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8-GROUP RELATIVE DELAYED NEUTRON YIELDS FOR EPITHERMAL NEUTRON INDUCED FISSION OF U-235 AND Pu-239
Authors & Affiliations
Piksaikin V.M., Kazakov L.E., Isaev S.G., Korolev G.G., Roshchenko V.A., Tertychnyj R.G.
State Scientific Centre - A.I. Leipunsky Institute for Physics and Power Engineering, Obninsk, Russia
An 8-group representation of relative delayed neutron yields was obtained for epithermal neutron induced fission of 235U and 239Pu. These data were compared with ENDF/B-VI data in terms of the average half-life of the delayed neutron precursors and on the basis of the dependence of reactivity on the asymptotic period.
epithermal neutron, delayed neutron, Pu-239, U-235, half-life, averaging group parameters, delayed neutron precursors
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