THE ATLAS OF NEUTRON NUCLEAR CROSS SECTIONS FOR ACTINIDES (PREPRINT IBRAE-2008-04)

Preprint IBRAE-2008-04

Vasilev A.D., Krylov S.F., Pakhomov Е.Р., Popkov A.G., Strizhov V.F., Filippov A.S., Chudanov V.V. 

In this paper results of intercomparison of nuclear neutron cross sections for actinides from different evaluated nuclear data libraries such as BROND-2.2(3) (Russia), ENDF/B-VI.8 and ENDF/B-VII.0 (USA), JENDL-3.3 (Japan), JEFF-3.1 (the Western Europe) are presented. It is shown, that the differences existing between nuclear data from BROND-2.2(3), ENDF/B-VI.8, ENDF/B-VII.0, JENDL-3.3, JEFF-3.1 libraries are outside the required accuracies on knowledge of the evaluated neutron data as for fuel elements, and, in a greater measure, for minor actinides. In the first part of this paper the list of isotopes of actinides with analyzed nuclear reactions and appropriate explanations of such choice are resulted. In the second part of the paper the neutron cross-sections curves are presented from different evaluated nuclear data libraries in the nuclear energy field from 0 to 20 Mev. 

Bibliographical reference

The atlas of neutron nuclear cross sections for actinides. / Blokhin A.I., Mitenkova E.F., Blokhin D.A., Buleeva N.N., Manokhin V.N., Sipachev I.V. — / Moscow: Nuclear Safety Institute RAS, September 2008, № IBRAE-2008-04. — Part 1. The description of recommended neutron cross-sections for actinides. — 20 p. — Part 2. The neutron neutron cross-sections curves for actinides. — 94 p.  — Refs.: 11 items.