Issue |
EPJ Web Conf.
Volume 239, 2020
ND 2019: International Conference on Nuclear Data for Science and Technology
|
|
---|---|---|
Article Number | 05006 | |
Number of page(s) | 4 | |
Section | Fission Experiment and Theory | |
DOI | https://doi.org/10.1051/epjconf/202023905006 | |
Published online | 30 September 2020 |
https://doi.org/10.1051/epjconf/202023905006
Study of the neutron-induced fission cross section of 237Np at CERN's n_TOF facility over a wide energy range
1 National Technical University of Athens, Greece
2 European Organization for Nuclear Research (CERN), Switzerland
3 Istituto Nazionale di Fisica Nucleare, Sezione di Bari, Italy
4 European Commission, Joint Research Centre, Geel, Retieseweg 111, B-2440 Geel, Belgium
5 Institut de Physique Nucléaire, CNRS-IN2P3, Univ. Paris-Sud, Université Paris-Saclay, F-91406 Orsay Cedex, France
6 Department of Physics, Faculty of Science, University of Zagreb, Zagreb, Croatia
7 Universidad de Sevilla, Spain
8 University of Ioannina, Greece
9 University of Lodz, Poland
10 Technische Universität Wien, Austria
11 CEA Irfu, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
12 Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT), Spain
13 Charles University, Prague, Czech Republic
14 University of Manchester, United Kingdom
15 University of York, United Kingdom
16 University of Santiago de Compostela, Spain
17 Universitat Politècnica de Catalunya, Spain
18 INFN Laboratori Nazionali del Sud, Catania, Italy
19 Dipartimento di Fisica, Università degli Studi di Bari, Italy
20 Instituto de Física Corpuscular, CSIC - Universidad de Valencia, Spain
21 Paul Scherrer Institut (PSI), Villingen, Switzerland
22 Instituto Superior Técnico, Lisbon, Portugal
23 Joint Institute for Nuclear Research (JINR), Dubna, Russia
24 Goethe University Frankfurt, Germany
25 Horia Hulubei National Institute of Physics and Nuclear Engineering, Romania
26 Japan Atomic Energy Agency (JAEA), Tokai-mura, Japan
27 Karlsruhe Institute of Technology, Campus North, IKP, 76021 Karlsruhe, Germany
28 School of Physics and Astronomy, University of Edinburgh, United Kingdom
29 Agenzia nazionale per le nuove tecnologie (ENEA), Bologna, Italy
30 Istituto Nazionale di Fisica Nucleare, Sezione di Bologna, Italy
31 Dipartimento di Fisica e Astronomia, Università di Bologna, Italy
32 Physikalisch-Technische Bundesanstalt (PTB), Bundesallee 100, 38116 Braunschweig, Germany
33 Istituto Nazionale di Fisica Nucleare, Sezione di Legnaro, Italy
34 Consiglio Nazionale delle Ricerche, Bari, Italy
35 Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, Italy
36 Dipartimento di Fisica e Astronomia, Università di Catania, Italy
37 University of Vienna, Faculty of Physics, Vienna, Austria
38 University of Granada, Spain
39 Department of Physics, University of Basel, Switzerland
40 Centre for Astrophysics Research, University of Hertfordshire, United Kingdom
41 Bhabha Atomic Research Centre (BARC), India
42 Istituto Nazionale di Fisica Nucleare, Sezione di Perugia, Italy
43 Australian National University, Canberra, Australia
44 CEA, Cadarache, DEN/DER/SPRC/LEPh, 13108 Saint Paul Les Durance, France
* e-mail: athanasios.stamatopoulos@cern.ch
Published online: 30 September 2020
Neutron-induced fission cross sections of isotopes involved in the nuclear fuel cycle are vital for the design and safe operation of advanced nuclear systems. Such experimental data can also provide additional constraints for the adjustment of nuclear model parameters used in the evaluation process, resulting in the further development of fission models. In the present work, the 237Np(n,f) cross section was studied at the EAR2 vertical beam-line at CERN's n_TOF facility, over a wide range of neutron energies, from meV to MeV, using the time-of-flight technique and a set-up based on Micromegas detectors, in an attempt to provide accurate experimental data. Preliminary results in the 200 keV – 14 MeV neutron energy range as well as the experimental procedure, including a description of the facility and the data handling and analysis, will be presented.
© The Authors, published by EDP Sciences, 2020
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