| Issue |
EPJ Web of Conf.
Volume 284, 2023
15th International Conference on Nuclear Data for Science and Technology (ND2022)
|
|
|---|---|---|
| Article Number | 01030 | |
| Number of page(s) | 4 | |
| Section | Nuclear Reaction Measurements | |
| DOI | https://doi.org/10.1051/epjconf/202328401030 | |
| Published online | 26 May 2023 | |
https://doi.org/10.1051/epjconf/202328401030
Measurement of the 235U(n,f) cross section relative to the 10B(n,α) reaction with Micromegas detectors at the CERN n_TOF facility: First results
1 National Technical University of Athens, Greece
2 European Organization for Nuclear Research (CERN), Switzerland
3 University of Ioannina, Greece
4 European Commission, Joint Research Centre (JRC), Geel, Belgium
5 Institut de Physique Nucléaire, CNRS-IN2P3, Univ. Paris-Sud, Université Paris-Saclay, F-91406 Orsay Cedex, France
6 Istituto Nazionale di Fisica Nucleare, Sezione di Bari, Italy
7 Helmholtz-Zentrum Dresden-Rossendorf, Germany
8 University of Manchester, United Kingdom
9 Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT), Spain
10 INFN Laboratori Nazionali del Sud, Catania, Italy
11 Dipartimento di Fisica e Astronomia, Università di Catania, Italy
12 University of Lodz, Poland
13 Instituto de Física Corpuscular, CSIC - Universidad de Valencia, Spain
14 TU Wien, Atominstitut, Stadionallee 2, 1020 Wien, Austria
15 CEA Irfu, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
16 Department of Physics, Faculty of Science, University of Zagreb, Zagreb, Croatia
17 University of York, United Kingdom
18 Istituto Nazionale di Fisica Nucleare, Sezione di Perugia, Italy
19 Dipartimento di Fisica e Geologia, Università di Perugia, Italy
20 University of Santiago de Compostela, Spain
21 Universitat Politècnica de Catalunya, Spain
22 Universidad de Sevilla, Spain
23 Istituto Nazionale di Astrofisica - Osservatorio Astronomico di Teramo, Italy
24 Dipartimento Interateneo 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 Goethe University Frankfurt, Germany
29 Instituto Superior Técnico, Lisbon, Portugal
30 Japan Atomic Energy Agency (JAEA), Tokai-Mura, Japan
31 Karlsruhe Institute of Technology, Campus North, IKP, 76021 Karlsruhe, Germany
32 Charles University, Prague, Czech Republic
33 Istituto Nazionale di Fisica Nucleare, Sezione di Bologna, Italy
34 Dipartimento di Fisica e Astronomia, Università di Bologna, Italy
35 Istituto Nazionale di Fisica Nucleare, Sezione di Legnaro, Italy
36 Consiglio Nazionale delle Ricerche, Bari, Italy
37 Agenzia nazionale per le nuove tecnologie (ENEA), Bologna, Italy
38 Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, Italy
39 Dipartimento di Fisica e Astronomia, Università di Catania, Italy
40 Horia Hulubei National Institute of Physics and Nuclear Engineering, Romania
41 University of Granada, Spain
42 University of Vienna, Faculty of Physics, Vienna, Austria
43 Department of Physics, University of Basel, Switzerland
44 Centre for Astrophysics Research, University of Hertfordshire, United Kingdom
45 Bhabha Atomic Research Centre (BARC), India
46 Australian National University, Canberra, Australia
Published online: 26 May 2023
Neutron cross section measurements are often made relative to a neutron cross section standard. Thus, the accuracy of the neutron standards determines the best possible accuracy of the neutron measurements. The 235U(n,f) cross section is widely used as reference, while it is considered a standard at thermal point and between 0.15 to 200 MeV. For this reason, additional cross section data for the 235U(n,f) reaction are useful in order to improve the accuracy and to extend the energy range of the standard. In this work, preliminary results of the measurement of the 235U(n,f) cross-section relative to the standard 10B(n,a) reaction are presented. The high accuracy measurement was performed at the experimental area EAR-1 of the n_TOF facility at CERN, aiming at covering the energy range from the thermal region up to approximately 100 keV. The samples were produced at JRC-Geel in Belgium, while the experimental setup was based on Micromegas detectors.
© The Authors, published by EDP Sciences, 2023
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