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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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High precision measurement of the radiative capture cross section of $^{238}$U at the n_TOF CERN facility
/ Mingrone, F (CERN ; INFN, Bologna) ; Altstadt, S (Goethe U., Frankfurt (main)) ; Andrzejewski, J (U. Lodz (main)) ; Audouin, L (Orsay, IPN) ; Bécares, V (Madrid, CIEMAT) ; Barbagallo, M (INFN, Bari) ; Bečvář, F (Charles U., Prague (main)) ; Belloni, F (IRFU, Saclay) ; Berthoumieux, E (IRFU, Saclay) ; Billowes, J (U. Manchester (main)) et al.
/n_TOF
The importance of improving the accuracy on the capture cross-section of $^{238}$U has been addressed by the Nuclear Energy Agency, since its uncertainty significantly affects the uncertainties of key design parameters for both fast and thermal nuclear reactors. Within the 7th framework programme ANDES of the European Commission three different measurements have been carried out with the aim of providing the $^{238} \text{U(n,}\gamma)$ cross-section with an accuracy which varies from 1 to 5%, depending on the energy range. [...]
2017 - 4 p.
- Published in : EPJ Web Conf. 146 (2017) 11028
Fulltext: PDF; External link: Fulltext
In : ND 2016 International Conference on Nuclear Data for Science and Technology, Bruges, Belgium, 11 - 16 Sep 2016, pp.11028
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Capture Cross Section of 236U: the n_TOF Results
/ Barbagallo, M (INFN, Bari) ; Colonna, N (INFN, Bari) ; Vermeulen, M J (U. York (main)) ; Altstadt, S (Frankfurt U) ; Andrzejewski, J (U. Lodz (main)) ; Audouin, L (Orsay, IPN) ; Bécares, V (Madrid, CIEMAT) ; Bečvář, F (Charles U., Prague (main)) ; Belloni, F (Saclay) ; Berthoumieux, E (Saclay ; CERN) et al.
Neutron induced capture cross section on U-236 has been measured with high accuracy and high resolution at n\_TOF, in order to improve data libraries needed for the development of advanced nuclear reactors. Preliminary results obtained with two different detection systems are reported..
2014 - 3.
- Published in : Nucl. Data Sheets 119 (2014) 45-47
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Neutron capture and total cross-section measurements on $^{94,95,96}$Mo at n_TOF and GELINA
/ n_TOF Collaboration
Capture and total cross section measurements for 94,95,96Mo have been performed at the neutron time-of-flight facilities, n_TOF at CERN and GELINA at JRC-Geel. The measurements were performed using isotopically enriched samples with an enrichment above 95% for each of the 94,95,96Mo isotopes. [...]
2023 - 4 p.
- Published in : EPJ Web Conf. 284 (2023) 01031
Fulltext: PDF;
In : 15th International Conference on Nuclear Data for Science and Technology, Online, 21 - 29 Jul 2022, pp.01031
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The new vertical neutron beam line at the CERN n_TOF facility design and outlook on the performance
/ n_TOF Collaboration
At the neutron time-of-flight facility n_TOF at CERN a new vertical beam line was constructed in 2014, in order to extend the experimental possibilities at this facility to an even wider range of challenging cross-section measurements of interest in astrophysics, nuclear technology and medical physics. The design of the beam line and the experimental hall was based on FLUKA Monte Carlo simulations, aiming at maximizing the neutron flux, reducing the beam halo and minimizing the background from neutrons interacting with the collimator or back-scattered in the beam dump..
2015 - 9 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 799 (2015) 90-98
Elsevier Open Access article: PDF;
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Measurement of the $^{240}$Pu(n,f) cross-section at the CERN n_TOF facility: first results from EAR-2
/ Tsinganis, A (CERN ; Natl. Tech. U., Athens) ; Stamatopoulos, A (Natl. Tech. U., Athens) ; Colonna, N (INFN, Bari) ; Vlastou, R (Natl. Tech. U., Athens) ; Schillebeeckx, P (Geel, JRC) ; Plompen, A (Geel, JRC) ; Heyse, J (Geel, JRC) ; Kokkoris, M (Natl. Tech. U., Athens) ; Barbagallo, M (INFN, Bari) ; Berthoumieux, E (IRFU, Saclay) et al.
Geneva : CERN, 2015
Published version from CERN: PDF;
In : 14th International Conference on Nuclear Reaction Mechanisms, Villa Monastero, Varenna, Italy, 15 - 19 Jun 2015, pp.21
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Measurement of the neutron capture cross section of the fissile isotope $^{235}$U with the CERN n_TOF total absorption calorimeter and a fission tagging based on micromegas detectors
/ Balibrea-Correa, J (Madrid, CIEMAT) ; Mendoza, E (Madrid, CIEMAT) ; Cano-Ott, D (Madrid, CIEMAT) ; Krtička, M (Charles U., Prague (main)) ; Altstadt, S (Goethe U., Frankfurt (main)) ; Andrzejewski, J (U. Lodz (main)) ; Audouin, L (Orsay, IPN) ; Bécares, V (Madrid, CIEMAT) ; Barbagallo, M (INFN, Bari) ; Bečvář, F (Charles U., Prague (main)) et al.
/n_TOF
The accuracy on neutron capture cross section of fissile isotopes must be improved for the design of future nuclear systems such as Gen-IV reactors and Accelerator Driven Systems. The High Priority Request List of the Nuclear Energy Agency, which lists the most important nuclear data requirements, includes also the neutron capture cross sections of fissile isotopes such as $^{233,235}$U and $^{239,241}$Pu. [...]
2017 - 4 p.
- Published in : EPJ Web Conf. 146 (2017) 11021
Fulltext: PDF;
In : ND 2016 International Conference on Nuclear Data for Science and Technology, Bruges, Belgium, 11 - 16 Sep 2016, pp.11021
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Measurement of the angular distribution of fission fragments using a PPAC assembly at CERN n_TOF
/ Tarrío, D (U. Santiago de Compostela (main)) ; Leong, L S (CNRS, France ; Orsay, IPN) ; Audouin, L (CNRS, France ; Orsay, IPN) ; Duran, I (U. Santiago de Compostela (main)) ; Paradela, C (U. Santiago de Compostela (main)) ; Tassan-Got, L (CNRS, France ; Orsay, IPN) ; Le Naour, C (CNRS, France ; Orsay, IPN) ; Bacri, C O (CNRS, France ; Orsay, IPN) ; Petitbon, V (CNRS, France ; Orsay, IPN) ; Mottier, J (CNRS, France ; Orsay, IPN) et al.
A fission reaction chamber based on Parallel Plate Avalanche Counters (PPACs) was built for measuring angular distributions of fragments emitted in neutron-induced fission of actinides at the neutron beam available at the Neutron Time-Of-Flight (n_TOF) facility at CERN. The detectors and the samples were tilted 45 1 with respect to the neutron beam direction to cover all the possible values of the emission angle of the fission fragments [...]
2014 - 7 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 743 (2014) 79-85
Elsevier Open Access article: PDF;
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