code,"J. Nucl. Sci. Technol., 58, pp. 1343–1350, DOI (2021).
K. Sawada, A. Yamamoto, T. Endo, C. Sato, K. Maeda, S. Jang, "Application of continuous Markov-chain Monte-Carlo method to multi-unit risk evaluations considering interdependence of accident progression among multiple units,"J. Nucl. Sci. Technol., 58, pp. 1308–1317, DOI (2021).
T. Hayashi, T. Endo, A. Yamamoto, "Proposal and applicability of estimated criticality lower-limit multiplication factor using the bootstrap method," J. Nucl. Sci. Technol., 58, pp. 1008–1017, DOI (2021).
R. Kondo, T. Endo, A. Yamamoto, S. Takeda, H. Koike, K. Yamaji, D. Sato, "A New Resonance Calculation Method Using Energy Expansion Based on a Reduced Order Model," Nucl. Sci. Eng., 195, pp. 694–716, DOI (2021).
M. Sasaki, Y. Sanada, E.W. Katengeza, A. Yamamoto, "New method for visualizing the dose rate distribution around the Fukushima Daiichi Nuclear Power Plant using artificial neural networks," Sci. Rep., 11, 1857 (2021).
M. Yamamoto, T. Endo, A. Yamamoto, "Compression of Cross-Section Data Size for High-Resolution Core Analysis Using Dimensionality Reduction Technique," Nucl. Sci. Eng., 195, pp. 33–49, DOI (2021).
K. Tsujita, T. Endo, A. Yamamoto, "Fast reproduction of time-dependent diffusion calculations using the reduced order model based on the proper orthogonal and singular value decompositions," J. Nucl. Sci. Technol., 58, pp. 173–183, DOI (2021).
2020年
C.H. Pyeon, M. Yamanaka, T. Endo, G. Chiba, W.F.G. van Rooijen, K. Watanabe, "Neutron Generation Time in Highly-Enriched Uranium Core at Kyoto University Critical Assembly," Nucl. Sci. Eng., 194, pp. 1116–1127, DOI (2020).
T. Endo, A. Yamamoto, "Data Assimilation Using Subcritical Measurement of Prompt Neutron Decay Constant," Nucl. Sci. Eng., 194, pp. 1089–1104, DOI (2020).
M. Matsushita, T. Endo, A. Yamamoto, "Applicability of a reduced order model for a safety analysis code to statistical safety analysis," J. Nucl. Sci. Technol., 57, pp. 1307–1318, DOI (2020).
Y. Oshima, T. Endo, A. Yamamoto, Y. Kodama, Y. Ohoka, H. Nagano, "Impact of Various Parameters on Convergence Performance of CMFD Acceleration for MOC in Multigroup Heterogeneous Geometry," Nucl. Sci. Eng., 194, pp. 477–491, DOI (2020).
B. Foad, A. Yamamoto, T. Endo, "Implementation of the unscented transformation with low rank approximation in uncertainty analysis during large-break loss of coolant accident," Ann. Nucl. Energy., 146, 107614, DOI (2020).
B. Foad, A. Yamamoto, T. Endo, "Uncertainty and Regression Analysis of the MSLB Accident in PWR Based on Unscented Transformation and Low Rank Approximation," Ann. Nucl. Energy., 143, 107493, DOI (2020).
B. Foad, A. Yamamoto, T. Endo, "Efficient uncertainty quantification for PWR during LOCA using unscented transform with singular value decomposition," Ann. Nucl. Energy., 141, 107341, DOI (2020).
K. Tsujita, T. Endo, A. Yamamoto, "Application of the multigrid amplitude function method for time-dependent MOC based on the linear source approximation," J. Nucl. Sci. Technol., 57, pp. 646–662, DOI (2020).
S. Ishiguro, A. Yamamoto, T. Endo, "Loading Pattern Optimization for a PWR using Multi-Swarm Moth Flame Optimization Method with Predator," J. Nucl. Sci. Technol., 57, pp. 523–536, DOI (2020).
M. Matsushita, A. Yamamoto, T. Endo, "Development of a reduced order model for severe accident analysis codes by singular value decomposition aiming probabilistic safety margin analysis," J. Nucl. Sci. Technol., 57, pp. 573–589, DOI (2020).
T. Endo, A. Nonaka, S. imai, A. Yamamoto, A. Sakon, K. Hashimoto, "Subcriticality measurement using time-domain decomposition-based integral method for simultaneous reactivity and source changes," J. Nucl. Sci. Technol., 57, pp. 607–616, DOI (2020).
K. Watanabe, M. Yamanaka, T. Endo, C.H. Pyeon, "Real-time subcriticality monitoring system based on a highly sensitive optical fiber detector in an accelerator-driven system at the Kyoto University Critical Assembly," J. Nucl. Sci. Technol., 57, pp. 136–144, DOI (2020).
G. Chiba, T. Endo, "Numerical benchmark problem of solid-moderated enriched-uranium-loaded core at Kyoto university critical assembly," J. Nucl. Sci. Technol., 57, pp. 187–195, DOI (2020).
T. Endo, K. Watanabe, G. Chiba, M. Yamanaka, W.F.G. van Rooijen, C.H. Pyeon, "Nuclear data-induced uncertainty quantification of prompt neutron decay constant based on perturbation theory for ADS experiments at KUCA," J. Nucl. Sci. Technol., 57, pp. 196–204, DOI (2020).
M. Yamanaka, C.H. Pyeon, T. Endo, K. Watanabe, G. Chiba, W.F.G. van Rooijen, "Experimental analyses of βeff/Λ in accelerator-driven system at Kyoto University Critical Assembly,"J. Nucl. Sci. Technol., 57, pp. 205–215, DOI (2020).
T. Mitsuyasu, A. Yamamoto, "A kinetic model for the direct response matrix method," J. Nucl. Sci. Technol., 57, pp. 90–99, DOI (2020).
2019年
M Sasaki, Y Sanada, A Yamamoto, "Application of the forest shielding factor to the maximum-likelihood expectation maximization method for airborne radiation monitoring," Radiat. Prot. Dosim., 184, pp. 400–404 (2019).
A. Yamamoto, T. Endo, A. Giho, "Transport consistent diffusion coefficient for CMFD acceleration and comparison of convergence properties," J. Nucl. Sci. Technol., 56, pp. 716–723, DOI (2019).
C.H. Pyeon, M. Yamanaka, A. Oizumi, M. Fukushima, G. Chiba, K. Watanabe, T. Endo, W.F.G. van Rooijen, K. Hashimoto, A. Sakon, N. Aizawa, Y. Kuriyama, T. Uesugi, Y. Ishi, "First nuclear transmutation of Np237 and Am241 by accelerator-driven system at Kyoto University Critical Assembly," J. Nucl. Sci. Technol., 56, pp. 684–689 (2019).
A. Yamamoto, A. Giho, T. Endo, "Utilization of Regionwise Even-Parity Discontinuity Factor to Reduce Discretization Error of MOC," Nucl. Sci. Eng., 193, pp. 253–268, DOI (2019).
T. Endo, A. Yamamoto, "Comparison of theoretical formulae and bootstrap method for statistical error estimation of Feynman-α method," Ann. Nucl. Energy, 124, pp. 606–615, DOI (2019).
T. Endo, A. Yamamoto, M. Yamanaka, C.H. Pyeon, "Experimental validation of unique combination numbers for third- and fourth-order neutron correlation factors of zero-power reactor noise," J. Nucl. Sci. Technol., 56, pp. 322–336, DOI (2019).
A. Yamamoto, T. Endo, H. Nagano, Y. Ohoka, K. Yamamoto, "A simple treatment of increased gap due to fuel assembly bowing through correction of cross sections," J. Nucl. Sci. Technol., 56, pp. 471–478, DOI (2019).
A. Yamamoto, A. Giho, T. Endo, "A New Interpretation of Discontinuity Factor," Nucl. Sci. Eng., 193, pp. 991–997, DOI (2019).
S. Sugaya, T. Endo, A. Yamamoto, "Inverse Estimation Methods of Unknown Radioactive Source for Fuel Debris Search," Ann. Nucl. Energy, 124, pp. 49–57, DOI (2019).
M. Sasaki, A. Ishizaki, Y. Sanada, "Development of analysis method for airborne radiation monitoring using the inverse problem solutions," Prog. Nuc. Sci. Tech. Energy, 6, pp. 63–67, DOI (2019).
2018年
C.H. Pyeon, M. Yamanaka, M. Ito, G. Chiba, T. Endo, S.H. Kim, W.F.G. van Rooijen, "Uncertainty quantification of criticality in solid-moderated and -reflected cores at Kyoto University Critical Assembly," J. Nucl. Sci. Technol., 55, pp. 812–821, DOI (2018).
T. Endo, G. Chiba, W.F.G. van Rooijen, M. Yamanaka, C.H. Pyeon, "Experimental analysis and uncertainty quantification using random sampling technique for ADS experiments at KUCA," J. Nucl. Sci. Technol., 55, pp. 450–459, DOI (2018).
T. Mitsuyasu, M. Aoyama, A. Yamamoto, "Subchannel void distribution correction model for the two-stage core analysis method in boiling water reactors," Ann. Nucl. Energy, 122, pp. 146–154, DOI (2018).
K. Hayashi, A. Yamamoto, T. Endo, "Underestimation of statistical uncertainty of local tallies in Monte Carlo eigenvalue calculation for simple and LWR lattice geometries ," J. Nucl. Sci. Technol., 55, pp. 1434–1458, DOI (2018).
T. Endo, A. Yamamoto, "Sensitivity Analysis of Prompt Neutron Decay Constant using Perturbation Theory," J. Nucl. Sci. Technol., 55, pp. 1245–1254, DOI (2018).
A. Yamamoto, A. Giho, T. Endo, "Flux Region Assignment Method using Ray Trace Information for the Method of Characteristics to Improve Cache Efficiency," Nucl. Sci. Eng., 192, pp. 243–250, DOI (2018).
R. Katano, T. Endo, A. Yamamoto, K. Tsujimoto, "Estimation of Sensitivity Coefficient based on Lasso-type Penalized Linear Regression," J. Nucl. Sci. Technol., 55, pp. 1099–1109, DOI (2018).
K. Yokoyama, A. Yamamoto, T Kitada, "Dimension-reduced Cross-section Adjustment Method based on Minimum Variance Unbiased Estimation," J. Nucl. Sci. Technol., 55, pp. 319–334, DOI (2018).
H. Koike, K. Kirimura, K. Yamaji, S. Kosaka, A. Yamamoto, "Radially and azimuthally dependent resonance self-shielding treatment for general multi-region geometry based on a unified theory," J. Nucl. Sci. Technol., 55, pp. 41–65, DOI (2018).
2017年
T. Mitsuyasu, M. Aoyama, A. Yamamoto, "A Coupling Model for the Two-stage Core Calculation Method with Subchannel Analysis for Boiling Water Reactors," Ann. Nucl. Energy, 102, pp. 77–84, DOI (2017).
V.P. Tran, H.N. Tran, A. Yamamoto, T. Endo, "Automated Generation of Burnup Chain for Reactor Analysis Applications," Kerntechnik, 82, pp. 196–205, DOI (2017).
W.F.G. van Rooijen, T. Endo, G. Chiba, C.H. Pyeon, "Analysis of the KUCA ADS Benchmarks with Diffusion Theory," Prog. Nucl. Energy, 101, pp. 243–250, DOI (2017).
C.H. Pyeon, M. Yamanaka, S.H. Kim, T.M. Vu, T. Endo, W.F.G. van Rooijen, G. Chiba, "Benchmarks of Subcriticality in Accelerator-Driven System at Kyoto University Critical Assembly," Nucl. Eng. Technol., 49[6], pp. 1234–1239, (2017).
A. Yamamoto, A. Giho, T. Endo, "Recent Developments in the GENESIS code based on the Legendre Polynomial Expansion of Angular Flux Method," Nucl. Eng. Technol., 49(6), pp. 1143–1156, DOI (2017).
G. Chiba, T. Endo, W.F.G. van Rooijen, C.H. Pyeon, "On Prediction Accuracy of Neutronics Parameters of Accelerator-Driven System," EPJ Web Conf., ND 2016: International Conference on Nuclear Data for Science and Technology, 146, p. 9005, DOI (2017).
C.H. Pyeon, M. Yamanaka, T. Endo, W.F.G. van Rooijen, G. Chiba, "Experimental benchmarks on kinetic parameters in accelerator-driven system with 100 MeV protons at Kyoto University Critical Assembly," Ann. Nucl. Energy, 105, pp. 346–354, DOI (2017).
A. Yamamoto, A. Giho, Y. Kato, T. Endo, "GENESIS – A Three-dimensional Heterogeneous Transport Solver based on the Legendre Polynomial Expansion of Angular Flux Method," Nucl. Sci. Eng., 186(1), pp. 1–22, DOI (2017).
R. Katano, T. Endo, A. Yamamoto, M. Abdo, H. Abdel-Khalik"Estimation of Sensitivity Coefficients of Core Characteristics based on Reduced-order Modeling using Sensitivity Matrix of Assembly Characteristics," J. Nucl. Sci. Technol., 54(6), pp. 637–647, DOI (2017).
A. Yamamoto, K. Kinoshita, T. Endo, "Estimation of Modeling Approximation Errors using Data Assimilation with the Minimum Variance Approach," J. Nucl. Sci. Technol., 54[4], pp. 459–471, DOI (2017).
T. Okubo, T. Endo, A. Yamamoto, "An Efficient Execution of Monte Carlo Simulation Based on Delta-tracking Method using GPUs," J. Nucl. Sci. Technol.,54[1], pp. 30–38, DOI (2017).
2016年
T. Endo, A. Yamamoto, T. Yagi, C. H. Pyeon, "Statistical Error Estimation of the Feynman-α Method using the Bootstrap Method," J. Nucl. Sci. Technol., 53[9], pp. 1447–1453, DOI (2016).
K. Yokoyama, A. Yamamoto, "Cross Section Adjustment Methods based on Minimum Variance Unbiased Estimation," J. Nucl. Sci. Technol., 53[10],pp. 1622–1638, DOI (2016).
T. Endo, A. Yamamoto, T. Watanabe, "Bias Factor Method Using Random Sampling Technique," J. Nucl. Sci. Technol., 53[10], pp. 1494–1501, DOI (2016).
A. Yamamoto, T. Sakamoto, T. Endo, "Discontinuity Factors for Simplified P3 Theory," Nucl. Sci. Eng., 183[1], pp. 39–51, DOI (2016).
A. Yamamoto, T. Sakamoto, T. Endo, "A CMFD Acceralation Method for SP3 Advanced Nodal Method," Nucl. Sci. Eng., 184[2], pp. 168–173, DOI (2016).
M. Tabuchi, A. Yamamoto, T. Endo, M. Tatsumi, "Reduction of MOC Discretization Errors Through a Minimization of Source Ratio Variances," J. Nucl. Sci. Technol., 53[11], pp. 1858–1869, DOI (2016).
G. Chiba, C.H. Pyeon, W. van Rooijen, T. Endo, "Nuclear data-induced uncertainty quantification of neutronics parameters of accelerator-driven system," J. Nucl. Sci. Technol., 53[10], pp. 1653–1661, DOI (2016).
H. Koike, K. Yamaji, K. Kirimura, S. Kosaka, H. Matsumoto, A. Yamamoto, "Integration of Equivalence Theory and Ultra-fine-group Slowing-down Calculation for Resonance Self-shielding Treatment in Lattice Physics Code GALAXY," J. Nucl. Sci. Technol., 53[6], pp. 842–869, DOI (2016).
2015年
T. Endo, T. Watanabe, A. Yamamoto, "Confidence interval estimation by bootstrap method for uncertainty quantification using random sampling method," J. Nucl. Sci. Technol., 52, pp. 993–999, DOI (2015).
T. Fujita, T. Endo, A. Yamamoto, "Application of correction technique using leakage index combined with SPH or discontinuity factors for energy collapsing on pin-by-pin BWR core analysis," J. Nucl. Sci, Technol., 52, pp. 355–370, DOI (2015).
A. Yamamoto, K. Kinoshita, T. Watanabe, T. Endo, Y. Kodama, T. Ohoka, T. Ushio, H. Nagano, "Uncertainty Quantification of LWR Core Characteristics using Random Sampling Method," Nucl. Sci, Eng.,181, pp. 160–174, DOI (2015).
2014年
T. Sakamoto, T. Endo, A. Yamamoto, "Applicability of angular flux discontinuity factor preserving region-wise leakage for integro-differential transport equation," J. Nucl. Sci, Technol., 51, pp. 1264–1273, DOI (2014).
T. Fujita, T. Endo, A. Yamamoto, "A new technique for spectral interference correction on pin-by-pin BWR core analysis," J. Nucl. Sci. Technol., 51, pp. 783–797, DOI (2014).
T. Watanabe, T. Endo, A. Yamamoto, Y. Kodama, Y. Ohoka, T. Ushio, "Cross Section Adjustment Method Based on Random Sampling Technique," J. Nucl. Sci. Technol., 51, pp. 590–599, DOI (2014).
K. Tsujita, T. Endo, A. Yamamoto, "Application of Augmented Reality to Nuclear Reactor Core Simulation for Fundamental Nuclear Engineering Education," Nucl. Technol., 185, pp. 71–84, DOI (2014).
T. Fujita, T. Endo, A. Yamamoto, "A macroscopic cross-section modelfor BWR pin-by-pin core analysis," J. Nucl. Sci. Technol., 51, pp. 282–304, DOI (2014).
2013年
M. Tabuchi, A. Yamamoto, T. Endo, N. Sugimura, "Convergence analysisof MOC inner iterations with large negative self-scattering cross-section," J. Nucl. Sci. Technol., 50, pp. 493–502, DOI (2013).
M. Tabuchi, A. Yamamoto, T. Endo, N. Sugimura, "Preservation of transmission probabilities in the method of characteristics," J. Nucl. Sci. Technol., 50, pp. 837–843, DOI (2013).
A. Yamamoto, Y. Yasue, T. Endo, M. Tatsumi, Y. Kodama, Y. Ohoka, "Uncertainty estimation of core safety parameters using cross-correlations of covariance matrix", J. Nucl. Sci. Technol., 50, pp. 966–978, DOI (2013).
2012年
Y. Tur, T. Endo, A. Yamamoto, "Analysis of integral experiment onerbia-loaded thermal spectrum cores using Kyoto University Critical Assemblyby MCNP code with various cross section libraries," J. Nucl. Sci. Technol., 49, pp. 1028–1041, DOI (2012).
G. Chiba, A. Yamamoto, T. Tsuji, T. Narabayashi, "Efficient FissionNeutron Spectrum Matrix Representation by Singular Value DecompositionTechnique," J. Nucl. Sci. Technol., 49, pp. 748–753, DOI (2012).
M. Yamasaki, H. Unesaki, A. Yamamoto, T. Takeda, M. Mori, "Developmentof Erbia Credit Super High Burnup Fuel: Evaluation of Minimum Erbia Contentfor Criticality Safety Analyses," Nucl. Technol., 180(1), pp. 18–27, DOI (2012).
H. Koike, K. Yamaji, K. Kirimura, D. Sato, H. Matsumoto, A. Yamamoto, "AdvancedResonance Self-Shielding Method for Gray Resonance Treatment in LatticePhysics Code GALAXY," J. Nucl. Sci. Technol., 49[7], pp. 725–747, DOI (2012).
T. Fujita, K. Tada, T. Endo, A. Yamamoto, S. Kosaka, G. Hirano, K. Nozaki, "An Optimization Approach to Establish an Appropriate Energy GroupStructure for BWR Pin-by-Pin Core Analysis," J. Nucl. Sci. Technol., 49[7], pp. 689–707, DOI (2012).
A. Yamamoto, "Utilization of Discontinuity Factor in Integro-differentialType of Boltzmann Transport Equation," Nucl. Sci. Eng., 172(3), pp. 259–267, DOI (2012).
Y. Ban, T. Endo, A. Yamamoto, "A Unified Approach for Numerical Calculation of Space-dependent Kinetics Equation," J. Nucl. Sci. Technol., 49[5], pp. 496–515, DOI (2012).
M. Yamasaki, H. Unesaki, A. Yamamoto, T. Takeda, M. Mori, "Developmentof Erbia Credit Super High Burnup Fuel: Experiments and Numerical Analyses," Nucl. Technol., 177, pp. 63–72, DOI (2012).
2011年
K.Tada, T. Fujita, T. Endo, A. Yamamoto, S. Kosaka, G. Hirano, K. Nozaki, "Application of Quick Subchannel Analysis Method for Three-Dimensional Pin-by-Pin BWR Core Calculations," J. Nucl. Sci. Technol., 48[12], pp. 1437–1452, DOI (2011).
T. Endo, K. Ohori, A. Yamamoto, "Application of the Robust Design Concept for Fuel Loading Pattern," J. Nucl. Sci. Technol., 48, pp. 1077–1086, DOI (2011).
A. Yamamoto, and T. Endo, "Overview of Core Simulation Methodologiesfor Light Water Reactor Analysis," International Electronic Journal of Nuclear Safety and Simulation, 2, pp. 12–21 (2011).
A. Yamamoto, T. Iwata, Y. Yamane, "Optimum In-Core Power Sharing withMulticycle Coupling Effect," Prog. Nucl. Energy, 53, pp. 593–599, DOI (2011).
T. Endo, A. Yamamoto, Y. Yamane, "Detected-Neutron Multiplication Factor Measured by Neutron Source Multiplication Method," Ann. Nucl. Energy, 38, pp. 2417–2427, DOI (2011).
A. Yamamoto, T. Endo, H. Koike, "Improved Derivation of MultigroupEffective Cross Section for Heterogeneous System by Equivalence Theory," Nucl. Sci. Eng., 168, pp. 75–92, DOI (2011).
H. Yu, T. Endo, A. Yamamoto, "Resonance Calculation for Large and Complicated Geometry Using Tone's Method by Incorporating the Method of Characteristics," J. Nucl. Sci. Technol., 48, pp. 330–336, DOI (2011).
A. Yamamoto, T. Endo, G. Chiba, "Improvement of Tone's Method with Two-termRational Approximation," J. Nucl. Sci. Technol., 48, pp. 263–271, DOI (2011).
Y. Ban, T. Endo, A. Yamamoto, Y. Yamane, "Explicit Time Integration Schemeusing Krylov Subspace Method for Reactor Kinetics Equation," J. Nucl. Sci. Technol., 48, pp. 243–255, DOI (2011).
2010年
A. Yamamoto, T. Endo, M. Tabuchi, N. Sugimura, T. Ushio, M. Mori, M. Tatsumi, Y. Ohoka, "AEGIS: An Adovanced Lattice Physics Code for Light WaterReactor Analyses," Nucl. Eng. Technol., 42, pp. 500–519, DOI (2010).
K. Tada, A. Yamamoto, Y. Yamane, S. Kosaka, G. Hirano, "Validiation ofNeutron Current Formulations for the Response Matrix Method based on theSP3 Theory," Ann. Nucl. Energy, 37, pp. 22–27, DOI (2010).
2009年
A. Yamamoto, R. Nakamura, "Examination of Pin-by-pin Fission Rate Distributionin Large Geometry Evaluated by the Monte-Carlo Method," Ann. Nucl. Energy, 36, pp. 1726–1733, DOI (2009).
H. N. Tran, A. Yamamoto, Y. Yamane, "An Improved Inverse AnalysisModel for Fuel Loading Pattern Optimization," J. Nucl. Sci. Technol., 46, pp. 1162–1169, DOI (2009).
M Watanabe, A. Yamamoto, Y. Yamane, "Measuring the Photoneutrons Originatingfrom D(γ, n)H reaction after the Shutdown of Operational BWR," J. Nucl. Sci. Technol., 46, pp. 1099–1112, DOI (2009).
A.Yamamoto, M. Tatumi, N. Sugimura, "Projected Predictor-corrector Method for LatticePhysics Burnup Calculations, "Nucl. Sci. Eng., 163, pp. 144–151, DOI (2009).
A. Yamamoto, "Applicability of the Enhanced Neutron Current Method forNon-convex Fuel Shapes," Ann. Nucl. Energy, 36, pp. 193–198, DOI (2009).
K. Tada, A. Yamamoto, Y. Yamane, "Treatment of Staggered Mesh forBWR Pin-by-Pin Core Analysis," J. Nucl. Sci. Technol., 46, pp. 163–174, DOI (2009).
2008年
A. Yamamoto, "Evaluation of Background Cross-section for Heterogeneousand Complicated Geometry by the Enhanced Neutron Current Method," J. Nucl. Sci. Technol., 45, pp. 1287–1292, DOI (2008).
K. Tada, A. Yamamoto, Y. Yamane, Y. Kitamura, "Applicability of the Diffusion and the Simplified P3 Theories for Pin-by-pin Geometry of BWR," J.Nucl. Sci. Technol., 45, pp. 997–1008, DOI (2008).
M.Watanabe, A.Yamamoto, Y.Yamane, "Measuring the Ration of 242Cm to 244Cm in operating BWR Cores UsingStart-Up Range Neutron Monitors," J.Nucl. Sci. Technol., 45, pp. 1–12, DOI (2008).
Y. Kitamura, L. Pal, I. Pazsit, A. Yamamoto, Y. Yamane, "Some properties of zero power neutron noisein a time-varying medium with delayed neutrons," Ann. Nucl. Energy, 35, pp. 1621–1627, DOI (2008).
A. Yamamoto, Y. Kitamura, Y. Yamane, "Simplified Treatments of Anisotropic Scattering in LWR Core Calculations," J. Nucl. Sci. Technol., 45(3), pp. 217–229, DOI (2008).
A. Yamamoto, "Reduction of Spatial Discretization Error for the Method of Characteristics using the Mobile-Chord Ray Tracing," Ann. Nucl. Energy., 35, pp. 783–789 (2008).
T. Endo, A. Yamamoto, Y. Yamane, "Development of Deterministic Code Basedon the Discrete Ordinates Method for the Third-Order Neutron Correlation Technique," Ann. Nucl. Energy, 35(5), pp. 927–936, DOI (2008).
2007年
T. Endo, A. Yamamoto, "Development of New Solid Angle Quadrature Sets to Satisfy Even- and Odd-Moment Conditions," J. Nucl. Sci. Technol., 44, pp. 1249–1258, DOI (2007).
N. Sugimura, A. Yamamoto, "Resonance Treatment Based on Ultra-fine-group Spectrum Calculation in the AEGIS Code," J. Nucl. Sci. Technol., 44, pp. 958–966, DOI (2007).
A. Yamamoto, M. Tabuchi, N. Sugimura, T. Ushio, M. Mori, "Derivation of Optimum Polar Angle Quadrature Set for the Method of Characteristics Based on Approximation Error of the Bickley Function," J. Nucl. Sci. Technol., 44, pp. 129–136, DOI (2007).
A. Yamamoto, M. Tatsumi, N. Sugimura, "Numerical Solution of Stiff Burnup Equation with Short Half Lived Nuclides by the Krylov Subspace Method," J. Nucl. Sci. Technol., 44, pp. 147–154, DOI (2007).
Y. Kitamura, I. Pazsit, A. Yamamoto, Y. Yamane, "Calculation of higher moments of the neutronmultiplication process in a time-varying medium," Ann. Nucl. Energy, 34, pp. 385–395, DOI (2007).
N. Sugimura, A. Yamamoto, T. Ushio, M. Mori, M. Tabuchi, T. Endo, "Neutron Transport Models of AEGIS: An Advanced Next-Generation Neutronics Design System," Nucl. Sci. Eng., 155, pp. 276–289, DOI (2007).
2006年
M. Tohjoh, T. Endo, M. Watanabe, A. Yamamoto, "Effect of error propagation of nuclide number densities on Monte Carlo burn-up calculations," Ann. Nucl. Energy, 33, pp. 1424–1436, DOI (2006).
A. Yamamoto, M. Tatsumi, "Improvement of Spatial Discretization Error on the Semi-analytic Nodal Method using the Scattered Source Subtraction Method," J. Nucl. Sci. Technol., 43, pp. 1481–1489, DOI (2006).
A. Yamamoto, "Reduction of the Spatial Discretization Error in the Method of Characteristics using the Diamond-difference Scheme," J. Nucl. Sci. Technol., 43, pp. 1327–1335, DOI (2006).
N. Sugimura, A. Yamamoto, "Evaluation of Dancoff Factors in Complicated Geometry Using the Method of Characteristics," J. Nucl. Sci. Technol., 43, pp. 1182–1187, DOI (2006).
T. Endo, Y. Yamane, A. Yamamoto, "Derivation of Theoretical Formula forthe Third Order Neutron Correlation Technique by Using Importance Function," Ann. Nucl. Energy, 33, pp. 857–868, DOI (2006).
T. Endo, Y. Yamane, A. Yamamoto, "Space and Energy Dependent Theoretical Formula for the Third Order Neutron Correlation Technique,"Ann. Nucl. Energy, 33, pp. 521–537, DOI (2006).
A. Yamamoto, N. Sugimura, "Improvement on Multi-group Scattering Matrixin Thermal Energy Range Generated by NJOY," Ann. Nucl. Energy, 33, pp. 555–559, DOI (2006).
Y. Kitamura, K. Taguchi, A. Yamamoto, Y. Yamane, T. Misawa, T. Ichihara, C. Nakamura, H. Oigawa, "Application of Variance-to-mean Technique to Subcriticality Monitoring for Accelerator-driven Sub-critical Reactor," Int. J. of Nucl. Energy Sci. and Technol., 2, pp. 266–284, DOI (2006).
Y. Kitamura, T. Misawa, A. Yamamoto, Y. Yamane, C. Ichihara, H. Nakamura, "Feynman-alpha experiment with stationary multiple emissionsources," Progress in Nuclear Energy, 48, pp. 477–616, DOI (2006).
Y. Kitamura, K. Taguchi, T. Misawa, I, Pazsit, A. Yamamoto, Y. Yamane, C. Ichihara, H. Nakamura, H. Oigawa, "Calculation of the Stochastic Pulsed Rossi-alpha Formula and its Experimental Verification," Prog. Nucl .Energy, 48, pp. 37–50, DOI (2006).
A. Yamamoto, M. Tohjoh, K. Komori, Y. Kitamura, Y. Yamane, "Reduction in Workload of BWR In-CoreFuel Shuffling by New Optimization Methods," Nucl. Technol., 154, pp. 318–327, DOI (2006).
2005年
M. Tohjoh, M. Watanabe, A. Yamamoto, "Application of the Three-dimensional Pin PowerReconstruction Method to the Axially Discontinuous Region in BWR," Ann. Nucl. Energy, 33, pp. 242–251, (2005).
M. Tohjoh, M. Watanabe, A. Yamamoto, "Study of the Spatial Discretization and Temperature Distribution Approximation Effects on BWR Assembly Calculations," Ann. Nucl. Energy, 33, pp. 170–179, DOI (2005).
Y. Kitamura, I. Pazsit, J. Wright, A. Yamamoto, Y. Yamane, "Calculation of the pulsed Feynman-and Rossi-alpha Formulae with Delayed Neutrons," Ann. Nucl. Energy, 32, pp. 671–692, DOI (2005).
M. Tohjoh, M. Watanabe, A. Yamamoto, "Application of continuous-energy Monte Carlocode as a cross-section generator of BWR core calculations," Ann. Nucl. Energy, 32, pp. 857–875, DOI (2005).
A. Yamamoto, "Generalized Coarse Mesh Rebalance Method for Acceleration of Neutron Transport Calculations," Nucl. Sci. Eng., 151, pp. 274–282, DOI (2005).
A. Yamamoto, Y. Kagagiri, Y. Yamane, "A Conceptual Design Study of Proliferation-Resistant PWR Fuel using Reprocessed Uranium," Nucl. Eng. Des., 235, pp. 649–660, DOI (2005).
A. Yamamoto, T. Ikeno, "Impact of Pin-by-pin Thermal-hydraulic Feedback Modeling on Steady-state Core Characteristics," Nucl. Technol., 149, pp. 175–188, DOI (2005).
2004年
A. Yamamoto, M. Tatsumi, Y. Kitamura, Y. Yamane, "Improvement of the SPH Method for Pin-by-pin Core Calculations," J. Nucl. Sci. Technol., 41, pp. 1155–1165, DOI (2004).
A. Yamamoto, E. Sugimura, Y. Kitamura, Y. Yamane, "Simultaneous LoadingPatterns Optimization for Two Successive Cycles of Pressurized Water Reactors," J. Nucl. Sci. Technol., 41, pp. 1065–1074, DOI (2004).
A. Yamamoto, Y. Kitamura, Y. Yamane, "Approximate Treatment of Thermal Expansion Effect in Lattice Transport Calculations," J. Nucl. Sci. Technol., 41, pp. 1003–1007, DOI (2004).
A. Yamamoto, "Convergence Property of Response Matrix Method for Various Finite-Difference Formulations used in the Non-Linear Acceleration Method," Nucl. Sci. Eng., 149, pp. 259–269, DOI (2004).
A. Yamamoto, Y. Kitamura, T. Ushio, N. Sugimura, "Convergence Improvementof Coarse Mesh Rebalance Method for Neutron Transport Calculations," J. Nucl. Sci. Technol., 41, pp. 781–789, DOI (2004).
K. Kitada, T. Takeda, M. Yamasaki, M. Tatsumi, A. Yamamoto, "Sensitivity Analysis for Multiplication Factor Change ofLWR Cell Caused by the Differences between JENDL3.2 and JENDL3.3," J. Nucl. Sci. Technol., 41, pp. 163–170, DOI (2004).
A. Yamamoto, Y. Kitamura, Y. Yamane, "Computational Efficiencies of Approximated Exponential Functions for Transport Calculations of the Characteristics Method," Ann. Nucl. Energy, 31, pp. 1027–1037, DOI (2004).
A. Yamamoto, Y. Kitamura, Y. Yamane, "Cell Homogenization Methods for Pin-by-pin Core Calculations Tested in Slab Geometry," Ann. Nucl. Energy, 31, pp. 825–847, DOI (2004).
A. Yamamoto, "Acceleration of Response Matrix Method Using Cross Section Scaling," Nucl. Sci. Eng., 147, pp. 176–184, DOI (2004).
A. Yamamoto, "Analytic Derivation of the Correction Factor for the Improved Coarse Mesh Method," Ann. Nucl. Energy, 31, pp. 71–86, DOI)00215-9 (2004).
A. Yamamoto, "A Simple and Efficient Control Rod Cusping Model for Three-Dimensional Pin-By-Pin Core Calculations," Nucl. Technol., 145, pp. 11–17, DOI (2004).
