Issue |
EPJ Web Conf.
Volume 239, 2020
ND 2019: International Conference on Nuclear Data for Science and Technology
|
|
---|---|---|
Article Number | 01034 | |
Number of page(s) | 5 | |
Section | Nuclear Reaction Measurements | |
DOI | https://doi.org/10.1051/epjconf/202023901034 | |
Published online | 30 September 2020 |
https://doi.org/10.1051/epjconf/202023901034
Measurement of the 244Cm capture cross sections at both CERN n_TOF experimental areas
1 Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT), Spain
2 Japan Atomic Energy Agency (JAEA), Tokai-mura, Japan
3 European Organization for Nuclear Research (CERN), Switzerland
4 INFN Laboratori Nazionali del Sud, Catania, Italy
5 Dipartimento di Fisica e Astronomia, Università di Catania, Italy
6 University of Lodz, Poland
7 IPN, CNRS-IN2P3, Univ. Paris-Sud, Université Paris-Saclay, F-91406 Orsay Cedex, France
8 Instituto de Física Corpuscular, CSIC - Universidad de Valencia, Spain
9 Technische Universität Wien, Austria
10 CEA Saclay, Irfu, Université Paris-Saclay, Gif-sur-Yvette, France
11 Istituto Nazionale di Fisica Nucleare, Bari, Italy
12 Charles University, Prague, Czech Republic
13 University of Manchester, United Kingdom
14 Department of Physics, Faculty of Science, University of Zagreb, Croatia
15 University of York, United Kingdom
16 Istituto Nazionale di Fisica Nazionale, Perugia, Italy
17 Dipartimento di Fisica e Geologia, Università di Perugia, Italy
18 University of Santiago de Compostela, Spain
19 Universitat Politècnica de Catalunya, Spain
20 Universidad de Sevilla, Spain
21 Istituto Nazionale di Astrofisica - Osservatorio Astronomico d’Abruzzo, Italy
22 Dipartimento di Fisica, Università degli Studi di Bari, Italy
23 National Technical University of Athens, Greece
24 School of Physics and Astronomy, University of Edinburgh, United Kingdom
25 Paul Scherrer Institut (PSI), Villigen, Switzerland
26 University of Ioannina, Greece
27 Instituto Superior Técnico, Lisbon, Portugal
28 Joint Institute for Nuclear Research (JINR), Dubna, Russia
29 Horia Hulubei National Institute of Physics and Nuclear Engineering (IFIN-HH), Bucharest
30 Goethe University Frankfurt, Germany
31 European Commission, Joint Research Centre, Geel, Retieseweg 111, B-2440 Geel, Belgium
32 Karlsruhe Institute of Technology, Campus North, IKP, 76021 Karlsruhe, Germany
33 Agenzia nazionale per le nuove tecnologie, l’energia e lo sviluppo economico sostenibile (ENEA), Bologna, Italy
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 Istituto Nazionale di Fisica Nazionale, Trieste, Italy
38 Dipartimento di Fisica, Università di Trieste, Italy
39 Consiglio Nazionale delle Ricerche, Bari, Italy
40 Physikalisch-Technische Bundesanstalt (PTB), Bundesallee 100, 38116 Braunschweig, Germany
41 University of Granada, Spain
42 University of Vienna, Faculty of Physics, Vienna, Austria
43 Bhabha Atomic Research Centre (BARC), India
44 Helmholtz-Zentrum Dresden-Rossendorf, Germany
45 Australian National University, Canberra, Australia
* e-mail: victor.alcayne@ciemat.es
Published online: 30 September 2020
Accurate neutron capture cross section data for minor actinides (MAs) are required to estimate the production and transmutation rates of MAs in light water reactors with a high burnup, critical fast reactors like Gen-IV systems and other innovative reactor systems such as accelerator driven systems (ADS). Capture reactions of 244Cm open the path for the formation of heavier Cm isotopes and of heavier elements such as Bk and Cf. In addition, 244Cm shares nearly 50% of the total actinide decay heat in irradiated reactor fuels with a high burnup, even after three years of cooling.
Experimental data for this isotope are very scarce due to the difficulties of providing isotopically enriched samples and because the high intrinsic activity of the samples requires the use of neutron facilities with high instantaneous flux. The only two previous experimental data sets for this neutron capture cross section have been obtained in 1969 using a nuclear explosion and, more recently, at J-PARC in 2010. The neutron capture cross sections have been measured at n_TOF with the same samples that the previous experiments in J-PARC. The samples were measured at n_TOF Experimental Area 2 (EAR-2) with three C6D6 detectors and also in Experimental Area 1 (EAR-1) with the Total Absorption Calorimeter (TAC). Preliminary results assessing the quality and limitations of these new experimental datasets are presented for the experiments in both areas. Preliminary yields of both measurements will be compared with evaluated libraries for the first time.
© The Authors, published by EDP Sciences, 2020
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.