Title: Distribution of Prompt Neutron Emission Probability for Fission Fragments in Spontaneous Fission of 252Cf and 244,248Cm
Authors: VOROBYEV A.s.DUSHIN V.n.HAMBSCH FRANZ-JOSEFJAKOVLEV V.a.KALININ V.a.LAPTEV A.b.PETROV B.f.SHCHERBAKOV O.a.
Citation: AIP Conference Proceedings ND 2004 vol. 769 p. 613-616
Publisher: American Institute of Physics
Publication Year: 2005
JRC Publication N°: JRC34237
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC34237
Type: Contributions to Conferences
Abstract: Neutrons emitted in fission events were measured separately for each complementary fragment in correlation with fission fragment energies. Two high-efficiency Gd-loaded liquid scintillator tanks were used for neutron registration. Fission fragment energies were measured using a twin Frisch gridded ionization chamber with a pinhole collimator. The neutron multiplicity distributions were obtained for each value of the fission fragment mass and energy and corrected for neutron registration efficiency, background, and pile-up. The dependency of these distributions on fragment mass and energy for different energy and mass bins as well as mass and energy distribution of fission fragments are presented and discussed.
JRC Institute:Institute for Reference Materials and Measurements

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