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Measurement of the 241Am neutron capture cross section at the n_TOF facility at CERN

Mendoza, E. and Cano-Ott, D. and Altstadt, S. and Andriamonje, S. and Andrzejewski, J. and Audouin, L. and Balibrea, J. and Bécares, V. and Barbagallo, M. and Bečvář, F. and Belloni, F. and Berthier, B. and Berthoumieux, E. and Billowes, J. and Boccone, V. and Bosnar, D. and Brugger, M. and Calviño, F. and Calviani, M. and Carrapiço, C. and Cerutti, F. and Chiaveri, E. and Chin, M. and Colonna, N. and Cortés, G. and Cortés-Giraldo, M. A. and Diakaki, M. and Dillmann, I. and Domingo-Pardo, C. and Durán, I. and Dzysiuk, N. and Eleftheriadis, C. and Fernández-Ordóñez, M. and Ferrari, A. and Fraval, K. and Furman, V. and Gómez-Hornillos, M. B. and Ganesan, S. and García, A. R. and Giubrone, G. and Gonçalves, I. F. and González, E. and Goverdovski, A. and Gramegna, F. and Griesmayer, E. and Guerrero, C. and Gunsing, F. and Gurusamy, P. and Heftrich, T. and Heinitz, S. and Hernández-Prieto, A. and Heyse, J. and Jenkins, D. G. and Jericha, E. and Käppeler, F. and Kadi, Y. and Karadimos, D. and Katabuchi, T. and Ketlerov, V. and Khryachkov, V. and Koehler, P. and Kokkoris, M. and Kroll, J. and Krtička, M. and Lampoudis, C. and Langer, C. and Leal-Cidoncha, E. and Lederer, C. and Leeb, H. and Leong, L. S. and Lerendegui-Marco, J. and Licata, M. and Losito, R. and Manousos, A. and Marganiec, J. and Martínez, T. and Massimi, C. and Mastinu, P. and Mastromarco, M. and Mengoni, A. and Milazzo, P. M. and Mingrone, F. and Mirea, M. and Mondelaers, W. and Paradela, C. and Pavlik, A. and Perkowski, J. and Plompen, A. J. M. and Praena, J. and Quesada, J. M. and Rauscher, T. and Reifarth, R. and Riego-Perez, A. and Robles, M. and Roman, F. and Rubbia, C. and Ryan, J. A. and Sabaté-Gilarte, M. and Sarmento, R. and Saxena, A. and Schillebeeckx, P. and Schmidt, S. and Schumann, D. and Sedyshev, P. and Tagliente, G. and Tain, J. L. and Tarifeño-Saldivia, A. and Tarrío, D. and Tassan-Got, L. and Tsinganis, A. and Valenta, S. and Vannini, G. and Variale, V. and Vaz, P. and Ventura, A. and Vermeulen, M. J. and Versaci, R. and Vlachoudis, V. and Vlastou, R. and Wallner, A. and Ware, T. and Weigand, M. and Weiss, C. and Wright, T. and Žugec, P.. (2017) Measurement of the 241Am neutron capture cross section at the n_TOF facility at CERN. In: EPJ Web of Conferences, 146. p. 4.

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Abstract

New neutron cross section measurements of minor actinides have been performed recently in order to reduce the uncertainties in the evaluated data, which is important for the design of advanced nuclear reactors and, in particular, for determining their performance in the transmutation of nuclear waste. We have measured the 241Am(n,γ) cross section at the n_TOF facility between 0.2 eV and 10 keV with a BaF2 Total Absorption Calorimeter, and the analysis of the measurement has been recently concluded. Our results are in reasonable agreement below 20 eV with the ones published by C. Lampoudis et al. in 2013, who reported a 22% larger capture cross section up to 110 eV compared to experimental and evaluated data published before. Our results also indicate that the 241Am(n,γ) cross section is underestimated in the present evaluated libraries between 20 eV and 2 keV by 25%, on average, and up to 35% for certain evaluations and energy ranges.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik Astrophysik (Thielemann)
UniBasel Contributors:Rauscher, Thomas
Item Type:Conference or Workshop Item, refereed
Conference or workshop item Subtype:Conference Paper
Publisher:EDP Sciences
e-ISSN:2100-014X
Note:Publication type according to Uni Basel Research Database: Conference paper
Language:English
Identification Number:
Last Modified:31 Jan 2018 13:30
Deposited On:31 Jan 2018 13:30

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