Open Access
Issue
ND 2007
2007
Article Number 089
Number of page(s) 4
Section Fission studies
DOI https://doi.org/10.1051/ndata:07357
Published online 17 June 2008
International Conference on Nuclear Data for Science and Technology 2007
DOI: 10.1051/ndata:07357

Determination of minor-actinides fission cross sections by means of the surrogate reaction method

B. Jurado1, G. Kessedjian1, M. Aiche1, G. Barreau1, A. Bidaud1, S. Czajkowski1, D. Dassié1, B. Haas1, L. Mathieu1, B. Osmanov1, L. Audouin2, N. Capellán2, L. Tassan-Got2, J.N. Wilson2, E. Berthoumieux3, F. Gunsing3, Ch. Theisen3, O. Serot4, E. Bauge5, I. Ahmad6, J.P. Greene6 and R.V.F. Janssens6

1  CENBG, Univ. Bordeaux I, CNRS/IN2P3, Le Haut Vigneau, BP. 120, 33175 Gradignan, France
2  IPN, Univ. Paris-Sud, CNRS/IN2P3, 91405 Orsay, France
3  CEA Saclay, DSM/DAPNIA/SPhN, 91191 Gif-sur-Yvette Cedex, France
4  CEA Cadarache, DEN/DER/SPRC/LEPh, Bât. 230, 13108 Saint-Paul-lez-Durance, France
5  CEA, SPN, BP. 12, 91680 Bruyères-le-Châtel, France
6  Physics Division, Argonne National Laboratory, 9700 S. Cass Avenue, IL 60439, USA

jurado@cenbg.in2p3.fr

Published online: 21 May 2008

Abstract
The surrogate reaction method has been used to determine neutron-induced fission cross sections for the short-lived minor actinides 242, 243Cm and 241Am. These cross sections are highly relevant for the design of fast reactors capable of incinerating minor actinides. Our results for the fission cross section of 242Cm extend up to the onset of second-chance fission. None of the existing neutron-induced fission data for 242Cm go as high in neutron energy. The latest direct neutron-induced measurement for the 243Cm fission cross section is questioned by our results since there exist differences of more than 60% in the 0.7 to 7 MeV neutron energy range.



© CEA 2008

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