Measurement of the neutron-induced fission cross section of <SUP>230</SUP>Th at the CERN n_TOF facility

n_TOF Collaboration, V Michalopoulou*, A Stamatopoulos, M Diakaki, A Tsinganis, R Vlastou, M Kokkoris, N Patronis, Z Eleme, D Macina, L Tassan-Got, N Colonna, E Chiaveri, A Ventura, P Schillebeeckx, J Heyse, G Sibbens, G Alaerts, A Borella, A MoensD Vanleeuw, O Aberle, V Alcayne, S Amaducci, J Andrzejewski, L Audouin, V Babiano-Suarez, M Bacak, M Barbagallo, S Bennett, E Berthoumieux, J Billowes, D Bosnar, A Brown, M Busso, M Caamaño, L Caballero, F Calviño, M Calviani, D Cano-Ott, A Casanovas, F Cerutti, G Cortés, MA Cortés-Giraldo, L Cosentino, S Cristallo, LA Damone, PJDM Dietz, M Dietz, C Domingo-Pardo, R Dressler, Q Ducasse, E Dupont, I Durán, B Fernández-Domínguez, A Ferrari, P Finocchiaro, V Furman, K Göbel, R Garg, A Gawlik-Ramiega, S Gilardoni, IF Gonçalves, E González-Romero, C Guerrero, F Gunsing, HHS Heinitz, S Heinitz, DG Jenkins, A Junghans, F Käppeler, Y Kadi, A Kimura, I Knapová, Y Kopatch, M Krticka, D Kurtulgil, I Ladarescu, C Lederer-Woods, H Leeb, J Lerendegui-Marco, SJ Lonsdale, A Manna, T Martínez, A Masi, CMP Mastinu, P Mastinu, M Mastromarco, EA Maugeri, A Mazzone, E Mendoza, A Mengoni, PM Milazzo, F Mingrone, J Moreno-Soto, A Musumarra, A Negret, R Nolte, F Ogállar, A Oprea, APJ Perkowski, J Perkowski, C Petrone, L Piersanti, E Pirovano, I Porras, J Praena, JM Quesada, D Ramos-Doval, T Rauscher, R Reifarth, D Rochman, Y Romanets, C Rubbia, M Sabaté-Gilarte, A Saxena, D Schumann, A Sekhar, AG Smith, NV Sosnin, P Sprung, G Tagliente, JL Tain, A Tarifeño-Saldivia, T Thomas, P Torres-Sánchez, J Ulrich, S Urlass, S Valenta, A Saxena, V Variale, P Vaz, D Vescovi, V Vlachoudis, A Wallner, PJ Woods, T Wright, P Zugec

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

The neutron-induced fission cross section of 230Th has been measured at the neutron time-of-flight facility n_TOF located at CERN. The experiment was performed at the experimental area EAR-1 with a neutron flight path of 185 m, using Micromegas detectors for the detection of the fission fragments. The 230Th⁢(𝑛,𝑓) cross section was determined relative to the 235U⁡(𝑛,𝑓) one, covering the energy range from the fission threshold up to 400 MeV. The results from the present work are compared with existing cross-section datasets and the observed discrepancies are discussed and analyzed. Finally, using the code empire 3.2.3 a theoretical study, based on the statistical model, was performed leading to a satisfactory reproduction of the experimental results with the proper tuning of the respective parameters, while for incident neutron energy beyond 200 MeV the fission of 230Th was described by Monte Carlo simulations.
Original languageEnglish
Article number014616
Pages (from-to)1-15
Number of pages15
JournalPhysical Review C
Volume108
Issue number1
DOIs
Publication statusPublished - 26 Jul 2023

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