Improving nuclear data accuracy of 241Am and 237Np capture cross sections

G. Ž Erovnik 1 P. Schillebeeckx 1 D. Cano-Ott 2 M. Jandel 3 J.-I. Hori 4 A. Kimura 5 M. Rossbach 6 A. Letourneau 7 G. Noguere 8 P. Leconte 8 T. Sano 5 M.A. Kellett 9 O. Iwamoto 5 A.V. Ignatyuk 10 O. Cabellos 11 C. Genreith 12 H. Harada 5
1 JRC - European Commission - Joint Research Centre [Geel]
2 CIEMAT - Centro de Investigaciones Energéticas Medioambientales y Tecnológicas [Madrid]
3 LANL - Los Alamos National Laboratory
4 Kyoto Univ, Inst Res Reactor, Kumatori, Osaka 5900494, Japan
5 Japan Atomic Energy Agency
6 Forschungszentrum Juelich GmbH
7 DPHN - Département de Physique Nucléaire (ex SPhN)
8 DER - Département Etude des Réacteurs
9 LNHB - Laboratoire National Henri Becquerel
DM2I - Département Métrologie Instrumentation & Information : DRT/LIST/DM2I
10 Institute of Physics and Power Engineering
11 OCDE - Organisation de Coopération et de Développement Economiques
12 MLZ - Heinz Maier-Leibnitz Zentrum
Abstract : In the framework of the OECD/NEA WPEC subgroup 41, ways to improve neutron induced capture cross sections for 241Am and 237Np are being sought. Decay data, energy dependent cross section data and neutron spectrum averaged data are important for that purpose and were investigated. New time-of-flight measurements were performed and analyzed, and considerable effort was put into development of methods for analysis of spectrum averaged data and re-analysis of existing experimental data.
Keywords : Am-241 Np-237 time-of-flight measurement spectrum analysis Decay data neutron spectrum neutron capture cross section
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Conference papers
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https://hal-cea.archives-ouvertes.fr/cea-01823482
Contributor : Léna Le Roy <>
Submitted on : Tuesday, June 26, 2018 - 9:55:36 AM
Last modification on : Wednesday, September 4, 2019 - 1:40:15 PM

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G. Ž Erovnik, P. Schillebeeckx, D. Cano-Ott, M. Jandel, J.-I. Hori, et al.. Improving nuclear data accuracy of 241Am and 237Np capture cross sections. ND 2016: International Conference on Nuclear Data for Science and Technology, Sep 2016, Bruges, Belgium. pp.11035, ⟨10.1051/epjconf/201714611035⟩. ⟨cea-01823482⟩

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