Artículo
Simultaneous measurement of neutron-induced capture and fission reactions at CERN
Autor/es | Guerrero Sánchez, Carlos
Berthoumieux, E. Cano-Ott, D. Mendoza, E. Andriamonje, S. Andrzejewski, J. Audouin, Laurent Barbagallo, M. Cortés Giraldo, Miguel Antonio Lozano Leyva, Manuel Luis Praena Rodríguez, Javier Quesada Molina, José Manuel Wright, T. |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2012 |
Fecha de depósito | 2020-04-17 |
Publicado en |
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Resumen | The measurement of the capture cross-section of fissile elements, of utmost importance for the design of innovative nuclear reactors and the management of nuclear waste, faces particular difficulties related to the γ-ray ... The measurement of the capture cross-section of fissile elements, of utmost importance for the design of innovative nuclear reactors and the management of nuclear waste, faces particular difficulties related to the γ-ray background generated in the competing fission reactions. At the CERN neutron time-of-flight facility n TOF we have combined the Total Absorption Calorimeter (TAC) capture detector with a set of three 235U loaded MicroMegas (MGAS) fission detectors for measuring simultaneously two reactions: capture and fission. The results presented here include the determination of the three detection efficiencies involved in the process: εTAC(n,f), εTAC(n,γ) andεMGAS(n,f). In the test measurement we have succeeded in measuring simultaneously with a high total efficiency the 235U capture and fission cross-sections, disentangling accurately the two types of reactions. The work presented here proves that accurate capture cross-section measurements of fissile isotopes are feasible at n TOF. |
Cita | Guerrero Sánchez, C., Berthoumieux, E., Cano-Ott, D., Mendoza, E., Andriamonje, S., Andrzejewski, J.,...,Wright, T. (2012). Simultaneous measurement of neutron-induced capture and fission reactions at CERN. European Physical Journal A, 48 (29), 1-9. |
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