Fission Cross-Section Measurements On (233)U And Minor Actinides At The CERN n_TOF Facility

Calviani, M., Colonna, N., Abbondanno, U., Aerts, G., Alvarez, H., Alvarez-Velarde, F., Andriamonje, S., Andrzejewski, J., Assimakopoulos, P., Audouin, L., Badurek, G., Baumann, P., Becvar, F., Belloni, F., Berthoumieux, E., Calvino, F., Cano-Ott, D., Capote, R., Carrapico, C., Cennini, P., Chepel, V., Chiaveri, E., Cortes, G., Couture, A., Cox, J., Dahlfors, M., David, S., Dillmann, I., Domingo-Pardo, C., Dridi, W., Duran, I., Eleftheriadis, C., Embid-Segura, M., Ferrant, L., Ferrari, A., Ferreira-Marques, R., Fujii, K., Furman, W., Goncalves, I., Gonzalez-Romero, E., Goverdovski, A., Gramegna, F., Guerrero, C., Gunsing, F., Haas, B., Haight, R., Heil, M., Herrera-Martinez, A., Igashira, M., Rauscher, T. and N TOF Collaboration (2009) Fission Cross-Section Measurements On (233)U And Minor Actinides At The CERN n_TOF Facility. American Institute of Physics (AIP).
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Neutron-induced fission cross-sections of minor actinides have been measured at the white neutron source n_TOF at CERN, Geneva. The studied isotopes include (233)U, interesting for Th/U based nuclear fuel cycles, (241,243)Am and (245)Cm, relevant for transmutation and waste reduction studies in new generation fast reactors (Gen-IV) or Accelerator Driven Systems. The measurements take advantage of the unique features of the n_TOF facility, namely the wide energy range, the high instantaneous neutron flux and the low background. Results for the involved isotopes are reported from similar to 30 meV to around 1 MeV neutron enegy. The measurements have been performed with a dedicated Fission Ionization Chamber (FIC), relative to the standard cross-section of the (235)U fission reaction, measured simultaneously with the same detector. Results are here reported.
Item Type Other
Keywords Neutron cross-section; level density; neutron-induced fission reactions; Th/U fuel cycle; n_TOF
Date Deposited 29 May 2025 09:13
Last Modified 29 May 2025 09:13

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