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Towards a new generation of solid total-energy detectors for neutron-capture time-of-flight experiments with intense neutron beams
/ Balibrea-Correa, J. (Valencia U. ; Valencia U., IFIC) ; Babiano-Suarez, V. (Valencia U. ; Barcelona, Polytechnic U.) ; Lerendegui-Marco, J. (Valencia U. ; Valencia U., IFIC) ; Domingo-Pardo, C. (Valencia U. ; Valencia U., IFIC) ; Ladarescu, I. (Valencia U. ; Valencia U., IFIC) ; Tarifeño-Saldivia, A. (Valencia U. ; Valencia U., IFIC) ; de la Fuente-Rosales, G. (Valencia U. ; Valencia U., IFIC) ; Gameiro, B. (Valencia U. ; Valencia U., IFIC) ; Zaitseva, N. (LLNL, Livermore) ; Alcayne, V. (Madrid, CIEMAT) et al.
Challenging neutron-capture cross-section measurements of small cross sections and samples with a very limited number of atoms require high-flux time-of-flight facilities. In turn, such facilities need innovative detection setups that are fast, have low sensitivity to neutrons, can quickly recover from the so-called $\gamma$-flash, and offer the highest possible detection sensitivity. [...]
arXiv:2411.18969.-
2024-11-30 - 24 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1072 (2025) 170110
Fulltext: Publication - PDF; 2411.18969 - PDF;
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Results of the $^{244}$Cm, $^{246}$Cm and $^{248}$Cm neutron-induced capture cross sections measurements at EAR1 and EAR2 of the n_TOF facility
/ nTOF Collaboration
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, critical fast reactors like Gen-IV systems, and other innovative reactor systems such as accelerator driven systems (ADS). In particular, 244Cm, 246Cm and 248Cm play a role in the transport, storage and transmutation of the nuclear waste of the current nuclear reactors, due to the contribution of these isotopes to the radiotoxicity, neutron emission, and decay heat in the spent nuclear fuel. [...]
2023 - 6 p.
- Published in : EPJ Web Conf. 284 (2023) 01009
Fulltext: PDF;
In : 15th International Conference on Nuclear Data for Science and Technology, Online, 21 - 29 Jul 2022, pp.01009
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Detector set up for the measurements of the neutron-induced fission cross section of $^{235}$U relative to n-p scattering up to 150 MeV at CERN-n_TOF
/ Pirovano, E (Braunschweig, Phys. Tech. Bund.) ; Manna, A (INFN, Bologna ; U. Bologna, DIFA) ; Colonna, N (INFN, Bari) ; Console Camprini, P (INFN, Bologna ; ENEA, Bologna) ; Cosentino, L (INFN, LNS) ; Dietz, M (Braunschweig, Phys. Tech. Bund.) ; Ducasse, Q (Braunschweig, Phys. Tech. Bund.) ; Finocchiaro, P (INFN, LNS) ; Massimi, C (INFN, Bologna ; U. Bologna, DIFA) ; Mengoni, A (INFN, Bologna ; ENEA, Bologna) et al.
A new measurement of the $^{235}$U(n,f) fission cross section was carried out at n_TOF. The experiment covered the neutron energy range from 10 MeV up to 500 MeV, and it used the 1H(n,n) cross section as normalization for the neutron fluence measurement. [...]
2023 - 5 p.
- Published in : EPJ Web Conf. 284 (2023) 04019
Fulltext: PDF;
In : 15th International Conference on Nuclear Data for Science and Technology, Online, 21 - 29 Jul 2022, pp.04019
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Compton imaging for enhanced sensitivity (n,γ) cross section TOF experiments: Status and prospects
/ n_TOF Collaboration
Radiative neutron-capture cross sections are of pivotal importance in many fields such as nucle-osynthesis studies or innovative reactor technologies. A large number of isotopes have been measured with high accuracy, but there are still a large number of relevant isotopes whose cross sections could not be experimentally determined yet, at least with sufficient accuracy and completeness, owing to limitations in detection techniques, sample production methods or in the facilities themselves.In the context of the HYMNS (High-sensitivitY Measurements of key stellar Nucleo-Synthesis reactions) project over the last six years we have developed a novel detection technique aimed at background suppression in radiative neutron-capture time-of-flight measurements. [...]
2023 - 5 p.
- Published in : EPJ Web Conf. 284 (2023) 01018
Fulltext: PDF;
In : 15th International Conference on Nuclear Data for Science and Technology, Online, 21 - 29 Jul 2022, pp.01018
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