Measurement of the240Pu(n,f) cross-section at the CERN n-TOF facility: First results from EAR-2
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The accurate knowledge of neutron cross-sections of a variety of plutonium isotopes and other minor actinides, such as neptunium, americium and curium, is crucial for feasibility and performance studies of advanced nuclear systems (Generation-IV reactors, Accelerator Driven Systems). In this context, the240Pu(n,f) cross-section was measured with the time-of-flight technique at the CERN n-TOF facility at incident neutron energies ranging from thermal to several MeV. The present measurement is the first to have been performed at n-TOF's newly commissioned Experimental Area II (EAR-2), which is located at the end of an 18 m neutron beam-line and features a neutron fluence that is 25-30 times higher with respect to the existing 185 m flight-path (EAR-1), as well as stronger suppression of sample-induced backgrounds, due to the shorter times-of-flight involved. Preliminary results are presented. © 2015, CERN. All rights reserved.
CitacióTsinganis, A., Stamatopoulos, A., Colonna, N., Vlastou, R., Barbagallo, M., Berthoumieux, E., Calviani, M., Andrzejewski, J., Audouin, L., Bécares , V., Bosnar, D., Brugger, M., Caamaño, M., Calviño, F., Cortes, G. Measurement of the240Pu(n,f) cross-section at the CERN n-TOF facility: First results from EAR-2. A: International Conference on Nuclear Reaction Mechanisms. "Proceedings of the 14th International Conference on Nuclear Reaction Mechanisms". varenna: 2015, p. 23-28.