First results of the 230Th(n,f) cross section measurements at the CERN n_TOF facility

Veatriki Michalopoulou, Athanasios Stamatopoulos, Rosa Vlastou, Michael Kokkoris, Andrea Tsinganis, Maria Diakaki, Zinovia Eleme, Nikolas Patronis, Jan Heyse, Peter Schillebeeckx, Laurent Tassan-Got, Massimo Barbagallo, Nicola Colonna, Sebastian Urlaß, Daniela Macina, Enrico Chiaveri, Oliver Aberle, Victor Alcayne, Simone Amaducci, Józef Andrzejewski, Laurent Audouin, Victor Babiano Suarez, Michael Bacak, Samuel Bennett, Eric Berthoumieux, Damir Bosnar, Adam S. Brown, Maurizio Busso, Manuel Caamaño, Luis Caballero Ontanaya, Marco Calviani, Francisco Calviño Tavares, Daniel Cano-Ott, Adrià Casanovas Hoste, Francesco Cerutti, Guillem Pere Cortés Rossell, Miguel Antonio Cortés-Giraldo, Luigi Cosentino, Sergio Cristallo, Lucia Anna Damone, Paul John Davies, Mirco Dietz, César Domingo-Pardo, Rugard Dressler, Quentin Ducasse, Emmeric Dupont, Ignacio Durán, Beatriz Fernández Domínguez, Alfredo Ferrari, Isabel Maria Ferro Gonçalves, Paolo Finocchiaro, Valter Furman, Ruchi Garg, Aleksandra Gawlik, Simone Gilardoni, Kathrin Göbel, Enrique Miguel González Romero, Carlos Guerrero Sánchez, Frank Gunsing, Stephan Heinitz, David Jenkins, Erwin Jericha, U. Jiri, Arnd Rudolf Junghans, Yacine Kadi, Franz Käppeler, Atsushi Kimura, Ingrid Knapová, Yuri N. Kopatch, Milan Krtička, Cem Deniz Kurtulgil, Ion Ladarescu, Claudia Lederer-Woods, Jorge Lerendegui-Marco, Sarah-Jane Lonsdale, Alice Manna, Trinitario Martı́nez, Alessandro Masi, Cristian Massimi, Pierfrancesco Mastinu, Mario Mastromarco, Emilio Andrea Maugeri, Annamaria Mazzone, Emilio Mendoza Cembranos, Alberto Mengoni, Paolo Maria Milazzo, María de los Ángeles Millán Callado, Federica Mingrone, Javier Moreno-Soto, Agatino Musumarra, Alexandru Negret, Francisco Ogállar Ruiz, Andreea Oprea, Andreas Pavlik, Jarosław Perkowski, Cristina Petrone, Luciano Piersanti, Elisa Pirovano, Ignacio Porras, Javier Praena, Jose Manuel Quesada, Diego Ramos Doval, René Reifarth, Dimitri Rochman, Carlo Rubbia, Marta Sabaté-Gilarte, Alok Saxena, Dorothea Schumann, Adhitya Sekhar, Alastair Gavin Smith, Nikolay V. Sosnin, Peter Sprung, Giuseppe Tagliente, José Luis Taı́n Enríquez, Ariel Tarifeño-Saldivia, Benedikt Thomas, Pablo Torres-Sánchez, Stanislav Valenta, Gianni Vannini, Vincenzo Variale, Pedro Vaz, Alberto Ventura, Diego Vescovi, Vasilis Vlachoudis, Anton Wallner, Philip John Woods, Tobias J. Wright, Petar Žugec

  • The study of neutron-induced reactions on actinides is of considerable importance for the design of advanced nuclear systems and alternative fuel cycles. Specifically, 230Th is produced from the α-decay of 234U as a byproduct of the 232Th/233U fuel cycle, thus the accurate knowledge of its fission cross section is strongly required. However, few experimental datasets exist in literature with large deviations among them, covering the energy range between 0.2 to 25 MeV. In addition, the study of the 230Th(n,f) cross-section is of great interest in the research on the fission process related to the structure of the fission barriers. Previous measurements have revealed a large resonance at En=715 keV and additional fine structures, but with high discrepancies among the cross-section values of these measurements. This contribution presents preliminary results of the 230Th(n,f) cross-section measurements at the CERN n_TOF facility. The high purity targets of the natural, but very rare isotope 230Th, were produced at JRC-Geel in Belgium. The measurements were performed at both experimental areas (EAR-1 and EAR-2) of the n_TOF facility, covering a very broad energy range from thermal up to at least 100 MeV. The experimental setup was based on Micromegas detectors with the 235U(n,f) and 238U(n,f) reaction cross-sections used as reference.

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Author:Veatriki Michalopoulou, Athanasios StamatopoulosORCiD, Rosa Vlastou, Michael KokkorisORCiD, Andrea TsinganisORCiD, Maria Diakaki, Zinovia Eleme, Nikolas PatronisORCiD, Jan Heyse, Peter Schillebeeckx, Laurent Tassan-Got, Massimo Barbagallo, Nicola ColonnaORCiD, Sebastian Urlaß, Daniela Macina, Enrico Chiaveri, Oliver Aberle, Victor AlcayneORCiD, Simone AmaducciORCiD, Józef AndrzejewskiORCiD, Laurent AudouinORCiD, Victor Babiano SuarezORCiD, Michael BacakORCiD, Samuel BennettORCiD, Eric BerthoumieuxORCiD, Damir BosnarORCiD, Adam S. Brown, Maurizio BussoORCiD, Manuel CaamañoORCiD, Luis Caballero OntanayaORCiD, Marco CalvianiORCiD, Francisco Calviño TavaresORCiD, Daniel Cano-OttORCiD, Adrià Casanovas HosteORCiD, Francesco CeruttiORCiDGND, Guillem Pere Cortés RossellORCiD, Miguel Antonio Cortés-GiraldoORCiD, Luigi CosentinoORCiD, Sergio CristalloORCiD, Lucia Anna Damone, Paul John Davies, Mirco Dietz, César Domingo-PardoORCiD, Rugard Dressler, Quentin Ducasse, Emmeric Dupont, Ignacio Durán, Beatriz Fernández DomínguezORCiD, Alfredo Ferrari, Isabel Maria Ferro GonçalvesORCiD, Paolo FinocchiaroORCiD, Valter FurmanORCiD, Ruchi GargORCiD, Aleksandra GawlikORCiD, Simone Gilardoni, Kathrin GöbelORCiDGND, Enrique Miguel González Romero, Carlos Guerrero SánchezORCiD, Frank Gunsing, Stephan HeinitzORCiD, David JenkinsORCiDGND, Erwin JerichaORCiDGND, U. Jiri, Arnd Rudolf JunghansORCiDGND, Yacine KadiORCiD, Franz Käppeler, Atsushi Kimura, Ingrid Knapová, Yuri N. Kopatch, Milan KrtičkaORCiD, Cem Deniz KurtulgilGND, Ion LadarescuORCiD, Claudia Lederer-Woods, Jorge Lerendegui-MarcoORCiD, Sarah-Jane Lonsdale, Alice MannaORCiD, Trinitario Martı́nez, Alessandro Masi, Cristian MassimiORCiD, Pierfrancesco MastinuORCiD, Mario MastromarcoORCiD, Emilio Andrea MaugeriORCiD, Annamaria MazzoneORCiD, Emilio Mendoza CembranosORCiD, Alberto MengoniORCiD, Paolo Maria MilazzoORCiD, María de los Ángeles Millán Callado, Federica MingroneORCiD, Javier Moreno-Soto, Agatino MusumarraORCiD, Alexandru NegretORCiD, Francisco Ogállar RuizORCiD, Andreea Oprea, Andreas PavlikORCiD, Jarosław PerkowskiORCiD, Cristina Petrone, Luciano PiersantiORCiD, Elisa PirovanoORCiD, Ignacio PorrasORCiD, Javier PraenaORCiD, Jose Manuel Quesada, Diego Ramos Doval, René ReifarthORCiD, Dimitri RochmanORCiD, Carlo RubbiaGND, Marta Sabaté-Gilarte, Alok SaxenaORCiD, Dorothea SchumannORCiD, Adhitya Sekhar, Alastair Gavin Smith, Nikolay V. SosninORCiD, Peter SprungORCiD, Giuseppe TaglienteORCiD, José Luis Taı́n EnríquezORCiD, Ariel Tarifeño-SaldiviaORCiD, Benedikt Thomas, Pablo Torres-SánchezORCiD, Stanislav Valenta, Gianni VanniniORCiD, Vincenzo VarialeORCiD, Pedro VazORCiD, Alberto VenturaORCiD, Diego VescoviORCiD, Vasilis Vlachoudis, Anton WallnerORCiD, Philip John Woods, Tobias J. Wright, Petar ŽugecORCiD
URN:urn:nbn:de:hebis:30:3-700821
DOI:https://doi.org/10.1051/epjconf/202023905004
ISSN:2100-014X
Parent Title (English):EPJ Web of Conferences
Publisher:EDP Sciences
Place of publication:Les Ulis
Document Type:Article
Language:English
Date of Publication (online):2020/09/30
Date of first Publication:2020/09/30
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Contributing Corporation:ND 2019: International Conference on Nuclear Data for Science and Technology
Release Date:2022/09/28
Volume:239
Issue:05004
Page Number:6
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung 4.0