Issue |
EPJ Web of Conf.
Volume 284, 2023
15th International Conference on Nuclear Data for Science and Technology (ND2022)
|
|
---|---|---|
Article Number | 01043 | |
Number of page(s) | 5 | |
Section | Nuclear Reaction Measurements | |
DOI | https://doi.org/10.1051/epjconf/202328401043 | |
Published online | 26 May 2023 |
https://doi.org/10.1051/epjconf/202328401043
A segmented total energy detector (sTED) for (n, γ) cross section measurements at n_TOF EAR2
1 Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT), Spain
2 Instituto de Física Corpuscular, CSIC - Universidad de Valencia, Spain
3 European Organization for Nuclear Research (CERN), Switzerland
4 Istituto Nazionale di Fisica Nucleare, Sezione di Pavia, Italy
5 Department of Physics, University of Pavia, Italy
6 INFN Laboratori Nazionali del Sud, Catania, Italy
7 University of Granada, Spain
8 University of Lodz, Poland
9 University of Manchester, United Kingdom
10 CEA Irfu, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
11 Department of Physics, Faculty of Science, University of Zagreb, Zagreb, Croatia
12 Istituto Nazionale di Fisica Nucleare, Sezione di Perugia, Italy
13 Dipartimento di Fisica e Geologia, Università di Perugia, Italy
14 University of Santiago de Compostela, Spain
15 Universitat Politècnica de Catalunya, Spain
16 Agenzia nazionale per le nuove tecnologie (ENEA), Italy
17 Istituto Nazionale di Fisica Nucleare, Sezione di Bologna, Italy
18 Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, Italy
19 Department of Physics, University of Trieste, Italy
20 National Technical University of Athens, Greece
21 Istituto Nazionale di Fisica Nucleare, Sezione di Torino, Italy
22 Department of Physics, University of Torino, Italy
23 Istituto Nazionale di Fisica Nucleare, Sezione di Bari, Italy
24 Universidad de Sevilla, Spain
25 Istituto Nazionale di Astrofisica - Osservatorio Astronomico di Teramo, Italy
26 Physikalisch-Technische Bundesanstalt (PTB), Bundesallee 100, 38116 Braunschweig, Germany
27 Paul Scherrer Institut (PSI), Villigen, Switzerland
28 University of Ioannina, Greece
29 Istituto Nazionale di Fisica Nucleare, Sezione di Roma1, Roma, Italy
30 Joint Institute for Nuclear Research (JINR), Dubna, Russia
31 European Commission, Joint Research Centre (JRC), Geel, Belgium
32 University of York, United Kingdom
33 TU Wien, Atominstitut, Stadionallee 2, 1020 Wien, Austria
34 Helmholtz-Zentrum Dresden-Rossendorf, Germany
35 Tokyo Institute of Technology, Japan
36 Charles University, Prague, Czech Republic
37 Goethe University Frankfurt, Germany
38 School of Physics and Astronomy, University of Edinburgh, United Kingdom
39 Dipartimento di Fisica e Astronomia, Università di Bologna, Italy
40 INFN Laboratori Nazionali di Legnaro, Italy
41 Dipartimento Interateneo di Fisica, Università degli Studi di Bari, Italy
42 Consiglio Nazionale delle Ricerche, Bari, Italy
43 INFN Laboratori Nazionali di Frascati, Italy
44 Istituto Nazionale di Fisica Nucleare, Sezione di Catania, Italy
45 Department of Physics and Astronomy, University of Catania, Italy
46 Horia Hulubei National Institute of Physics and Nuclear Engineering, Romania
47 Uppsala University, Sweden
48 Department of Physics, University of Basel, Switzerland
49 Instituto Superior Técnico, Lisbon, Portugal
50 Australian National University, Canberra, Australia
Published online: 26 May 2023
The neutron time-of-flight facility n_TOF is characterised by its high instantaneous neutron intensity, high-resolution and broad neutron energy spectra, specially conceived for neutron-induced reaction cross section measurements. Two Time-Of-Flight (TOF) experimental areas are available at the facility: experimental area 1 (EAR1), located at the end of the 185 m horizontal flight path from the spallation target, and experimental area 2 (EAR2), placed at 20 m from the target in the vertical direction. The neutron fluence in EAR2 is ˜ 300 times more intense than in EAR1 in the relevant time-of-flight window. EAR2 was designed to carry out challenging cross-section measurements with low mass samples (approximately 1 mg), reactions with small cross-sections or/and highly radioactive samples. The high instantaneous fluence of EAR2 results in high counting rates that challenge the existing capture systems. Therefore, the sTED detector has been designed to mitigate these effects. In 2021, a dedicated campaign was done validating the performance of the detector up to at least 300 keV neutron energy. After this campaign, the detector has been used to perform various capture cross section measurements at n_TOF EAR2.
© The Authors, published by EDP Sciences, 2023
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