Title: Prompt particle emission in fission – news on systematics and predictions for fission induced by fast neutrons
Authors: OBERSTEDT A.OBERSTEDT STEPHAN
Citation: EPJ Web of Conferences vol. 146 p. 04005
Publisher: EDP Sciences
Publication Year: 2017
JRC N°: JRC104075
ISSN: 2100 014X
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC104075
DOI: 10.1051/epjconf/201714604005
Type: Articles in periodicals and books
Abstract: As a consequence of recent experimental results, previously established systematics for prompt fission gamma-ray spectra (PFGS) characteristics as function of both atomic and mass number of the compound system have been revised. Although based on purely empirical dependences, it allows estimating average gamma-ray multiplicity, mean and total photon energy in cases, where the target nuclei are either not available or not accessible experimentally. Based on this systematics, we show in this paper that PFGS characteristics may also be predicted for fission induced by fast neutrons. Our calculations were performed for the target nuclei 238U, 235U and 239Pu in the neutron energy range from 0 to 20 MeV, and the results are compared to existing experimental and theoretical values.
JRC Directorate:Nuclear Safety and Security

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