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Accurate measurement of the standard 235U(n,f) cross section from thermal to 170 keV neutron energy

Amaducci, S. and Aberle, O. and Andrzejewski, J. and Audouin, L. and Bacak, M. and Balibrea, J. and Barbagallo, M. and Bečvář, F. and Berthoumieux, E. and Billowes, J. and Bosnar, D. and Brown, A. and Caamaño, M. and Calviño, F. and Calviani, M. and Cano-Ott, D. and Cardella, R. and Casanovas, A. and Cerutti, F. and Chen, Y. H. and Chiaveri, E. and Colonna, N. and Cortés, G. and Cortés-Girardo, M. A. and Cosentino, L. and Damone, L. A. and Diakaki, M. and Domingo-Pardo, C. and Dressler, R. and Dupont, E. and Durán, I. and Fernández-Domínguez, B. and Ferrari, A. and Ferreira, P. and Finocchiaro, P. and Furman, V. and Göbel, K. and García, A. R. and Gawlik, A. and Gilardoni, S. and Glodariu, T. and Gonçalves, I. F. and González-Romero, E. and Griesmayer, E. and Guerrero, C. and Gunsing, F. and Harada, H. and Heinitz, S. and Heyse, J. and Jenkins, D. G. and Jericha, E. and Käppeler, F. and Kadi, Y. and Kalamara, A. and Kavrigin, P. and Kimura, A. and Kivel, N. and Knapova, I. and Kokkoris, M. and Krtička, M. and Kurtulgil, D. and Leal-Cidoncha, E. and Lederer, C. and Leeb, H. and Lerendegui-Marco, J. and Lo Meo, S. and Lonsdale, S. J. and Macina, D. and Manna, A. and Marganiec, J. and Martínez, T. and Masi, A. and Massimi, C. and Mastinu, P. and Mastromarco, M. and Maugeri, E. A. and Mazzone, A. and Mendoza, E. and Mengoni, A. and Milazzo, P. M. and Mingrone, F. and Musumarra, A. and Negret, A. and Nolte, R. and Oprea, A. and Patronis, N. and Pavlik, A. and Perkowski, J. and Porras, I. and Praena, J. and Quesada, J. M. and Radeck, D. and Rauscher, T. and Reifarth, R. and Rubbia, C. and Ryan, J. A. and Sabaté-Gilarte, M. and Saxena, A. and Schillebeeckx, P. and Schumann, D. and Sedyshev, P. and Smith, A. G. and Sosnin, N. and Stamatopoulos, A. and Tagliente, G. and Tain, J. L. and Tarifeño-Saldivia, A. and Tassan-Got, L. and Valenta, S. and Vannini, G. and Variale, V. and Vaz, P. and Ventura, A. and Vlachoudis, V. and Vlastou, R. and Wallner, A. and Warren, S. and Weiss, C. and Woods, P. J. and Wright, T. and Žugec, P.. (2020) Accurate measurement of the standard 235U(n,f) cross section from thermal to 170 keV neutron energy. In: ND 2019: International Conference on Nuclear Data for Science and Technology, 239. 08002.

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Abstract

An accurate measurement of the 235U(n,f) cross section from thermal to 170 keV of neutron energy has recently been performed at n_TOF facility at CERN using 6Li(n,t)4He and 10B(n,α)7Li as references. This measurement has been carried out in order to investigate a possible overestimation of the 235U fission cross section evaluation provided by most recent libraries between 10 and 30 keV. A custom experimental apparatus based on in-beam silicon detectors has been used, and a Monte Carlo simulation in GEANT4 has been employed to characterize the setup and calculate detectors efficiency. The results evidenced the presence of an overestimation in the interval between 9 and 18 keV and the new data may be used to decrease the uncertainty of 235U(n,f) cross section in the keV region.
Faculties and Departments:05 Faculty of Science > Departement Physik > Former Organization Units Physics > 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
Series Name:EPJ Web of Conferences
e-ISSN:2100-014X
Note:Publication type according to Uni Basel Research Database: Conference paper
Language:English
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edoc DOI:
Last Modified:11 Aug 2022 07:31
Deposited On:11 Aug 2022 07:31

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