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|Title:||Working Party on International Nuclear Data Evaluation Cooperation (WPEC)|
|Authors:||DUPONT E.; CHADWICK M. B.; DANON Y.; DE SAINT JEAN C.; DUNN M.; FISCHER U.; FORREST R. A.; FUKAHORI T.; GE Z.; HARADA Hiroshi; HERMAN M.; IGASHIRA M; IGNATYUK A.; ISHIKAWA M.; IWAMOTO O.; JACQMIN R.; KAHLER A.; KAWANO T.; KONING A. J.; LEAL L. C.; LEE Y. O.; MCKNIGHT R.; MCNABB D.; MILLS R.w.; PALMIOTTI G.; PLOMPEN Arjan; SALVATORES M.; SCHILLEBEECKX Peter|
|Citation:||NUCLEAR DATA SHEETS vol. 120 p. 264-267|
|Publisher:||ACADEMIC PRESS INC ELSEVIER SCIENCE|
|Type:||Articles in periodicals and books|
|Abstract:||The OECD Nuclear Energy Agency (NEA) organizes cooperation between the major nuclear data evaluation projects in the world. The NEA Working Party on International Nuclear Data Evaluation Cooperation (WPEC) was established to promote the exchange of information on nuclear data evaluation, measurement, nuclear model calculation, validation, and related topics, and to provide a framework for cooperative activities between the participating projects. The working party assesses nuclear data improvement needs and addresses these needs by initiating joint activities in the framework of dedicated WPEC subgroups. Studies recently completed comprise a number of works related to nuclear data covariance and associated processing issues, as well as more specific studies related to the resonance parameter representation in the unresolved resonance region, the gamma production from fission product capture reactions, the 235U capture cross section, the EXFOR database, and the improvement of nuclear data for advanced reactor systems. Ongoing activities focus on the evaluation of 239Pu in the resonance region, scattering angular distribution in the fast energy range, and reporting/usage of experimental data for evaluation in the resolved resonance region. New activities include two subgroups on improved fission product yield evaluation methodologies and on modern nuclear database structures. Future activities under discussion include a pilot project for a Collaborative International Evaluated Library Organization (CIELO) and methods to provide feedback from nuclear and covariance data adjustment for improvement of nuclear data. In addition to the above mentioned short-term task-oriented subgroups, WPEC also hosts a longer-term subgroup charged with reviewing and compiling the most important nuclear data requirements in a high priority request list (HPRL).|
|JRC Directorate:||Health, Consumers and Reference Materials|
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