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    News
    Furthering progress on nuclear data evaluation

    The NEA Working Party on International Nuclear Data Evaluation Co-operation (WPEC) had its 37th annual meeting this June in Brussels, Belgium, hosted by the European Commission’s Joint Research Centr...

    News brief WPEC Measurement NSC Nuclear data Nuclear science …
    Published date: 23 June 2025
    Event
    37th Meeting of the Working Party on International Nuclear Data Evaluation Co-operation (WPEC)
    2 - 6 June 2025
    Joint Research Centre, European Commission (The One building, rue de la loi 107, Brussels, Belgium), remote access will be available

    The Working Party on International Nuclear Data Evaluation Co-operation (WPEC) was established to promote the exchange of information on nuclear data evaluations, measurements, nuclear model calculat...

    WPEC Nuclear science
    Published date: 7 May 2025
    NEA Working Paper
    Automated Conversion of International Criticality Safety Benchmark Models: Developing a Reproducible Serpent-2 Model Repository from MCNP Inputs
    NEA/WKP(2024)5

    The Serpent-2 software is a three-dimensional continuous-energy neutron and photon transport code, developed at the Technical Research Centre of Finland (VTT) (Leppänen, 2015), and is one of the most...

    WPEC Nuclear science Validation Nuclear data processing
    Published date: 7 November 2024
    Publications and Reports
    Specifications for the Generalised Nuclear Database Structure Version 2.0

    10.1787/5f05e3db-en

    Knowledge of basic nuclear physics data is essential for the modelling and safe operation of all types of nuclear facilities. The de facto international standard format, Evaluated...

    English WPEC Nuclear science Nuclear science Nuclear data processing …
    Published date: 22 March 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
    Activity
    WPEC Expert Group on the High Priority Request List (EGHPRL) for Nuclear Data

    The expert group is responsible for managing the activities related to the High Priority Request List (HPRL) for nuclear data, in particular for guaranteeing that the entries are up-to-date and well-...

    WPEC Measurement NSC Nuclear science Nuclear data …
    Published date: 20 September 2022
    Activity
    WPEC Expert Group on the Recommended Definition of a General Nuclear Database Structure (EGGNDS)

    The expert group was established to develop a nuclear data structure definition that can meet the needs of a broad set of nuclear data users and providers.

    WPEC NSC Nuclear science Nuclear data
    Published date: 20 September 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
    News
    Nuclear data evaluation co-operation

    The NEA facilitates the international exchange of information on nuclear data evaluations, measurements, nuclear model calculations, validation and related topics via its Working Party on Internation...

    News brief Nuclear energy data WPEC
    Published date: 26 May 2021
    Activity
    Expert Group on Integral Experiments for Minor Actinide Management (EGIEMAM)

    The expert group critically reviewed integral experiments for validating minor actinide (MA) nuclear data, recommended additional integral experiments needed for validating MA nuclear data and invest...

    WPFC WPEC Nuclear science Experiments Actinides WPRS Reactor physics Integral experiments Minor actinides NSC Nuclear fuel cycle Fuel cycle physics and chemistry …
    Published date: 5 March 2021
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