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First results of the 241 Am(n,f) cross section measurement at the Experimental Area 2 of the n_TOF facility at CERN

Eleme, Z. ; Patronis, N. ; Tsinganis, A. ; Kokkoris, M. ; Michalopoulou, V. ; Diakaki, M. ; Vlastou, R. ; Tassan-Got, L ; Colonna, N. ; Heyse, J. ; Mastromarco, M. ; Macina, D. ; Chiaveri, E. ; Aberle, O. ; Alcayne, V. ; Amaducci, S. ; Andrzejewski, J. ; Audouin, L. ; Babiano-Suarez, V ; Bosnar, D. ; Brown, A. S. ; Busso, M. ; Caamaño, M. ; Caballero, L. ; Calviani, M. ; Calviño, F. ; Casanovas, A. ; Cortés, G. P. ; Cortés-Giraldo, M. A. ; Cosentino, L. ; Damone, L. A. ; Davies, P. J. ; Dietz, M. ; Ducasse, Q. ; Dupont, E. ; Durán, I. ; Ferrari, A. ; Ferro-Gonçalves, I. ; Garg, R. ; Gawlik, A. ; Gilardoni, S. ; Guerrero, C. ; Gunsing, F. ; Jenkins, D. G. ; Jericha, E. ; Jiri, U. ; Junghans, A. ; Kadi, Y. ; Kimura, A. ; Knapová, I. ; Kopatch, Y. ; Krticˇka, M. ; Kurtulgil, D. ; Ladarescu, I. ; Lerendegui-Marco, J ; Lonsdale, S. J. ; Manna, A. ; Martínez, T. ; Masi, A. ; Massimi, C. ; Mastinu, P. F. ; Maugeri, E. ; Mazzone, A. ; Mengoni, A. ; Milazzo, P. M. ; Millán-Callado, M. A. ; Mingrone, F. ; Moreno-Soto, J ; Musumarra, A. ; Negret, A. ; Ogállar, F. ; Oprea, A. ; Pavlik, A. ; Petrone, C. ; Piersanti, L. ; Pirovano, E. ; Porras, I. ; Praena, J. ; Quesada, J. M. ; Reifarth, R. ; Rubbia, C. ; Sabaté-Gilarte, M. ; Saxena, A. ; Schillebeeckx, P. ; Smith, A. G. ; Sosnin, N. ; Sprung, P. ; Tarifeño-Saldivia, A. E. ; Torres-Sánchez, P. ; Urlass, S. ; Valenta, S. ; Vannini, G. ; Variale, V. ; Vaz, P. ; Ventura, A. ; Vlachoudis, V. ; Wallner, A. ; Woods, P. J. ; Wright, T. J. ; Žugec, P. Chen, Y. ; Ge, Z. ; Shu, N. ; Wang, W. ; Zhang, H.

EPJ Web of conferences, 2020, Vol.239, p.5014 [Revista revisada por pares]

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First results of the 241 Am(n,f) cross section measurement at the Experimental Area 2 of the n_TOF facility at CERN
Autor: Eleme, Z. ; Patronis, N. ; Tsinganis, A. ; Kokkoris, M. ; Michalopoulou, V. ; Diakaki, M. ; Vlastou, R. ; Tassan-Got, L ; Colonna, N. ; Heyse, J. ; Mastromarco, M. ; Macina, D. ; Chiaveri, E. ; Aberle, O. ; Alcayne, V. ; Amaducci, S. ; Andrzejewski, J. ; Audouin, L. ; Babiano-Suarez, V ; Bosnar, D. ; Brown, A. S. ; Busso, M. ; Caamaño, M. ; Caballero, L. ; Calviani, M. ; Calviño, F. ; Casanovas, A. ; Cortés, G. P. ; Cortés-Giraldo, M. A. ; Cosentino, L. ; Damone, L. A. ; Davies, P. J. ; Dietz, M. ; Ducasse, Q. ; Dupont, E. ; Durán, I. ; Ferrari, A. ; Ferro-Gonçalves, I. ; Garg, R. ; Gawlik, A. ; Gilardoni, S. ; Guerrero, C. ; Gunsing, F. ; Jenkins, D. G. ; Jericha, E. ; Jiri, U. ; Junghans, A. ; Kadi, Y. ; Kimura, A. ; Knapová, I. ; Kopatch, Y. ; Krticˇka, M. ; Kurtulgil, D. ; Ladarescu, I. ; Lerendegui-Marco, J ; Lonsdale, S. J. ; Manna, A. ; Martínez, T. ; Masi, A. ; Massimi, C. ; Mastinu, P. F. ; Maugeri, E. ; Mazzone, A. ; Mengoni, A. ; Milazzo, P. M. ; Millán-Callado, M. A. ; Mingrone, F. ; Moreno-Soto, J ; Musumarra, A. ; Negret, A. ; Ogállar, F. ; Oprea, A. ; Pavlik, A. ; Petrone, C. ; Piersanti, L. ; Pirovano, E. ; Porras, I. ; Praena, J. ; Quesada, J. M. ; Reifarth, R. ; Rubbia, C. ; Sabaté-Gilarte, M. ; Saxena, A. ; Schillebeeckx, P. ; Smith, A. G. ; Sosnin, N. ; Sprung, P. ; Tarifeño-Saldivia, A. E. ; Torres-Sánchez, P. ; Urlass, S. ; Valenta, S. ; Vannini, G. ; Variale, V. ; Vaz, P. ; Ventura, A. ; Vlachoudis, V. ; Wallner, A. ; Woods, P. J. ; Wright, T. J. ; Žugec, P.
Chen, Y. ; Ge, Z. ; Shu, N. ; Wang, W. ; Zhang, H.
Es parte de: EPJ Web of conferences, 2020, Vol.239, p.5014
Descripción: Feasibility, design and sensitivity studies on innovative nuclear reactors that could address the issue of nuclear waste transmutation using fuels enriched in minor actinides, require high accuracy cross section data for a variety of neutron-induced reactions from thermal energies to several tens of MeV. The isotope 241 Am (T 1/2 = 433 years) is present in high-level nuclear waste (HLW), representing about 1.8 % of the actinide mass in spent PWR UOx fuel. Its importance increases with cooling time due to additional production from the β -decay of 241 Pu with a half-life of 14.3 years. The production rate of 241 Am in conventional reactors, including its further accumulation through the decay of 241 Pu and its destruction through transmutation/incineration are very important parameters for the design of any recycling solution. In the present work, the 241 Am(n,f) reaction cross-section was measured using Micromegas detectors at the Experimental Area 2 of the n_TOF facility at CERN. For the measurement, the 235 U(n,f) and 238 U(n,f) reference reactions were used for the determination of the neutron flux. In the present work an overview of the experimental setup and the adopted data analysis techniques is given along with preliminary results.
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First results of the 241 Am(n,f) cross section measurement at the Experimental Area 2 of the n_TOF facility at CERN

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