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Measurement and analysis of the $^{241}$Am neutron capture cross section at the n_TOF facility at CERN
/ Mendoza, E (Madrid, CIEMAT) ; Cano-Ott, D (Madrid, CIEMAT) ; Altstadt, S (Goethe U., Frankfurt (main)) ; Andriamonje, S (IRFU, Saclay) ; Andrzejewski, J (Lodz U.) ; Audouin, L (Orsay, IPN) ; Balibrea, J (Madrid, CIEMAT) ; Bécares, V (Madrid, CIEMAT) ; Barbagallo, M (INFN, Bari) ; Bečvář, F (Charles U.) et al.
/n_TOF
The Am241(n,γ) cross section has been measured at the n_TOF facility at CERN with the n_TOF BaF2 Total Absorption Calorimeter in the energy range between 0.2 eV and 10 keV. Our results are analyzed as resolved resonances up to 700 eV, allowing a more detailed description of the cross section than in the current evaluations, which contain resolved resonances only up to 150–160 eV. [...]
2018 - 21 p.
- Published in : Phys. Rev. C 97 (2018) 054616
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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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5.
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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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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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7.
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Experiments with neutron beams for the astrophysical s process
/ Lederer, C (Frankfurt U. ; Vienna U. ; Edinburgh U.) ; Altstadt, S (Frankfurt U.) ; Andrzejewski, J (Lodz U.) ; Audouin, L (Orsay, IPN) ; Barbagallo, M (INFN, Bari) ; Bécares, V (Madrid, CIEMAT) ; Bečvář, F (Charles U.) ; Belloni, F (Saclay) ; Berthoumieux, E (Saclay ; CERN) ; Billowes, J (Manchester U.) et al.
Neutron capture cross sections are the key nuclear physics input to study the slow neutron capture process, which is responsible for forming about half of the elemental abundances above Fe. Stellar neutron capture cross section can be measured by the time-of-flight technique, or by activation. [...]
2016
- Published in : J. Phys.: Conf. Ser. 665 (2016) 012020
Fulltext: PDF;
In : 6th Nuclear Physics in Astrophysics and 26th International Nuclear Physics Divisional Conference of the European Physical Society, Lisbon, Portugal, 19 - 24 May 2013, pp.012020
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Measurement of the $^{238}\mathrm{U}(n,\gamma)$ cross section up to 80 keV with the Total Absorption Calorimeter at the CERN n_TOF facility
/ Wright, T (Manchester U.) ; Guerrero, C (CERN ; Seville U.) ; Billowes, J (Manchester U.) ; Cano-Ott, D (Madrid, CIEMAT) ; Mendoza, E (Madrid, CIEMAT) ; Altstadt, S (Goethe U., Frankfurt (main)) ; Andrzejewski, J (Lodz U.) ; Audouin, L (Orsay, IPN) ; Bécares, V (Madrid, CIEMAT) ; Barbagallo, M (INFN, Bari) et al.
/n_TOF
The radiative capture cross section of a highly pure (99.999%), 6.125(2) grams and $9.56(5) \times 10^{−4}$ atoms/barn areal density $^{238}$U sample has been measured with the Total Absorption Calorimeter (TAC) in the 185 m flight path at the CERN neutron time-of-flight facility n_TOF. This measurement is in response to the NEA High Priority Request list, which demands an accuracy in this cross section of less than 3% below 25 keV. [...]
2017 - 11 p.
- Published in : Phys. Rev. C 96 (2017) 064601
Fulltext: PDF;
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Integral measurement of the $^{12}$C(n,p)$^{12}$B reaction up to 10 GeV
/ Žugec, P. (Zagreb U., Phys. Dept.) ; Colonna, N. (INFN, Bari) ; Bosnar, D. (Zagreb U., Phys. Dept.) ; Ventura, A. (INFN, Bologna) ; Mengoni, A. (ENEA, Bologna) ; Altstadt, S. (Frankfurt U.) ; Andrzejewski, J. (Lodz U.) ; Audouin, L. (Orsay, IPN) ; Barbagallo, M. (INFN, Bari) ; Bécares, V. (Madrid, CIEMAT) et al.
The integral measurement of the $^{12}$C(n,p)$^{12}$B reaction was performed at the neutron time of flight facility n_TOF at CERN. The total number of $^{12}$B nuclei produced per neutron pulse of the n_TOF beam was determined using the activation technique in combination with a time of flight technique. [...]
arXiv:1604.05749.-
2016-04-22 - 14 p.
- Published in : Eur. Phys. J. A 52 (2016) 101
Fulltext: PDF; External link: Preprint
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10.
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Integral cross section measurement of the $^{12}$C(n,p)$^{12}$B reaction
/ Zugec, P (Seville U.) ; Colonna, N (INFN, Bari) ; Bosnar, D (Zagreb U., Phys. Dept.) ; Ventura, A (INFN, Bologna) ; Mengoni, A (ENEA, Bologna) ; Altstadt, S (Goethe U., Frankfurt (main)) ; Andrzejewski, J (U. Lodz (main)) ; Audouin, L (Orsay, IPN) ; Barbagallo, M (INFN, Bari) ; Bécares, V (Madrid, CIEMAT) 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.275
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