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n_TOF Conference Contributions

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2017-06-01
06:01
The CERN n_TOF facility: a unique tool for nuclear data measurement / Mingrone, F (INFN, Bologna ; CERN) ; Aberle, O (CERN) ; Andrzejewski, J (Lodz U.) ; Audouin, L (Orsay, IPN) ; Bécares, V (Madrid, CIEMAT) ; Bacak, M (TU Vienna) ; Balibrea-Correa, J (Madrid, CIEMAT) ; Barbagallo, M (INFN, Bari) ; Barros, S ; Bečvář, F et al.
The study of the resonant structures in neutron-nucleus cross-sections, and therefore of the compound-nucleus reaction mechanism, requires spectroscopic measurements to determine with high accuracy the energy of the neutron interacting with the material under study..
2016 - 12 p. - Published in : EPJ Web Conf. 122 (2016) 05001 Fulltext: PDF;

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2017-05-24
06:44
Geant4 Simulations for the Analysis of (n, $\gamma $ ) Measurements at n_TOF / Lerendegui-Marco, J (Seville U.) ; Guerrero, C (Seville U.) ; Cortés-Giraldo, M A (Seville U.) ; Quesada, J M (Seville U.)
At the n_TOF facility at CERN, the (n, $\gamma $ ) experiments are usually carriedout with a set of C$_{6}$ D$_{6}$ scintillators, a simple setup characterized by a low neutron sensitivity. The drawback of this simple detection setup is an elaborated analysis procedure, the so called Pulse Height Weighting Technique, that requires a manipulation of the experimental detector response. [...]
2016 - 2 p. - Published in : Springer Proc. Phys. 182 (2016) 209-210

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2017-05-11
06:46
Silicon detectors for the neutron flux and beam profile measurements of the n_TOF facility at CERN / Musumarra, Agatino (Catania U. ; INFN, LNS) ; Cosentino, Luigi (INFN, LNS) ; Barbagallo, Massimo (CERN ; INFN, Bari) ; Colonna, Nicola (INFN, Bari) ; Damone, Lucia (INFN, Bari ; Bari U.) ; Pappalardo, Alfio (INFN, LNS) ; Piscopo, Massimo (INFN, LNS) ; Finocchiaro, Paolo (INFN, LNS) /CERN n_TOF
The demand of new and high precision cross section data for neutron-induced reactions is continuously growing, driven by the requirements from several fields of fundamental physics, as well as from nuclear technology, medicine, etc. Several neutron facilities are operational worldwide, and new ones are being built. [...]
2016 - 10 p. - Published in : Int. J. Mod. Phys.: Conf. Ser. 44 (2016) 1660210 External link: Fulltext

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2016-04-14
06:43
The Fission Programme at the CERN n_TOF Facility / Tsinganis, A (Natl. Tech. U., Athens ; CERN) ; Barbagallo, M (INFN, Bari) ; Berthoumieux, E (IRFU, Saclay) ; Calviani, M (CERN) ; Chiaveri, E (CERN) ; Colonna, N (INFN, Bari) ; Diakaki, M (IRFU, Saclay ; Natl. Tech. U., Athens) ; Duran, I (Santiago de Compostela U.) ; Guerrero, C (Seville U. ; CERN) ; Gunsing, F (CERN ; IRFU, Saclay) et al. /n_TOF
Since 2001, the scientific programme of the CERN n_TOF facility has focused mainly on the study of radiative neutron capture reactions, which are of great interest to nuclear astrophysics and on neutron-induced fission reactions, which are of relevance for nuclear technology, as well as essential for the development of theoretical models of fission. In particular, taking advantage of the high instantaneous neutron flux and high energy resolution of the facility, as well as of high-performance detection and acquisition systems, accurate new measurements on several long-lived major and minor actinides, from 232 Th to 245 Cm, have been performed so far. [...]
2015 - 10 p. - Published in : Phys. Procedia 64 (2015) 130-139 Elsevier Open Access article: PDF;
In : Scientific Workshop on Nuclear Fission dynamics and the Emission of Prompt Neutrons and Gamma Rays, Opatija, Hungary, 16 - 18 Sep 2014, pp.130-139

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2015-03-25
10:29
Progress report on work with the 25 GeV proton synchrotron / Cocconi, G (CERN)
1960 - 10 p. - Published in : (1960) , pp. 799-808 Fulltext: PDF;
In : 10th International Conference on High-energy Physics, Rochester, NY, USA, 25 Aug - 1 Sep 1960, pp.799-808

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2015-03-23
08:37
Fission measurements with PPAC detectors using a coincidence technique / Paradela, C (Santiago de Compostela U.) ; Duran, I (Santiago de Compostela U.) ; Tarrio, D (Santiago de Compostela U.) ; Audouin, L (Orsay, IPN) ; Tassan-Got, L (Orsay, IPN) ; Stephan, C (Orsay, IPN) /n_TOF
A fission detection setup based on Parallel Plate Avalanche Counters (PPAC) has been constructed and used at the CERN n_TOF facility. The setup takes advantage of the coincidence detection of both fission fragments to discriminate the background reactions produced by high energy neutrons and it allows obtaining neutron-induced fission cross section up to 1 GeV..
2011 - 5 p. - Published in : 10.1109/ANIMMA.2011.6172860
In : 2nd International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications, Ghent, Belgium, 6 - 9 Jun 2011, pp.6172860

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2015-03-23
08:37
Astrophysics at n_TOF facility at CERN / Tagliente, G (INFN, Bari) ; Abbondanno, U (INFN, Trieste) ; Aerts, G (DAPNIA, Saclay) ; Alvarez, H (Santiago de Compostela U.) ; Alvarez-Velarde, F (Madrid, CIEMAT) ; Andriamonje, S (DAPNIA, Saclay) ; Andrzejewski, J (Lodz U.) ; Audouin, L (Karlsruhe, Forschungszentrum) ; Badurek, G (Vienna, Tech. U.) ; Baumann, P (Strasbourg, IReS) et al. /n_TOF
The neutron time of flight (n_TOF) facility at CERN is a spallation neutron source with white neutron energy spectrum (from thermal to several GeV), covering the full energy range of interest for nuclear astrophysics, in particular for measurement s of the neutron capture cross section required in s-process nucleosynthesis. This contribution presents an overview on the astrophysical program carried on at the n_TOF facility, the main results and their implications..
2011 - 4 p. - Published in : J. Phys.: Conf. Ser. 312 (2011) 042024

In : International Nuclear Physics Conference 2010, Vancouver, Canada, 4 - 9 Jul 2010, pp.042024

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2014-12-09
13:25
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 / Mendoza, E (Madrid, CIEMAT) ; Balibrea, J (Madrid, CIEMAT) ; Cano-Ott, D (Madrid, CIEMAT) ; Guerrero, C (CERN) ; Berthoumieux, E (Saclay) ; Altstadt, S (Goethe U., Frankfurt (main)) ; Andrzejewski, J (Lodz U.) ; Audouin, L (Orsay, IPN) ; Barbagallo, M (INFN, Bari) ; Bécares, V (Madrid, CIEMAT) et al.
Actual and future nuclear technologies require more accurate nuclear data on the (n, $\gamma$) cross sections and $\alpha$-ratios of fissile isotopes. Their measurement presents several difficulties, mainly related to the strong fission $\gamma$-ray background competing with the weaker $\gamma$-ray cascades used as the experimental signature of the (n, $\gamma$) process. [...]
2014 Published version from CERN: PDF;
In : European Research Infrastructures for Nuclear Data Applications (ERINDA) workshop, CERN, Geneva, Switzerland, 1 - 3 Oct 2013, pp.127-133

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2014-12-09
12:38
Measurement of the $^{240,242}$Pu(n,f) cross section at the CERN n_TOF facility / Tsinganis, A (Natl. Tech. U., Athens ; CERN) ; Berthoumieux, E (Saclay) ; Guerrero, C (CERN) ; Colonna, N (INFN, Bari) ; Calviani, M (CERN) ; Vlastou, R (Natl. Tech. U., Athens) ; Andriamonje, S (CERN) ; Vlachoudis, V (CERN) ; Gunsing, F (Saclay) ; Massimi, C (Bologna U., Dept. Astron. ; INFN, Bologna) et al.
Knowledge of neutron cross sections of various plutonium isotopes and other minor actinides is crucial for the design of advanced nuclear systems. The $^{240 , 242}$Pu(n,f) cross sections were measured at the CERN n_TOF facility, taking advantage of the wide energy range (from thermal to GeV) and the high instantaneous f ux of the neutron beam. [...]
2014 Published version from CERN: PDF;
In : European Research Infrastructures for Nuclear Data Applications (ERINDA) workshop, CERN, Geneva, Switzerland, 1 - 3 Oct 2013, pp.95-102

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2014-11-27
12:51
Study of the $^{234}$U(n,f) fission fragment angular distribution at the CERN n_TOF facility / Cidoncha-Leal, E (Chile U., Santiago) ; Durán, I (Chile U., Santiago) ; Paradela, C (Chile U., Santiago) ; Tarrío, D (Chile U., Santiago ; Uppsala U.) ; Leong, L S (CNRS, France ; Orsay, IPN) ; Audouin, L (CNRS, France ; Orsay, IPN) ; Tassan-Got, L (CNRS, France ; Orsay, IPN) ; Altstadt, S (Goethe U., Frankfurt (main)) ; Andrzejewski, J (Lodz U.) ; Barbagallo, M (INFN, Bari) et al.
The angular distribution of the f ssion fragments (FFAD) produced in neutron- induced reactions of actinides have been measured with a f ssion detection setup based on parallel-plate avalanche counters (PPACs) at the Neutron Time- Of-Flight (n_TOF) facility at CERN. The main features of the setup and pre- liminary results are reported here forthe 234 U(n,f)reaction measurement show- ing a high concordance with previous data, while providing new results up to 100 MeV..
2014 Published version from CERN: PDF;
In : European Research Infrastructures for Nuclear Data Applications (ERINDA) workshop, CERN, Geneva, Switzerland, 1 - 3 Oct 2013, pp.65-71

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