Title: (n,xnγ) cross sections on actinides versus reaction code calculations
Authors: KERVENO M.BACQUIAS A.BELLONI FRANCESCABORCEA CCAPOTE R.DESSAGNE P.DUPUIS M.HENNING G.HILAIRE S.KAWANO T.NANKOV N.NEGRET A.NYMAN MARKUSPARTY E.PLOMPEN ARJANROMAIN P.ROUKI C.RUDOLF GSTANOIU M.
Citation: EPJ Web of Conferences vol. 146 p. 11012
Publisher: EDP Sciences
Publication Year: 2017
JRC N°: JRC109770
ISSN: 2100 014X
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC109770
DOI: 10.1051/epjconf/201714611012
Type: Articles in periodicals and books
Abstract: The experimental setup GRAPhEME (GeRmanium array for Actinides PrEcise MEasurements) has been used at GELINA (EC-JRC, Geel, Belgium) to perform (n,xn γ) cross sections measurements. GRAPhEME has been especially designed to take into account the specific difficulties generated by the use of actinides samples. This work takes place in the context of new nuclear data measurements for nuclear reactor applications. Considering the very tight accuracy requested for new experimental data, special care has been paid to quantify as accurately as possible all the uncertainties from the instruments and the analysis procedure. From the precise (n,xn γ) cross sections produced with GRAPhEME, the use of model calculations is required to obtain (n,xn) cross sections. Beyond the measurements, extensive work on theoretical models is necessary to achieve a better evaluation of the (n,xn) processes. In this paper, we will discuss the final step of the 238U data analysis and present some recent results obtained on 232Th compared to TALYS modellings. A new measurement campaign on 233U has started recently, a first assessment of the recorded data will be presented.
JRC Directorate:Nuclear Safety and Security

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