Preliminary results on the 233U capture cross section and alpha ratio measured at n_TOF (CERN) with the fission tagging technique

Bacak, M. and Aiche, M. and Belier, G. and Berthoumieux, E. and Diakaki, M. and Dupont, E. and Gunsing, F. and Heyse, J. and Kopecky, S. and Laurent, B. and Leeb, H. and Mathieu, L. and Schillebeeckx, P. and Serot, O. and Taieb, J. and Vlachoudis, V. and Aberle, O. and Andrzejewski, J. and Audouin, L. and Balibrea, J. and Barbagallo, M. and Becvar, F. and Billowes, J. and Bosnar, D. and Brown, A. and Caamano, M. and Calvino, 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 Cortes, G. and Cortes-Giraldo, M. A. and Cosentino, L. and Damone, L. A. and Domingo-Pardo, C. and Dressler, R. and Duran, I. and Fernandez-Dominguez, B. and Ferrari, A. and Ferreira, P. and Finocchiaro, P. and Furman, V. and Goebel, K. and Garcia, A. R. and Gawlik, A. and Gilardoni, S. and Glodariu, T. and Goncalves, I. F. and Gonzalez-Romero, E. and Griesmayer, E. and Guerrero, C. and Harada, H. and Heinitz, S. and Jenkins, D. G. and Jericha, E. and Kaeppeler, F. and Kadi, Y. and Kalamara, A. and Kavrigin, P. and Kimura, A. and Kivel, N. and Knapova, I. and Kokkoris, M. and Krticka, M. and Kurtulgil, D. and Leal-Cidoncha, E. and Lederer, C. and Lerendegui-Marco, J. and Lo Meo, S. and Lonsdale, S. J. and Macina, D. and Manna, A. and Marganiec, J. and Martinez, 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 Sabate-Gilarte, M. and Saxena, A. and Schumann, D. and Sedyshev, P. and Smith, A. G. and Sosnin, N. V. and Stamatopoulos, A. and Tagliente, G. and Tain, J. L. and Tarifeno-Saldivia, A. and Tassan-Got, L. and Valenta, S. and Vannini, G. and Variale, V. and Vaz, P. and Ventura, A. and Vlastou, R. and Wallner, A. and Warren, S. and Weiss, C. and Woods, P. J. and Wright, T. and Zugec, P.. (2019) Preliminary results on the 233U capture cross section and alpha ratio measured at n_TOF (CERN) with the fission tagging technique. In: EPJ Web of Conferences, 211. 03007-03007.

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U-233 is of key importance among the fissile nuclei in the Th-U fuel cycle. A particularity of U-233 is its small neutron capture cross-section, which is on average about one order of magnitude lower than the fission cross-section. The accuracy in the measurement of the U-233 capture crosssection depends crucially on an efficient capture-fission discrimination, thus a combined set-up of fission and y-detectors is needed. A measurement of the U-233 capture cross-section and capture-to -fission ratio was performed at the CERN n_TOF facility. The Total Absorption Calorimeter (TAC) of n_TOF was employed as y-detector coupled with a novel compact ionization chamber as fission detector. A brief description of the experimental set-up will be given, and essential parts of the analysis procedure as well as the preliminary response of the set-up to capture are presented and discussed.
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:European Physical Journal Web of Conferences
Note:Publication type according to Uni Basel Research Database: Conference paper
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Last Modified:23 Sep 2020 12:48
Deposited On:23 Sep 2020 12:45

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