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These collections contains nTOF related documents.

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n_TOF Conference Contributions

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2018-05-01
07:09
The n_TOF facility: Neutron beams for challenging future measurements at CERN / Chiaveri, E (CERN ; U. Manchester (main) ; Seville U.) ; Aberle, O (CERN) ; Andrzejewski, J ; Audouin, L ; Bacak, M (CERN ; TU Vienna ; IRFU, Saclay) ; Balibrea, J ; Barbagallo, M ; Bečvář, F ; Berthoumieux, E ; Billowes, J et al.
The CERN n_TOF neutron beam facility is characterized by a very high instantaneous neutron flux, excellent TOF resolution at the 185 m long flight path (EAR-1), low intrinsic background and coverage of a wide range of neutron energies, from thermal to a few GeV. These characteristics provide a unique possibility to perform high-accuracy measurements of neutron-induced reaction cross-sections and angular distributions of interest for fundamental and applied Nuclear Physics. [...]
2017 - 4 p. - Published in : EPJ Web Conf. 146 (2017) 03001 Fulltext: PDF; External link: Fulltext
In : ND 2016 International Conference on Nuclear Data for Science and Technology, Bruges, Belgium, 11 - 16 Sep 2016, pp.03001

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2018-05-01
07:09
$^7 \text{Be(n,} \alpha)$ and $^7 \text{Be(n,p)}$ cross-section measurement for the cosmological lithium problem at the n_TOF facility at CERN / Barbagallo, M (CERN) ; Colonna, N ; Aberle, O (CERN) ; Andrzejewski, J ; Audouin, L ; Bécares, V ; Bacak, M ; Balibrea, J ; Barros, S ; Bečvář, F et al. /n_TOF
The Cosmological Lithium Problem refers to the large discrepancy between the abundance of primordial $^7$Li predicted by the standard theory of Big Bang Nucleosynthesis and the value inferred from the so-called “Spite plateau” in halo stars. A possible explanation for this longstanding puzzle in Nuclear Astrophysics is related to the incorrect estimation of the destruction rate of $^7$Be, which is responsible for the production of 95% of primordial Lithium. [...]
2017 - 4 p. - Published in : EPJ Web Conf. 146 (2017) 01012 Fulltext: PDF; External link: Fulltext
In : ND 2016 International Conference on Nuclear Data for Science and Technology, Bruges, Belgium, 11 - 16 Sep 2016, pp.01012

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2018-04-28
06:24
The $^{236}$U neutron capture cross-section measured at the n_TOF CERN facility / Mastromarco, M (INFN, Bari) ; Barbagallo, M (INFN, Bari) ; Vermeulen, M J (U. York (main)) ; Colonna, N (INFN, Bari) ; Altstadt, S (Goethe U., Frankfurt (main)) ; Andrzejewski, J (U. Lodz (main)) ; Audouin, L (Orsay, IPN) ; Bécares, V (Madrid, CIEMAT) ; Bečvář, F (Charles U., Prague (main)) ; Belloni, F (IRFU, Saclay) et al. /n_TOF
The $^{236}$U isotope plays an important role in nuclear systems, both for future and currently operating ones. The actual knowledge of the capture reaction of this isotope is satisfactory in the thermal region, but it is considered insufficient for Fast Reactor and ADS applications. [...]
2017 - 4 p. - Published in : EPJ Web Conf. 146 (2017) 11054 Fulltext: PDF; External link: Fulltext
In : ND 2016 International Conference on Nuclear Data for Science and Technology, Bruges, Belgium, 11 - 16 Sep 2016, pp.11054

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2018-04-28
06:24
The measurement programme at the neutron time-of-flight facility n_TOF at CERN / Gunsing, F (IRFU, Saclay ; CERN) ; Aberle, O (CERN) ; Andrzejewski, J ; Audouin, L ; Bécares, V ; Bacak, M (IRFU, Saclay ; CERN ; TU Vienna) ; Balibrea-Correa, J ; Barbagallo, M ; Barros, S ; Bečvář, F et al. /n_TOF
Neutron-induced reaction cross sections are important for a wide variety of research fields ranging from the study of nuclear level densities, nucleosynthesis to applications of nuclear technology like design, and criticality and safety assessment of existing and future nuclear reactors, radiation dosimetry, medical applications, nuclear waste transmutation, accelerator-driven systems and fuel cycle investigations. Simulations and calculations of nuclear technology applications largely rely on evaluated nuclear data libraries. [...]
2017 - 6 p. - Published in : EPJ Web Conf. 146 (2017) 11002 Fulltext: PDF; External link: Fulltext
In : ND 2016 International Conference on Nuclear Data for Science and Technology, Bruges, Belgium, 11 - 16 Sep 2016, pp.11002

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2018-04-28
06:24
Measurement of the $^{241}$Am neutron capture cross section at the n_TOF facility at CERN / Mendoza, E (Madrid, CIEMAT) ; Cano-Ott, D ; Altstadt, S ; Andriamonje, S ; Andrzejewski, J ; Audouin, L ; Balibrea, J ; Bécares, V ; Barbagallo, M ; Bečvář, F et al. /n_TOF
New neutron cross section measurements of minor actinides have been performed recently in order to reduce the uncertainties in the evaluated data, which is important for the design of advanced nuclear reactors and, in particular, for determining their performance in the transmutation of nuclear waste. We have measured the $^{241} \text{Am(n}, \gamma)$ cross section at the n_TOF facility between 0.2 eV and 10 keV with a BaF$_2$ Total Absorption Calorimeter, and the analysis of the measurement has been recently concluded. [...]
2017 - 4 p. - Published in : EPJ Web Conf. 146 (2017) 11022 Fulltext: PDF;
In : ND 2016 International Conference on Nuclear Data for Science and Technology, Bruges, Belgium, 11 - 16 Sep 2016, pp.11022

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2018-04-28
06:24
The $^{33} \text{S(n,} \alpha)^{30} \text{Si}$ cross section measurement at n_TOF-EAR2 (CERN): From 0.01 eV to the resonance region / Sabaté-Gilarte, M (CERN ; Seville U.) ; Praena, J ; Porras, I ; Quesada, J M ; Aberle, O (CERN) ; Andrzejewski, J ; Audouin, L ; Bécares, V ; Bacak, M ; Balibrea-Correa, J et al. /n_TOF
The $^{33} \text{S(n,} \alpha)^{30} \text{Si}$ cross section measurement, using $^{10} \text{B(n,} \alpha)$ as reference, at the n_TOF Experimental Area 2 (EAR2) facility at CERN is presented. Data from 0.01 eV to 100 keV are provided and, for the first time, the cross section is measured in the range from 0.01 eV to 10 keV. [...]
2017 - 4 p. - Published in : EPJ Web Conf. 146 (2017) 08004 Fulltext: PDF; External link: Fulltext
In : ND 2016 International Conference on Nuclear Data for Science and Technology, Bruges, Belgium, 11 - 16 Sep 2016, pp.08004

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2018-04-28
06:24
Dissemination of data measured at the CERN n_TOF facility / Dupont, E (IRFU, Saclay) ; Otuka, N ; Cabellos, O ; Aberle, O (CERN) ; Aerts, G ; Altstadt, S ; Alvarez, H ; Alvarez-Velarde, F ; Andriamonje, S ; Andrzejewski, J et al. /n_TOF
The n_TOF neutron time-of-flight facility at CERN is used for high quality nuclear data measurements from thermal energy up to hundreds of MeV. In line with the CERN open data policy, the n_TOF Collaboration takes actions to preserve its unique data, facilitate access to them in standardised format, and allow their re-use by a wide community in the fields of nuclear physics, nuclear astrophysics and various nuclear technologies. [...]
2017 - 4 p. - Published in : EPJ Web Conf. 146 (2017) 07002 Fulltext: PDF; External link: Fulltext
In : ND 2016 International Conference on Nuclear Data for Science and Technology, Bruges, Belgium, 11 - 16 Sep 2016, pp.07002

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2018-04-28
06:24
Measurement of the $^{240} \text{Pu(n,f)}$ cross-section at the CERN n_TOF facility: First results from experimental area II (EAR-2) / Stamatopoulos, A (Natl. Tech. U., Athens) ; Tsinganis, A (Natl. Tech. U., Athens ; CERN) ; Colonna, N ; Vlastou, R ; Kokkoris, M ; Schillebeeckx, P ; Plompen, A ; Heyse, J ; Žugec, P ; Barbagallo, M et al.
The accurate knowledge of the neutron-induced fission cross-sections of actinides and other isotopes involved in the nuclear fuel cycle is essential for the design of advanced nuclear systems, such as Generation-IV nuclear reactors. Such experimental data can also provide the necessary feedback for the adjustment of nuclear model parameters used in the evaluation process, resulting in the further development of nuclear fission models. [...]
2017 - 4 p. - Published in : EPJ Web Conf. 146 (2017) 04030 Fulltext: PDF; External link: Fulltext
In : ND 2016 International Conference on Nuclear Data for Science and Technology, Bruges, Belgium, 11 - 16 Sep 2016, pp.04030

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2018-04-27
07:11
New measurement of the $^{242} \text{Pu}(n, \gamma)$ cross section at n_TOF-EAR1 for MOX fuels: Preliminary results in the RRR / Lerendegui-Marco, J (Seville U.) ; Guerrero, C ; Cortés-Giraldo, M A ; Quesada, J M ; Mendoza, E ; Cano-Ott, D ; Eberhardt, K ; Junghans, A ; Aberle, O (CERN) ; Andrzejewski, J et al. /n_TOF
The spent fuel of current nuclear reactors contains fissile plutonium isotopes that can be combined with 238U to make mixed oxide (MOX) fuel. In this way the Pu from spent fuel is used in a new reactor cycle, contributing to the long-term sustainability of nuclear energy. [...]
2017 - 4 p. - Published in : EPJ Web Conf. 146 (2017) 11045 Fulltext: PDF; External link: Fulltext
In : ND 2016 International Conference on Nuclear Data for Science and Technology, Bruges, Belgium, 11 - 16 Sep 2016, pp.11045

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2018-04-27
07:11
Monte carlo simulations of the n_TOF lead spallation target with the Geant4 toolkit: A benchmark study / Lerendegui-Marco, J (Seville U.) ; Cortés-Giraldo, M A (Seville U.) ; Guerrero, C (Seville U.) ; Quesada, J M (Seville U.) ; Lo Meo, S (ENEA, Bologna ; INFN, Bologna) ; Massimi, C (INFN, Bologna ; Bologna U.) ; Barbagallo, M (INFN, Bari) ; Colonna, N (INFN, Bari) ; Mancussi, D (IRFU, Saclay) ; Mingrone, F (CERN) et al. /n_TOF
Monte Carlo (MC) simulations are an essential tool to determine fundamental features of a neutron beam, such as the neutron flux or the γ-ray background, that sometimes can not be measured or at least not in every position or energy range. Until recently, the most widely used MC codes in this field had been MCNPX and FLUKA. [...]
2017 - 4 p. - Published in : EPJ Web Conf. 146 (2017) 03030 Fulltext: PDF; External link: Fulltext
In : ND 2016 International Conference on Nuclear Data for Science and Technology, Bruges, Belgium, 11 - 16 Sep 2016, pp.03030

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