Measurement of the 240Pu(n,f) cross-section at the CERN n-TOF facility: First results from experimental area II (EAR-2)

A. Stamatopoulos, A. Tsinganis, N. Colonna, R. Vlastou, M. Kokkoris, P. Schillebeeckx, A. Plompen, J. Heyse, P. Ugec, M. Barbagallo, M. Calviani, E. Berthoumieux, E. Chiaveri, O. Aberle, J. Andrzejewski, L. Audouin, V. Bécares, M. Bacak, J. Balibrea, S. BarrosF. Bečvář, C. Beinrucker, F. Belloni, J. Billowes, V. Boccone, D. Bosnar, M. Brugger, M. Caamaño, F. Calviño, D. Cano-Ott, F. Cerutti, G. Cortés, M. A. Cortés-Giraldo, L. Cosentino, L. A. Damone, K. Deo, M. Diakaki, C. Domingo-Pardo, R. Dressler, E. Dupont, I. Durán, B. Fernández-Domínguez, A. Ferrari, P. Ferreira, P. Finocchiaro, R. J.W. Frost, V. Furman, K. Göbel, M. B. Gómez-Hornillos, A. R. García, I. Gheorghe, T. Glodariu, I. F. Gonçalves, E. González, A. Goverdovski, E. Griesmayer, C. Guerrero, F. Gunsing, H. Harada, T. Heftrich, S. Heinitz, A. Hernández-Prieto, D. G. Jenkins, E. Jericha, F. Käppeler, Y. Kadi, T. Katabuchi, P. Kavrigin, V. Ketlerov, V. Khryachkov, A. Kimura, N. Kivel, M. Krtička, E. Leal-Cidoncha, C. Lederer, H. Leeb, J. Lerendegui-Marco, M. Licata, S. Lo Meo, R. Losito, D. Macina, J. Marganiec, T. Martínez, C. Massimi, P. Mastinu, M. Mastromarco, F. Matteucci, E. Mendoza, A. Mengoni, P. M. Milazzo, F. Mingrone, M. Mirea, S. Montesano, A. Musumarra, R. Nolte, F. R. Palomo-Pinto, C. Paradela, N. Patronis, A. Pavlik, J. Perkowski, J. I. Porras, J. Praena, J. M. Quesada, T. Rauscher, R. Reifarth, A. Riego-Perez, M. Robles, C. Rubbia, J. A. Ryan, M. Sabaté-Gilarte, A. Saxena, S. Schmidt, D. Schumann, P. Sedyshev, A. G. Smith, S. V. Suryanarayana, G. Tagliente, J. L. Tain, A. Tarifeño-Saldivia, L. Tassan-Got, S. Valenta, G. Vannini, V. Variale, P. Vaz, A. Ventura, V. Vlachoudis, A. Wallner, S. Warren, M. Weigand, C. Weiss, T. Wright

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Abstract

The accurate knowledge of the neutron-induced fission cross-sections of actinides and other isotopes involved in the nuclear fuel cycle is essential for the design of advanced nuclear systems, such as Generation-IV nuclear reactors. Such experimental data can also provide the necessary feedback for the adjustment of nuclear model parameters used in the evaluation process, resulting in the further development of nuclear fission models. In the present work, the 240Pu(n,f) cross-section was measured at CERN's n-TOF facility relative to the well-known 235U(n,f) cross section, over a wide range of neutron energies, from meV to almost MeV, using the time-of-flight technique and a set-up based on Micromegas detectors. This measurement was the first experiment to be performed at n-TOF's new experimental area (EAR-2), which offers a significantly higher neutron flux compared to the already existing experimental area (EAR-1). Preliminary results as well as the experimental procedure, including a description of the facility and the data handling and analysis, are presented.

Original languageEnglish
Title of host publicationND 2016
Subtitle of host publicationInternational Conference on Nuclear Data for Science and Technology
PublisherEDP Sciences
Volume146
ISBN (Electronic)9782759890200
DOIs
Publication statusPublished - 13 Sept 2017
Event2016 International Conference on Nuclear Data for Science and Technology, ND 2016 - Bruges, Belgium
Duration: 11 Sept 201616 Sept 2016

Conference

Conference2016 International Conference on Nuclear Data for Science and Technology, ND 2016
Country/TerritoryBelgium
CityBruges
Period11/09/1616/09/16

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