Title: Absolute Ratio 252Cf to 235U Prompt Fission Neutron Spectra - Letter to the Editor
Authors: KORNILOV N.HAMBSCH Franz-Josef
Citation: NUCLEAR SCIENCE AND ENGINEERING vol. 168 no. 1 p. 73-74
Publisher: AMER NUCLEAR SOC
Publication Year: 2011
JRC Publication N°: JRC61670
ISSN: 0029-5639
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC61670
Type: Articles in Journals
Abstract: The Prompt Fission Neutron Spectrum (PFNS) of 235U is a very important parameter from the point of view of practical applications and the understanding of the mechanism of the fission process and neutron emission in fission. The problem of differences between microscopic and macroscopic data is not solved until now (see e.g. the discussion in Ref. [1]). New experimental results have been published recently [1]. The PFNS were measured by three liquid scintillation neutron detectors. The efficiencies of these detectors were measured relative to a 252Cf standard neutron spectrum. After proper corrections, the spectra for each detector were normalized to unity. The spectra and neutron multiplicity were in good agreement with each detectors and previous experiments.
JRC Institute:Institute for Reference Materials and Measurements

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