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NEA Document
Statistical Tests for Diagnosing Fission Source Convergence and Undersampling in Monte Carlo Criticality Calculations
NEA/NSC/R(2021)3

Monte Carlo criticality calculations involve a two-step procedure based on a stochastic implementation of the power iteration method: first, achieve convergence of the fission source distribution dur...

Criticality safety Monte Carlo method Nuclear science Criticality WPNCS Nuclear science …
Published date: 17 February 2023
NEA Document
Investigation of Covariance Data in General Purpose Nuclear Data Libraries
NEA/NSC/R(2021)4

The understanding of nuclear physics and the associated uncertainties is essential to the modelling of all nuclear systems. Nuclear reaction probabilities, emitted particle energies and angles, fissi...

WPEC Nuclear science Nuclear data Nuclear science
Published date: 8 February 2023
NEA Document
Role of Integral Experiment Covariance Data for Criticality Safety Validation: EG UACSA Benchmark Phase IV
NEA/NSC/R(2021)1

This benchmark report has been compiled under the guidance of the NEA Working Party on Nuclear Criticality Safety (WPNCS) in the Subgroup on the Role of Integral Experiment Uncertainties and Covarian...

English UACSA Criticality safety Criticality WPNCS Nuclear science Benchmark …
Published date: 30 January 2023
NEA Document
Burnup Credit Criticality Benchmark Phase IIB: Burnup Calculations of Gadolinium-Bearing Fuel Rods in Boiling Water Reactor Assemblies for Storage and Transportation
NEA/NSC/R(2022)3

The NEA Expert Group on Used Nuclear Fuel criticality (EGUNF) organised a Phase IIB benchmark to re-examine code and nuclear data performance for BWR lattice calculations and focus on the depletion m...

Criticality safety Nuclear science WPNCS Nuclear science Benchmark …
Published date: 30 November 2022
NEA Document
Treatment of Volatile Fission Products
NEA/NSC/R(2022)4

Under the auspices of the NEA Nuclear Science Committee (NSC), the Working Party on Scientific Issues of Advanced Fuel Cycles (WPFC) was established to co-ordinate scientific activities related to ad...

Fission products Spent fuel Nuclear science Nuclear fuel cycle EGFRW Fuel cycle physics and chemistry …
Published date: 29 November 2022
NEA Document
Existing Practices for Multi-physics Validation: Report on Sub-Task 3, Task Force 2
NEA/NSC/R(2019)7

The modelling and simulation of nuclear systems allow scientists and engineers to probe aspects of the operation of these systems beyond what has been precisely measured. This has numerous applicatio...

Reactor physics Nuclear science WPRS Multiphysics Nuclear science Benchmark Reactor physics Multiphysics EGMUP …
Published date: 11 October 2022
NEA Document
Actinide and Fission Product Partitioning and Transmutation: Workshop Proceedings of the Fifteenth Exchange Meeting Manchester, United Kingdom, 30 September – 3 October 2018
NEA/NSC/R(2020)4

Advanced nuclear fuel cycles to improve the safety, sustainability and economics of nuclear energy are being investigated worldwide. Partitioning and transmutation (P&T) is one of the candidate techn...

Nuclear science Fission products Actinides Nuclear science Nuclear fuel cycle …
Published date: 11 October 2022
NEA Document
Subgroup 27: Prompt Photon Production from Fission Products
NEA/NSC/R(2020)8

The following report is issued by the WPEC Subgroup 27, which builds upon the work of the previous Subgroups 21 and 23, critically reviewing the gamma emission data and providing recommendations to i...

WPEC Fission products Nuclear data Nuclear science
Published date: 1 February 2022
Publications and Reports
The Strategic Plan of the Nuclear Energy Agency 2023-2028

The OECD Nuclear Energy Agency (NEA) Strategic Plan serves as a guiding instrument that reflects the priorities of its member countries as the Agency addresses evolving needs in the exploration and a...

English Nuclear law Human aspects of nuclear safety Nuclear law Radiological protection Nuclear science Nuclear safety Nuclear economics Nuclear technology Decommissioning and legacy management Nuclear decommissioning Radioactive waste management Nuclear safety research Safety Data Bank Nuclear science Nuclear safety regulation Nuclear economics …
Published date: 25 January 2022
NEA Document
Shielding Aspects of Accelerators, Targets and Irradiation Facilities (SATIF-14)
NEA/NSC/R(2021)2

Proceedings of the Fourteenth Workshop, 30 October-2 November 2018, Gyeongju, Korea.

English Nuclear science Radiation shielding WPRS Proceedings Reactor physics Reactor physics NSC EGPRS Nuclear science …
Published date: 16 December 2021