Title: Quasi-Absolute Neutron-Induced Fission Cross Section of 243Am
Authors: AÏCHE M.KESSEDJIAN G.BARREAU G.JURADO B.BIDAUD A.CZAJKOWSKI S.DASSIÉ D.HAAS B.MATHIEU L.TASSAN-GOT L.WILSON J.HAMBSCH Franz-JosefOBERSTEDT StephanALMAHAMID I.FLOYD J.LUKENS W.SHUH D.
Citation: Proceedings of the ND 2007 International Conference on Nuclear Data for Science and Technology vol. 1 p. 483-485
Publisher: EDP Sciences
Publication Year: 2008
JRC N°: JRC47323
URI: http://nd2007.edpsciences.org/
http://publications.jrc.ec.europa.eu/repository/handle/JRC47323
DOI: 10.1051/ndata:07473
Type: Contributions to Conferences
Abstract: The existing evaluations of the 243Am neutron-induced fission cross section have been questioned by recent studies performed at the GNEISS facility. In the neutron energy range from 1 to 6 MeV the GNEISS data present deviations of more than 15% with respect to the evaluations. In order to solve this problem, we have performed a first quasi-absolute measurement of this fission cross section from the fission threshold up to the onset of secondchance fission. To achieve this goal we have used the neutron-proton scattering cross section as reference reaction to determine the incident neutron flux. This cross section is known with a precision better than 1% for a wide range of neutron energies (1meV to 20 MeV).
JRC Institute:Institute for Reference Materials and Measurements

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