CERN Accelerating science

CERN Document Server 143 のレコードが見つかりました。  1 - 10次最後  レコードへジャンプ: 検索にかかった時間: 0.54 秒 
1.
Measurement of the neutron capture and fission reactions of plutonium-241 at the n_TOF experimental area 1 (EAR1) / Dupont, Emmeric (CEA Irfu, Université Paris-Saclay, Gif-sur-Yvette, France) ; Heyse, Jan (European Commission, Joint Research Centre (JRC), Geel, Belgium) ; Bacak, Michael (European Organization for Nuclear Research (CERN), Switzerland) ; Bélier, Gilbert (CEA DAM, Service de Physique Nucléaire, Bruyères le Châtel, France) ; Bernard, David (CEA DES, Service de Physique des Réacteurs et du Cycle, Cadarache, France) ; Berthoumieux, Eric (CEA Irfu, Université Paris-Saclay, Gif-sur-Yvette, France) ; Cahuzac, Aline (CEA Irfu, Université Paris-Saclay, Gif-sur-Yvette, France) ; Diakaki, Maria (NTUA, National Technical University of Athens, Greece) ; Gunsing, Frank (CEA Irfu, Université Paris-Saclay, Gif-sur-Yvette, France) ; Karpinska, Jolanta (European Commission, Joint Research Centre (JRC), Geel, Belgium) et al.
CERN-INTC-2023-066 ; INTC-P-677.
- 2023.
Fulltext
2.
Neutron-induced fission cross sections of Th232 and U233 up to 1 GeV using parallel plate avalanche counters at the CERN n_TOF facility / n_TOF Collaboration
The neutron-induced fission cross sections of Th232 and U233 were measured relative to U235 in a wide neutron energy range up to 1 GeV (and from fission threshold in the case of Th232, and from 0.7 eV in case of U233), using the white-spectrum neutron source at the CERN Neutron Time-of-Flight (n_TOF) facility. Parallel plate avalanche counters (PPACs) were used, installed at the Experimental Area 1 (EAR1), which is located at 185 m from the neutron spallation target. [...]
2023 - 21 p. - Published in : Phys. Rev. C 107 (2023) 044616 Fulltext: PDF;
3.
$^{7}$ Be(n,p)$^{7}$ Li Cross Section Measurement for the Cosmological Lithium Problem at the n $\_$ TOF Facility at CERN / n_TOF Collaboration
One of the most puzzling problems in Nuclear Astrophysics is the “Cosmological Lithium Problem”, i.e the discrepancy between the primordial abundance of$^{7}$ Li observed in metal poor halo stars (Asplund et al. in Astrophys J 644:229–259, 2006, [1]), and the one predicted by Big Bang Nucleosynthesis (BBN). [...]
2019 - 8 p. - Published in : Springer Proc. Phys. 219 (2019) 25-32
In : Nuclei in the Cosmos XV (NIC XV), Assergi, Italy, 24 - 29 Jun 2018, pp.25-32
4.
$^{92}$Zr($n,\gamma$) and ($n$,tot) measurements at the GELINA and n_TOF facilities / n_TOF Collaboration
Background: Stellar nucleosynthesis of elements heavier than iron is driven by neutron capture processes. 92Zr is positioned at a strategic point along the slow nucleosynthesis path, given its proximity to the neutron magic number N = 50 and its position at the matching region between the weak and main slow processes. Purpose: In parallel with recent improved astronomical data, the extraction of accurate Maxwellian averaged cross sections (MACSs) derived from a more complete and accurate set of resonance parameters should allow for a better understanding of the stellar conditions at which nucleosynthesis takes place. Methods: Transmission and capture cross section measurements using enriched 92Zr metallic samples were performed at the time-of flight facilities GELINA of JRC-Geel (BE) and n_TOF of CERN (CH). [...]
2022 - 14 p. - Published in : Phys. Rev. C 105 (2022) 025805 Fulltext: PDF;
5.
Measurement of the $\alpha$ ratio and $(n,\gamma)$ cross section of $^{235}\mathrm{U}$ from 0.2 to 200 eV at n_TOF / n_TOF Collaboration
We measured the neutron capture-to-fission cross-section ratio (α ratio) and the capture cross section of U235 between 0.2 and 200 eV at the n_TOF facility at CERN. The simultaneous measurement of neutron-induced capture and fission rates was performed by means of the n_TOF BaF2 Total Absorption Calorimeter (TAC), used for detection of γ rays, in combination with a set of micromegas detectors used as fission tagging detectors. [...]
2020 - 18 p. - Published in : Phys. Rev. C 102 (2020) 044615 Fulltext: PDF;
6.
Measurement of the $\alpha$-ratio and (n,$\gamma$) cross section of $^{239}$Pu at n$\_$TOF / Alcayne, Victor (CIEMAT) ; Alvarez, Francisco (CIEMAT) ; Andrzejewski, Jozef (University of Lodz) ; Balibrea, Javier (IFIC) ; Caamano, Manuel (University of Santiago de Compostela) ; Calvino, Francisco (Polytechnic University of Catalonia) ; Cano-Ott, Daniel (CIEMAT) ; Domingo, Cesar (IFIC) ; Duran, Ignacio (University of Santiago de Compostela) ; Gawlik, A (University of Lodz) et al.
CERN-INTC-2020-049 ; INTC-P-567.
- 2020.
Fulltext
7.
Investigation of the $^{240}$Pu$(n,f)$ reaction at the n_TOF/EAR2 facility in the 9 meV–6 MeV range / n_TOF Collaboration
Background: Nuclear waste management is considered amongst the major challenges in the field of nuclear energy. A possible means of addressing this issue is waste transmutation in advanced nuclear systems, whose operation requires a fast neutron spectrum. [...]
2020 - 23 p. - Published in : Phys. Rev. C 102 (2020) 014616 Fulltext from publisher: PDF;
8.
Self Powered Neutron Detectors with High Energy Sensitivity / Fiore, S (ENEA, Frascati) ; Aberle, O (CERN) ; Angelone, M (ENEA, Frascati) ; Calviani, M (CERN) ; Giambattista, F Di (ENEA, Frascati ; Rome U., Tor Vergata) ; Lepore, L (ENEA, Frascati) ; Nyman, M (Geel, JRC) ; Pillon, M (ENEA, Frascati) ; Plompen, A (Geel, JRC)
2020 - 5 p. - Published in : EPJ Web Conf. 225 (2020) 02001
In : 6th International Conference on Advancements in Nuclear Instrumentation Measurement Methods and their Applications, Protoroz, Slovenia, 17 - 21 Jun 2019, pp.02001
9.
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
10.
Measurement and resonance analysis of the $^{33}\mathrm{S}(n,\alpha)^{30}\mathrm{Si}$ cross section at the CERN n_TOF facility in the energy region from 10 to 300 keV / Praena, J (CAFPE, Granada) ; Sabaté-Gilarte, M (Seville U. ; CERN) ; Porras, I (CAFPE, Granada) ; Quesada, J M (Seville U.) ; Altstadt, S (Frankfurt U.) ; Andrzejewski, J (Lodz U.) ; Audouin, L (Orsay, IPN) ; Bécares, V (Madrid, CIEMAT) ; Barbagallo, M (INFN, Bari) ; Bečvář, F (Charles U.) et al. /n_TOF
The S33(n,α)Si30 cross section has been measured at the neutron time-of-flight (n_TOF) facility at CERN in the neutron energy range from 10 to 300 keV relative to the B10(n,α)Li7 cross-section standard. Both reactions were measured simultaneously with a set of micromegas detectors. [...]
2018 - 10 p. - Published in : Phys. Rev. C 97 (2018) 064603

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