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Low-uncertainty measurement of the 239Pu(n,f) cross section at n_TOF in a very broad energy range from 0.02 eV up to 10 MeV
/ Sánchez-Caballero, A (Madrid, CIEMAT) ; Cano-Ott, D (Madrid, CIEMAT) ; Mendoza, E (Madrid, CIEMAT) ; Alcayne, V (Madrid, CIEMAT) ; Andrzejewski, J (Lodz U.) ; Capote, R (IAEA, Vienna) ; Cardinaels, T (SCK-CEN, Mol) ; Dries, P (SCK-CEN, Mol) ; Pérez, J García (Madrid, CIEMAT) ; Gawlik-Ramięga, A (Lodz U.) et al.
The 239Pu(n,f) cross section was measured with uncertainties below 4 % from 20 meV up to 10 MeV of neutron energy at CERN’s n_TOF facility using a novel fission fragment detector with a 185.59 m flight path. Measured cross section was normalized to 1059(6) eV · b in the 9–20 eV energy range, and is consistent within uncertainties with the standard thermal value and the IAEA reference 239Pu(n,f) cross section. [...]
2025 - 8 p.
- Published in : Phys. Lett. B 872 (2026) 140070
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Micromegas detector response test at the new EAR2 neutron beam of n_TOF facility in view of the 243Am(n,f) measurement
/ Kyritsis, Nikolaos (Natl. Tech. U., Athens) ; Diakaki, Maria (Natl. Tech. U., Athens) ; Michalopoulou, Veatriki (Natl. Tech. U., Athens) ; Eleme, Zinovia (Ioannina U.) ; Patronis, Nikolaos (Ioannina U.) ; Michael Kokkoris (Natl. Tech. U., Athens) ; Vlastou, Roza (Natl. Tech. U., Athens)
/n_TOF Collaboration
A key ingredient of the design of advanced nuclear systems, such as Generation IV reactors and accelerator driven systems, is the study of neutron induced fission reactions. Accurate cross-section data on key actinides is needed both for their operation and the handling of the nuclear waste. [...]
2024 - 6 p.
- Published in : HNPS Adv. Nucl. Phys. 30 (2024) 19-24
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In : 31th Symposium of the Hellenic Nuclear Physics Society (HNPS 2023), Athens, Greece, 29 - 30 Sep 2023, pp.19-24
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n_TOF Detector Developments
/ Patronis, Nikolas ; Aberle, Oliver ; Alcayne, Victor ; Alpar, Genevieve ; Al Halabi, Muaz ; Amaducci, Simone ; Babiano, Victor ; Bacak, Michael ; Balibrea-Correa, Javier ; Bartolomé, Jesús et al.
In this report, the ongoing developments of the n_TOF detectors are presented. The document describes the capabilities related to new research avenues and perspectives in new physics research with the n_TOF collaboration. [...]
n_TOF-PUB-2024-001; CERN-n_TOF-PUB-2024-001.-
Geneva : CERN, 2024 - 10 p.
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Multi-section fission ionization chamber for measurement of 239Pu(n,γ) reaction in fission tagging method
/ Perkowski, J (Lodz U.) ; Alcayne, V (Madrid, CIEMAT) ; Andrzejewski, J (Lodz U.) ; Cano-Ott, D (Madrid, CIEMAT) ; Gawlik-Ramięga, A (Lodz U.) ; Mendoza, E (Madrid, CIEMAT) ; Sánchez-Caballero, A (Madrid, CIEMAT) ; Sibbens, G (Geel, JRC) ; Vanleeuw, D (Geel, JRC) ; Aberle, O (CERN) et al.
The 239Pu(n,γ) reaction cross section is very important for operation of both thermal and fast reactors, when loaded with MOX fuels. According to the NEA/OECD High Priority Request List the precision of cross section data for this reaction should be improved. [...]
2024 - 8 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1067 (2024) 169649
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Electronics Irradiation With Neutrons at the NEAR Station of the n_TOF Spallation Source at CERN
/ Cecchetto, Matteo (CERN) ; Sacristan Barbero, Mario (CERN) ; Lerner, Giuseppe (CERN) ; García Alía, Rubén (CERN) ; Aguiar, Ygor (CERN) ; Senajova, Dominika (CERN) ; Garcia Infantes, Francisco (CERN) ; Pavon Rodriguez, Jose Antonio (CERN) ; Sabate Gilarte, Marta (CERN) ; Vlachoudis, Vasilis (CERN) et al.
We study the neutron field at the NEAR station of the neutron time-of-flight (n_TOF) facility at CERN, through Monte Carlo simulations, well-characterized static random access memories (SRAMs), and radio-photoluminescence (RPL) dosimeters, with the aim of providing neutrons for electronics irradiation. Particle fluxes and typical quantities relevant for electronics testing were simulated for several test positions at NEAR and compared to those at the CERN high-energy accelerator mixed-field facility (CHARM), highlighting similitudes and differences. [...]
2023 - 9 p.
- Published in : IEEE Trans. Nucl. Sci. 70 (2023) 1587-1595
Fulltext: PDF;
In : European Conference on Radiation and its Effects on Components and Systems, Venice, Italy, 3 - 7 Oct 2022, pp.1587-1595
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Preparing Phase 4 of the n_TOF/CERN facility
/ Stamati, M E (CERN ; Ioannina U.) ; Patronis, N (Ioannina U.) ; Amaducci, S (INFN, LNS) ; Bacak, M (CERN) ; Casanovas, A (Valencia U., IFIC) ; Infantes, F Garcia (CERN ; Granada U.) ; Manna, A (Bologna U. ; INFN, Bologna) ; Mengoni, A (ENEA, Bologna) ; Rodriguez, J A Pavon (CERN ; Seville U.) ; Rodriquez, A J Praena (Granada U.) et al.
After CERN’s Long Shutdown 2, the n_TOF facility infrastructure was largely upgraded. The biggest change is the installation of a new lead spallation target, the performance of which needs to be carefully examined. [...]
2022 - 3 p.
- Published in : Adv. Nucl. Phys. 28 (2022) 109-111
Fulltext: PDF;
In : 29th Symposium of the Hellenic Nuclear Physics Society (HNPS 2021), Athens, Greece, 24 - 25 Sep 2021, pp.109-111
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