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Fission Cross-section Measurements of 233U, 245Cm and 241;243Am at CERN n_TOF Facility

Abstract : Neutron-induced fission cross-sections of minor actinides have been measured using the n_TOF white neutron source at CERN, Geneva, as part of a large experimental program aiming at collecting new data relevant for nuclear astrophysics and for the design of advanced reactor systems. The measurements at n_TOF take advantage of the innovative features of the n_TOF facility, namely the wide energy range, high instantaneous neutron flux and good energy resolution. Final results on the fission cross-section of 233U, 245Cm and 243Am from thermal to 20 MeV are here reported, together with preliminary results for 241Am. The measurement have been performed with a dedicated Fast Ionization Chamber (FIC), a fission fragment detector with a very high efficiency, relative to the very well known cross-section of 235U, measured simultaneously with the same detector.
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http://hal.in2p3.fr/in2p3-00623121
Contributor : Sophie Heurteau <>
Submitted on : Thursday, September 15, 2011 - 3:03:18 PM
Last modification on : Wednesday, September 16, 2020 - 4:07:55 PM

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M. Calviani, S. Andriamonje, E. Chiaveri, V. Vlachoudis, N. Colonna, et al.. Fission Cross-section Measurements of 233U, 245Cm and 241;243Am at CERN n_TOF Facility. Journal of the Korean Physical Society, Korean physical society, 2011, 59, pp.1912-1915. ⟨10.3938/jkps.59.1912⟩. ⟨in2p3-00623121⟩

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