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Absolute cross section measurements of neutron-induced fission of Pu-242 from 1 to 2.5 MeV.

Matei, C; Belloni, F*; Heyse, J*; Plompen, A J M*; Thomas, D J (2017) Absolute cross section measurements of neutron-induced fission of Pu-242 from 1 to 2.5 MeV. Phys. Rev. C, 95 (2). 024606

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Abstract

The absolute neutron-induced fission cross section of 242Pu was measured at five energies between 1 and 2.5 MeV at the low-scatter neutron measurement facility of the National Physical Laboratory, UK. The measurements are part of an e ort to reduce uncertainties of nuclear data related to fast spectrum reactors. The neutron-induced fission results are in good agreement with the Evaluated Nuclear Data File/B-VII.1 but disagree with several recent measurements near the resonance-like structure around 1.1 MeV. Within the same experimental campaign, the spontaneous fission half-life of 242Pu was measured and it is in good agreement with previous results.

Item Type: Article
Keywords: Fission cross sections
Subjects: Ionising Radiation
Ionising Radiation > Neutron Metrology
Divisions: Chemical, Medical & Environmental Science
Identification number/DOI: 10.1103/PhysRevC.95.024606
Last Modified: 09 Feb 2018 13:52
URI: http://eprintspublications.npl.co.uk/id/eprint/7430

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