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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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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 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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Recent Results In Nuclear Astrophysics At The n_TOF Facility At CERN
/ Tagliente, Giuseppe (INFN, Bari) ; Aberle, O (CERN) ; Andrzejewski, J (Lodz U.) ; Audouin, L (Orsay, IPN) ; Bacak, M (Vienna, Tech. U. ; CERN ; IRFU, Saclay) ; Balibrea, J (Madrid, CIEMAT) ; Barbagallo, M (INFN, Bari) ; Bečvář, F (Charles U.) ; Berthoumieux, E (IRFU, Saclay) ; Billowes, J (Manchester U.) et al.
/n_TOF
The neutron time of flight (n_TOF) facility at CERN is a spallation source characterized by a white neutron spectrum. The innovative features of the facility, in the two experimental areas, (20 m and 185 m), allow for an accurate determination of the neutron cross section for radioactive samples or for isotopes with small neutron capture cross section, of interest for Nuclear Astrophysics. [...]
SISSA, 2017 - 8 p.
- Published in : PoS INPC2016 (2017) 161
Fulltext: PDF; External link: PoS server
In : International Nuclear Physics Conference, Adelaide, Australia, 11 - 16 Sep 2016, pp.161
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Preparation and characterization of $^{33}$S samples for $^{33}$S(n,$\alpha$) $^{30}$Si cross-section measurements at the n_TOF facility at CERN
/ Praena, J (Granada U.) ; Ferrer, F J (CNA, Seville) ; Vollenberg, W (CERN) ; Sabaté-Gilarte, M (Seville U. ; CERN) ; Fernández, B (CNA, Seville ; Seville U.) ; García-López, J (CNA, Seville ; Seville U.) ; Porras, I (Granada U.) ; Quesada, J M (Seville U.) ; Altstadt, S (Goethe U., Frankfurt (main)) ; Andrzejewski, J (Lodz U.) et al.
/n_TOF
Thin 33 S samples for the study of the 33 S(n, α ) 30 Si cross-section at the n_TOF facility at CERN were made by thermal evaporation of 33 S powder onto a dedicated substrate made of kapton covered with thin layers of copper, chromium and titanium. This method has provided for the first time bare sulfur samples a few centimeters in diameter. [...]
2018 - 6 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 890 (2018) 142-147
Fulltext: PDF;
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Radiative Neutron Capture Cross-Section Measurement of Ge Isotopes at n_TOF CERN Facility and Its Importance for Stellar Nucleosynthesis
/ n_TOF Collaboration
This manuscript summarizes the results of radiative neutron capture cross-section measurements on two stable germanium isotopes, $^{70}$Ge and $^{73}$Ge. Experiments were performed at the n_TOF facility at CERN via the time-of-flight technique, over a wide neutron energy range, for all stable germanium isotopes (70,72,73,74, and 76). [...]
2021 - 6 p.
- Published in : Acta Phys. Pol. A 139 (2021) 383-388
Fulltext: PDF;
In : 46th Extraordinary Congress of the Polish Physical Society, Warsaw, Poland, 16 - 18 Oct 2020, pp.383-388
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Characterization of the n_TOF EAR-2 neutron beam
/ Chen, Y H (Orsay, IPN) ; Tassan-Got, L (Orsay, IPN) ; Audouin, L (Orsay, IPN) ; Le Naour, C (Orsay, IPN) ; Durán, I (U. Santiago de Compostela (main)) ; Casarejos, E (Vigo U.) ; Aberle, O (CERN) ; Andrzejewski, J (U. Lodz (main)) ; Bécares, V (Madrid, CIEMAT) ; Bacak, M (TU Vienna) et al.
/n_TOF
The experimental area 2 (EAR-2) at CERNs neutron time-of-flight facility (n_TOF), which is operational since 2014, is designed and built as a short-distance complement to the experimental area 1 (EAR-1). The Parallel Plate Avalanche Counter (PPAC) monitor experiment was performed to characterize the beam profile and the shape of the neutron flux at EAR-2. [...]
2017 - 4 p.
- Published in : EPJ Web Conf. 146 (2017) 03020
Fulltext: PDF;
In : ND 2016 International Conference on Nuclear Data for Science and Technology, Bruges, Belgium, 11 - 16 Sep 2016, pp.03020
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