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

V. Michalopoulou; A. Stamatopoulos; R. Vlastou; M. Kokkoris; A. Tsinganis; M. Diakaki; Z. Eleme; N. Patronis; J. Heyse; P. Schillebeeckx; L Tassan-Got; M. Barbagallo; N. Colonna; S. Urlass; D. Macina; E. Chiaveri; O. Aberle; V. Alcayne; S. Amaducci; J. Andrzejewski; L. Audouin; V Babiano-Suarez; M. Bacak; S. Bennett; E. Berthoumieux; D. Bosnar; A. S. Brown; M. Busso; M. Caamaño; L. Caballero; M. Calviani; F. Calviño; D Cano-Ott; A. Casanovas; F. Cerutti; G. P. Cortés; M. A. Cortés-Giraldo; L. Cosentino; S. Cristallo; L. A. Damone; P. J. Davies; M. Dietz; C Domingo-Pardo; R. Dressler; Q. Ducasse; E. Dupont; I. Durán; B. Femández-Domíngez; A. Ferrari; I. Ferro-Gonçalves; P. Finocchiaro; V. Furman; R. Garg; A. Gawlik; S. Gilardoni; K. Göbel; E. González-Romero; C. Guerrero; F. Gunsing; S. Heinitz; D. G. Jenkins; E. Jericha; U. Jiri; A. Junghans; Y. Kadi; F. Käppeler; A. Kimura; I. Knapová; Y. Kopatch; M. Krtiička; D. Kurtulgil; I. Ladarescu; C Lederer-Woods; J Lerendegui-Marco; S.-J. Lonsdale; A. Manna; T. Martínez; A. Masi; C. Massimi; P. F. Mastinu; M. Mastromarco; E. Maugeri; A. Mazzone; E. Mendoza; A. Mengoni; P. M. Milazzo; M. A. Millán-Callado; F. Mingrone; J Moreno-Soto; A. Musumarra; A. Negret; F. Ogállar; A. Oprea; A. Pavlik; J. Perkowski; C. Petrone; L. Piersanti; E. Pirovano; I. Porras; J. Praena; J. M. Quesada; D. Ramos Doval; R. Reifarth; D. Rochman; C. Rubbia; M. Sabaté-Gilarte; A. Saxena; D. Schumann; A. Sekhar; A. G. Smith; N. Sosnin; P. Sprung; G. Tagliente; J. L. Tain; A. E. Tarifeño-Saldivia; B. Thomas; P. Torres-Sánchez; S. Valenta; G. Vannini; V. Variale; P. Vaz; A. Ventura; D. Vescovi; V. Vlachoudis; A. Wallner; P. J. Woods; T. J. Wright; P. Žugec

doi:10.1051/epjconf/202023905004

All issues

Volume 239 (2020)

EPJ Web Conf., 239 (2020) 05004

Abstract

Open Access

Issue		EPJ Web Conf. Volume 239, 2020 ND 2019: International Conference on Nuclear Data for Science and Technology


Article Number		05004
Number of page(s)		6
Section		Fission Experiment and Theory
DOI		https://doi.org/10.1051/epjconf/202023905004
Published online		30 September 2020

EPJ Web of Conferences 239, 05004 (2020)
https://doi.org/10.1051/epjconf/202023905004

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

V. Michalopoulou¹^,2,*, A. Stamatopoulos², R. Vlastou², M. Kokkoris², A. Tsinganis¹, M. Diakaki²^,46, Z. Eleme³, N. Patronis³, J. Heyse⁴, P. Schillebeeckx⁴, L Tassan-Got¹^,2^,5, M. Barbagallo¹^,6, N. Colonna⁶, S. Urlass¹^,7, D. Macina¹, E. Chiaveri⁸^,9^,1, O. Aberle¹, V. Alcayne¹⁰, S. Amaducci¹¹^,12, J. Andrzejewski¹³, L. Audouin⁵, V Babiano-Suarez¹⁴, M. Bacak¹^,15^,16, S. Bennett⁸, E. Berthoumieux¹⁶, D. Bosnar¹⁷, A. S. Brown¹⁸, M. Busso¹⁹^,20, M. Caamaño²¹, L. Caballero¹⁴, M. Calviani¹, F. Calviño²², D Cano-Ott¹⁰, A. Casanovas²², F. Cerutti¹, G. P. Cortés²², M. A. Cortés-Giraldo⁹, L. Cosentino¹¹, S. Cristallo¹⁹^,23, L. A. Damone⁶^,24, P. J. Davies⁸, M. Dietz²⁵, C Domingo-Pardo¹⁴, R. Dressler²⁶, Q. Ducasse²⁷, E. Dupont¹⁶, I. Durán²¹, B. Femández-Domíngez²¹, A. Ferrari¹, I. Ferro-Gonçalves²⁸, P. Finocchiaro¹¹, V. Furman²⁹, R. Garg²⁵, A. Gawlik¹³, S. Gilardoni¹, K. Göbel³⁰, E. González-Romero¹⁰, C. Guerrero⁹, F. Gunsing¹⁶, S. Heinitz²⁶, D. G. Jenkins¹⁸, E. Jericha¹⁵, U. Jiri²⁶, A. Junghans⁷, Y. Kadi¹, F. Käppeler³¹, A. Kimura³², I. Knapová³³, Y. Kopatch²⁹, M. Krtiička³³, D. Kurtulgil³⁰, I. Ladarescu¹⁴, C Lederer-Woods²⁵, J Lerendegui-Marco⁹, S.-J. Lonsdale²⁵, A. Manna³⁴^,35, T. Martínez¹⁰, A. Masi¹, C. Massimi³⁴^,35, P. F. Mastinu³⁶, M. Mastromarco¹^,8, E. Maugeri²⁶, A. Mazzone⁶^,37, E. Mendoza¹⁰, A. Mengoni³⁸^,34, P. M. Milazzo³⁹, M. A. Millán-Callado⁹, F. Mingrone¹, J Moreno-Soto¹⁶, A. Musumarra¹¹^,12, A. Negret⁴⁰, F. Ogállar⁴¹, A. Oprea⁴⁰, A. Pavlik⁴², J. Perkowski¹³, C. Petrone⁴⁰, L. Piersanti¹⁹^,23, E. Pirovano²⁷, I. Porras⁴¹, J. Praena⁴¹, J. M. Quesada⁹, D. Ramos Doval⁵, R. Reifarth³⁰, D. Rochman²⁶, C. Rubbia¹, M. Sabaté-Gilarte⁹^,1, A. Saxena⁴³, D. Schumann²⁶, A. Sekhar⁸, A. G. Smith⁸, N. Sosnin⁸, P. Sprung²⁶, G. Tagliente⁶, J. L. Tain¹⁴, A. E. Tarifeño-Saldivia²², B. Thomas³⁰, P. Torres-Sánchez⁴¹, S. Valenta³³, G. Vannini³⁴^,35, V. Variale⁶, P. Vaz²⁸, A. Ventura³⁴, D. Vescovi¹⁹^,44, V. Vlachoudis¹, A. Wallner⁴⁵, P. J. Woods²⁵, T. J. Wright⁸ and P. Žugec¹⁷

¹ European Organization for Nuclear Research (CERN), Switzerland
² National Technical University of Athens, Greece
³ University of Ioannina, Greece
⁴ European Commission, Joint Research Centre, Geel, Retieseweg 111, B-2440 Geel, Belgium
⁵ IPN, CNRS-IN2P3, Univ. Paris-Sud, Université Paris-Saclay, F-91406 Orsay Cedex, France
⁶ Istituto Nazionale di Fisica Nucleare, Bari, Italy
⁷ Helmholtz-Zentrum Dresden-Rossendorf, Germany
⁸ University of Manchester, United Kingdom
⁹ Universidad de Sevilla, Spain
¹⁰ Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT), Spain
¹¹ INFN Laboratori Nazionali del Sud, Catania, Italy
¹² Dipartimento di Fisica e Astronomia, Università di Catania, Italy
¹³ University of Lodz, Poland
¹⁴ Instituto de Física Corpuscular, CSIC - Universidad de Valencia, Spain
¹⁵ Technische Universität Wien, Austria
¹⁶ CEA Saclay, Irfu, University Paris-Saclay, Gif-sur-Yvette, France
¹⁷ Department of Physics, Faculty of Science, University of Zagreb, Croatia
¹⁸ University of York, United Kingdom
¹⁹ Istituto Nazionale di Fisica Nazionale, Perugia, Italy
²⁰ Dipartimento di Fisica e Geologia, Università di Perugia, Italy
²¹ University of Santiago de Compostela, Spain
²² Universitat Politècnica de Catalunya, Spain
²³ Istituto Nazionale di Astrofisica - Osservatorio Astronomico d'Abruzzo, Italy
²⁴ Dipartimento di Fisica, Università degli Studi di Bari, Italy
²⁵ School of Physics and Astronomy, University of Edinburgh, United Kingdom
²⁶ Paul Scherrer Institut (PSI), Villigen, Switzerland
²⁷ Physikalisch-Technische Bundesanstalt (PTB), Bundesallee 100, 38116 Braunschweig, Germany
²⁸ Instituto Superior Técnico, Lisbon, Portugal
²⁹ Joint Institute for Nuclear Research (JINR), Dubna, Russia
³⁰ Goethe University Frankfurt, Germany
³¹ Karlsruhe Institute of Technology, Campus North, IKP, 76021 Karlsruhe, Germany
³² Japan Atomic Energy Agency (JAEA), Tokai-mura, Japan
³³ Charles University, Prague, Czech Republic
³⁴ Istituto Nazionale di Fisica Nucleare, Sezione di Bologna, Italy
³⁵ Dipartimento di Fisica e Astronomia, Università di Bologna, Italy
³⁶ Istituto Nazionale di Fisica Nucleare, Sezione di Legnaro, Italy
³⁷ Consiglio Nazionale delle Ricerche, Bari, Italy
³⁸ Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile (ENEA), Bologna, Italy
³⁹ Istituto Nazionale di Fisica Nazionale, Trieste, Italy
⁴⁰ Horia Hulubei National Institute of Physics and Nuclear Engineering (IFIN-HH), Bucharest
⁴¹ University of Granada, Spain
⁴² University of Vienna, Faculty of Physics, Vienna, Austria
⁴³ Bhabha Atomic Research Centre (BARC), India
⁴⁴ Gran Sasso Science Institute (GSSI), L'Aquila, Italy
⁴⁵ Australian National University, Canberra, Australia
⁴⁶ CEA, Cadarache, DEN/DER/SPRC/LEPh, 13108 Saint Paul Les Durance, France

Published online: 30 September 2020

Abstract

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 E_n=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.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.