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Title	Preliminary results on the $^{233}U$ capture cross section and alpha ratio measured at n_TOF (CERN) with the fission tagging technique
Author(s)	Bacak, M (CERN ; IRFU, Saclay ; TU Vienna) ; Aiche, M (CENBG, Gradignan) ; Bélier, G (CEA DAM) ; Berthoumieux, E (IRFU, Saclay) ; Diakaki, M (IRFU, Saclay ; U. Paris-Saclay) ; Dupont, E (IRFU, Saclay) ; Gunsing, F (IRFU, Saclay ; CERN) ; Heyse, J (Geel, JRC) ; Kopecky, S (Geel, JRC) ; Laurent, B (CEA DAM) ; Leeb, H (TU Vienna) ; Mathieu, L (CENBG, Gradignan ; Bordeaux U.) ; Schillebeeckx, P (Geel, JRC) ; Serot, O (CEA Cadarache) ; Taieb, J (CEA DAM) ; Vlachoudis, V (CERN) ; Aberle, O (CERN) ; Andrzejewski, J (Lodz U.) ; Audouin, L (Orsay, IPN ; CNRS, France ; U. Paris-Saclay ; U. Paris-Sud 11, Dept. Phys., Orsay) ; Balibrea, J (Madrid, CIEMAT) ; Barbagallo, M (INFN, Bari) ; Bečvář, F (Charles U.) ; Billowes, J (Manchester U.) ; Bosnar, D (Zagreb U.) ; Brown, A (York U., England) ; Caamaño, M (Santiago de Compostela U.) ; Calviño, F (Barcelona, Polytechnic U.) ; Calviani, M (CERN) ; Cano-Ott, D (Madrid, CIEMAT) ; Cardella, R (CERN) ; Casanovas, A (Barcelona, Polytechnic U.) ; Cerutti, F (CERN) ; Chen, Y H (Orsay, IPN ; CNRS, France ; U. Paris-Sud 11, Dept. Phys., Orsay ; U. Paris-Saclay) ; Chiaveri, E (CERN ; Manchester U. ; Seville U.) ; Colonna, N (INFN, Bari) ; Cortés, G (Barcelona, Polytechnic U.) ; Cortés-Giraldo, M A (Seville U.) ; Cosentino, L (INFN, Catania) ; Damone, L A (INFN, Bari ; Bari U.) ; Domingo-Pardo, C (Valencia U.) ; Dressler, R (PSI, Villigen) ; Durán, I (Santiago de Compostela U.) ; Fernández-Domínguez, B (Santiago de Compostela U.) ; Ferrari, A (CERN) ; Ferreira, P (Lisbon, IST) ; Finocchiaro, P (INFN, Catania) ; Furman, V (Dubna, JINR) ; Göbel, K (Frankfurt U.) ; García, A R (Madrid, CIEMAT) ; Gawlik, A (Lodz U.) ; Gilardoni, S (CERN) ; Glodariu, T (Bucharest, IFIN-HH) ; Gonçalves, I F (Lisbon, IST) ; González-Romero, E (Madrid, CIEMAT) ; Griesmayer, E (Vienna, Tech. U.) ; Guerrero, C (Seville U.) ; Harada, H (JAERI, Tokai) ; Heinitz, S (PSI, Villigen) ; Jenkins, D G (York U., England) ; Jericha, E (Vienna, Tech. U.) ; Käppeler, F (KIT, Karlsruhe) ; Kadi, Y (CERN) ; Kalamara, A (Natl. Tech. U., Athens) ; Kavrigin, P (Vienna, Tech. U.) ; Kimura, A (JAERI, Tokai) ; Kivel, N (PSI, Villigen) ; Knapova, I (Charles U.) ; Kokkoris, M (Natl. Tech. U., Athens) ; Krtička, M (Charles U.) ; Kurtulgil, D (Frankfurt U.) ; Leal-Cidoncha, E (Santiago de Compostela U.) ; Lederer, C (Edinburgh U.) ; Lerendegui-Marco, J (Seville U.) ; Meo, S Lo (ENEA, Bologna ; INFN, Bologna) ; Lonsdale, S J (Edinburgh U.) ; Macina, D (CERN) ; Manna, A (INFN, Bologna ; Bologna U.) ; Marganiec, J (Lodz U. ; Braunschweig, Phys. Tech. Bund.) ; Martínez, T (Madrid, CIEMAT) ; Masi, A (CERN) ; Massimi, C (INFN, Bologna ; Bologna U.) ; Mastinu, P (INFN, Legnaro) ; Mastromarco, M (INFN, Bari) ; Maugeri, E A (PSI, Villigen) ; Mazzone, A (INFN, Bari ; CNR-IC, Bari) ; Mendoza, E (Madrid, CIEMAT) ; Mengoni, A (ENEA, Bologna) ; Milazzo, P M (INFN, Trieste) ; Mingrone, F (CERN) ; Musumarra, A (Catania U. ; INFN, Catania) ; Negret, A (Bucharest, IFIN-HH) ; Nolte, R (Braunschweig, Phys. Tech. Bund.) ; Oprea, A (Bucharest, IFIN-HH) ; Patronis, N (Ioannina U.) ; Pavlik, A (Vienna U.) ; Perkowski, J (Lodz U.) ; Porras, I (Granada U.) ; Praena, J (Granada U.) ; Quesada, J M (Seville U.) ; Radeck, D (Braunschweig, Phys. Tech. Bund.) ; Rauscher, T (Basel U. ; Hertfordshire U.) ; Reifarth, R (Frankfurt U.) ; Rubbia, C (CERN) ; Ryan, J A (Manchester U.) ; Sabaté-Gilarte, M (CERN ; Seville U.) ; Saxena, A (Bhabha Atomic Res. Ctr.) ; Schumann, D (PSI, Villigen) ; Sedyshev, P (Dubna, JINR) ; Smith, A G (Manchester U.) ; Sosnin, N V (Manchester U.) ; Stamatopoulos, A (Athens U.) ; Tagliente, G (INFN, Bari) ; Tain, J L (Valencia U., IFIC) ; Tarifeño-Saldivia, A (Barcelona, Polytechnic U.) ; Tassan-Got, L (Orsay, IPN ; CNRS, France ; U. Paris-Saclay ; U. Paris-Sud 11, Dept. Phys., Orsay) ; Valenta, S (Charles U.) ; Vannini, G (INFN, Bologna ; Bologna U.) ; Variale, V (INFN, Bari) ; Vaz, P (Lisbon, IST) ; Ventura, A (INFN, Bologna) ; Vlastou, R (Natl. Tech. U., Athens) ; Wallner, A (Canberra U.) ; Warren, S (Manchester U.) ; Weiss, C (Vienna, Tech. U.) ; Woods, P J (Edinburgh U.) ; Wright, T (Manchester U.) ; Žugec, P (Zagreb U. ; CERN)
Publication	2019
Number of pages	9
In:	EPJ Web Conf. 211 (2019) 03007
In:	5th International Workshop On Nuclear Data Evaluation for Reactor Applications, Aix-en-Provence, France, 8 - 12 Oct 2018, pp.03007
DOI	10.1051/epjconf/201921103007
Subject category	Other
Abstract	$^{233}$U is of key importance among the fissile nuclei in the Th-U fuel cycle. A particularity of 233U 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 233U capture cross-section depends crucially on an efficient capture-fission discrimination, thus a combined set-up of fission and $\gamma$-detectors is needed. A measurement of the $^{233}$U 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 $\gamma$-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.
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