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n_TOF Conference Contributions

Derniers ajouts:
2023-10-26
08:44
Recent highlights and prospects on (n,$\gamma$) measurements at the CERN n_TOF facility / n_TOF Collaboration
Neutron capture cross-section measurements are fundamental in the study of the slow neutron capture (s-) process of nucleosynthesis and for the development of innovative nuclear technologies. [...]
arXiv:2310.15714.
- 7 p.
Fulltext

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2023-10-10
08:36
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.
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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2023-06-09
06:02
First $^{80}$Se(n,$\gamma$) cross section measurement with high resolution in the full stellar energy range 1 eV - 100 keV and its astrophysical implications for the s-process / n_TOF Collaboration
Most elements heavier than iron have been generated in the stellar media by means of neutron capture reactions, approximately half are produced by the slow neutron capture or s-process. Radiative neutron capture cross section measurements are of fundamental importance for the study of this mechanism. [...]
2022 - 8 p. - Published in : EPJ Web Conf. 260 (2022) 11026 Fulltext: PDF;
In : 16th International Symposium on Nuclei in the Cosmos, Chengdu, China, 21 - 25 Sep 2021, pp.11026

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2023-06-07
06:30
NEAR at n_TOF/CERN: Preparing the first multi-foil activation measurement / Goula, S (Ioannina U.) ; Patronis, N (Ioannina U.) ; Stamati, M E (Ioannina U. ; CERN) ; Chasapoglou, S (Natl. Tech. U., Athens) ; Diakaki, M (Natl. Tech. U., Athens) ; Colonna, N (INFN, Bari) ; Eleme, Z (Ioannina U.) ; Georgali, E (Ioannina U.) ; Kokkoris, M (Natl. Tech. U., Athens) ; Mengoni, A (ENEA, Bologna) et al.
The n_TOF facility at CERN is a neutron Time-Of-Flight facility based on a spallation neutron source. During the Second Long Shutdown (LS2) , a new experimental zone was designed and delivered. [...]
2022 - 6 p. - Published in : Adv. Nucl. Phys. 28 (2022) 117-122 Fulltext: PDF;
In : 29th Symposium of the Hellenic Nuclear Physics Society (HNPS 2021), Athens, Greece, 24 - 25 Sep 2021, pp.117-122

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2023-06-07
06:30
Measurement of the $^{230}$Th(n,f) cross-section at the CERN n_TOF facility / Michalopoulou, V (Natl. Tech. U., Athens ; CERN) ; Diakaki, M (Natl. Tech. U., Athens) ; Eleme, Z (Ioannina U.) ; Kokkoris, M (Natl. Tech. U., Athens) ; Patronis, N (Ioannina U.) ; Stamatopoulos, A (Natl. Tech. U., Athens) ; Tsinganis, A (Geel, JRC) ; Kyritsis, N (Natl. Tech. U., Athens) ; Vlastou, R (Natl. Tech. U., Athens) /n_TOF Collaboration
The study of neutron induced reactions on actinides is of great importance both for the design of advanced nuclear systems and for fundamental research. The design of Generation IV reactors, Accelerator Driven Systems (ADS), as well as the study of alternative fuel cycles, such as the thorium fuel cycle, highlight the need for accurate cross-section data. [...]
2022 - 6 p. - Published in : Adv. Nucl. Phys. 28 (2022) 148-153 Fulltext: PDF;
In : 29th Symposium of the Hellenic Nuclear Physics Society (HNPS 2021), Athens, Greece, 24 - 25 Sep 2021, pp.148-153

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2023-06-07
06:30
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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2023-05-05
06:18
Neutron Irradiation of Si-PIN Diodes and Laser Injection Equivalence / Ascázubi, Ricardo ; Palomo, F Rogelio (Seville U.) ; Navarrete-Larive, Victoria (Seville U.) ; Quesada, Jose Manuel (Seville U.) ; Cortés-Giraldo, Miguel Antonio (Seville U.) ; Pavón-Rodriguez, Jose Antonio (CERN)
Neutron irradiation of Silicon-PIN diodes has been performed at the n_TOF facility at CERN. [...]
2023. - 4 p.

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2023-03-17
04:31
New perspectives for neutron capture measurements in the upgraded CERN-n_TOF Facility / n_TOF Collaboration
The n_TOF facility has just undergone in 2021 a major upgrade with the installation of its third generation spallation target that has been designed to optimize the performance of the two n_TOF time-of-flight lines. This contribution describes the key features and limitations for capture measurements in the two beam lines prior to the target upgrade and presents first results of (n,$\gamma$) measurements carried out as part of the commissioning of the upgraded facility. [...]
arXiv:2303.08724.- 2023 - 6 p. - Published in : 10.1051/epjconf/202328401028 Fulltext: document - PDF; 2303.08724 - PDF;
In : 15th International Conference on Nuclear Data for Science and Technology, Online, 21 - 29 Jul 2022

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2023-03-17
04:29
New detection systems for an enhanced sensitivity in key stellar (n,$\gamma$) measurements / n_TOF Collaboration
Neutron capture cross-section measurements are fundamental in the study of astrophysical phenomena, such as the slow neutron capture (s-) process of nucleosynthesis operating in red-giant and massive stars. However, neutron capture measurements via the time-of-flight (TOF) technique on key $s$-process nuclei are often challenging. [...]
arXiv:2303.08701.- 2023 - 7 p. - Published in : EPJ Web Conf. 279 (2023) 13001 Fulltext: 2303.08701 - PDF; document - PDF;
In : 10th Conference on Nuclear Physics in Astrophysics (NPA-X 2022), CERN, Geneva, Switzerland, 4 - 9 Sep 2022, pp.13001

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2023-01-28
06:02
First measurement of the $^{94}$Nb($n$,$\gamma$) cross section at the CERN n_TOF facility / n_TOF Collaboration
One of the crucial ingredients for the improvement of stellar models is the accurate knowledge of neutron capture cross-sections for the different isotopes involved in the $s$-,$r$- and $i$- processes. These measurements can shed light on existing discrepancies between observed and predicted isotopic abundances and help to constrain the physical conditions where these reactions take place along different stages of stellar evolution.In the particular case of the radioactive $^{94}$Nb, the $^{94}$Nb($n$,$\gamma$) cross-section could play a role in the determination of the $s$-process production of $^{94}$Mo in AGB stars, which presently cannot be reproduced by state-of-the-art stellar models. [...]
arXiv:2301.11199.- 2023 - 8 p.
- Published in : EPJ Web Conf.: 279 (2023) , pp. 06004 Fulltext: 2301.11199 - PDF; document - PDF; Publication - PDF;
In : 10th Conference on Nuclear Physics in Astrophysics (NPA-X 2022), CERN, Geneva, Switzerland, 4 - 9 Sep 2022, pp.06004

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