M. Bacak, M. Aiche, G. Belier, E. Berthoumieux, M. Diakaki, E. Dupont, F. Gunsing, H. Leeb, E. Griesmayer, E. Jericha, P. Kavrigin, C. Weiß, -. n_TOF Collaboration et al.:
"Preliminary results on the 233U α-ratio measurement at n_TOF";
EPJ Web of Conferences, 239 (2020), 01043; S. 1 - 5.

Kurzfassung englisch:
233U is the fissile nuclei in the Th-U fuel cycle with a particularily small neutron capture cross setion which is on average about one order of magnitude lower than its fission cross section. Hence, the measurement of the 233U(n, γ) cross section relies on a method to accurately distinguish between capture and fission γ-rays. A measurement of the 233U α-ratio has been performed at the n_TOF facility at CERN using a so-called fission tagging setup, coupling n_TOF 's Total Absorption Calorimeter with a novel fission chamber to tag the fission γ-rays. The experimental setup is described and essential parts of the analysis are discussed. Finally, a preliminary 233U α-ratio is presented.

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