| Issue |
EPJ Web of Conferences
Volume 111, 2016
WONDER-2015 – 4th International Workshop On Nuclear Data Evaluation for Reactor applications
|
|
|---|---|---|
| Article Number | 05001 | |
| Number of page(s) | 6 | |
| Section | Emission of Prompt Fission Neutron and Gamma | |
| DOI | https://doi.org/10.1051/epjconf/201611105001 | |
| Published online | 15 March 2016 | |
https://doi.org/10.1051/epjconf/201611105001
Investigating Prompt Fission Neutron Emission from 235U(n,f) in the Resolved Resonance Region
European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Retieseweg 111, B-2440, Geel, Belgium
a e-mail: alf.gook@ec.europa.eu
b e-mail: franz-josef.hambsch@ec.europa.eu
Published online: 15 March 2016
Investigations of prompt emission in fission is of importance in understanding the fission process in general and the sharing of excitation energy among the fission fragments in particular. Experimental activities at IRMM on prompt neutron emission from fission in response to OECD/NEA nuclear data requests is presented in this contribution. Main focus lies on currently on-going investigations of prompt neutron emission from the reaction 235U(n,f) in the region of the resolved resonances. For this reaction strong fluctuations of fission fragment mass distributions and mean total kinetic energy have been observed [Nucl. Phys. A 491, 56 (1989)] as a function of incident neutron energy in the resonance region. In addition fluctuations of prompt neutron multiplicities were also observed [Phys. Rev. C 13, 195 (1976)]. The goal of the present study is to verify the current knowledge of prompt neutron multiplicity fluctuations and to study correlations with fission fragment properties.
© Owned by the authors, published by EDP Sciences, 2016
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