Title: Prompt fission γ-ray spectra characteristics - a first summary
Authors: OBERSTEDT StephanBILLNERT ROBERTGATERA ANGELIQUEGEERTS WouterHALIPRE P.HAMBSCH Franz-JosefLEBOIS M.OBERSTEDT AndreasMARINI P.VIDALI MarzioWILSON J. N.
Citation: PHYSICS PROCEDIA vol. 64 p. 83-90
Publisher: ELSEVIER BV
Publication Year: 2015
JRC N°: JRC105030
ISSN: 1875-3892
URI: http://www.sciencedirect.com/science/article/pii/S1875389215001273
http://publications.jrc.ec.europa.eu/repository/handle/JRC105030
DOI: 10.1016/j.phpro.2015.04.011
Type: Articles in periodicals and books
Abstract: In this work we give an overview of our investigations of prompt γ-ray emission in nuclear fission. This work was conducted during the last five years in response to a high priority nuclear data request formulated by the OECD/NEA. The aim was to reveal data deficiencies responsible for a severe under-prediction of the prompt γ heating in nuclear reactor cores. We obtained new prompt fission γ-ray spectral (PFGS) data for 252Cf(SF) as well as for thermal-neutron induced fission on 235U(nth,f) and 241Pu(nth,f). In addition, first PFGS measurements with a fast-neutron beam were accomplished, too. The impact of the new data and future data needs are discussed.
JRC Directorate:Nuclear Safety and Security

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