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Listar por autor "Mengoni, A."
Mostrando ítems 1-9 de 9
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Artículo
7Be(n, p) 7Li Reaction and the Cosmological Lithium Problem: Measurement of the Cross Section in a Wide Energy Range at n_TOF at CERN
Damone, L.; Barbagallo, M.; Mastromarco, Mario; Mengoni, A.; Cosentino, L.; Maugeri, E.; Heinitz, S.; Schumann, D.; Cortés Giraldo, Miguel Antonio; Guerrero Sánchez, Carlos; Lerendegui Marco, Jorge; Praena Rodríguez, Javier; Quesada Molina, José Manuel; Sabaté Gilarte, Marta (APS Physics, 2018-07-24)We report on the measurement of the 7Be(n,p)7Li cross section from thermal to approximately 325 keV neutron energy, performed ...
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Artículo
92 Zr ( n , γ ) and ( n ,tot) measurements at the GELINA and n_TOF facilities
Cortés Giraldo, Miguel Antonio; Guerrero Sánchez, Carlos; Quesada Molina, José Manuel; Tagliente, G.; Kopecky, S.; Heyse, J.; Krticka, M.; Massimi, C.; Mengoni, A. (American Physical Society, 2022)Background: Stellar nucleosynthesis of elements heavier than iron is driven by neutron capture processes. 92Zr is positioned ...
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Artículo
Integral measurement of the 12C(n, p)12B reaction up to 10 GeV
Zugec, P.; Colonna, Nicola; Bosnar, D.; Ventura, A.; Mengoni, A.; Altstadt, Sebastian G.; Cortés Giraldo, Miguel Antonio; Praena Rodríguez, Javier; Quesada Molina, José Manuel (Springer Verlag, 2016-04-22)The integral measurement of the 12C(n, p)12B reaction was performed at the neutron time-offlight facility n TOF at CERN. ...
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Artículo
Measurement of the 12 C(n,p)12 B cross section at n-TOF at CERN by in-beam activation analysis
Žugec, P.; Colonna, Nicola; Bosnar, D.; Mengoni, A.; Altstadt, Sebastian G.; Andrzejewski, J.; Wright, T.; Cortés Giraldo, Miguel Antonio; Praena Rodríguez, Javier; Quesada Molina, José Manuel (American Physical Society, 2014)The integral cross section of the 12C(n,p)12B reaction has been determined for the first time in the neutron energy range ...
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Artículo
Measurement of the 235U(n, f) cross section relative to the 6Li(n, t) and 10B(n, α) standards from thermal to 170 keV neutron energy range at n_TOF
Armaducci, S.; Cosentino, L.; Barbagallo, M.; Colonna, Nicola; Mengoni, A.; Massimi, C.; Lo Meo, Sergio; Finocchiaro, P.; Chiaveri, Enrico; Cortés Giraldo, Miguel Antonio; Guerrero Sánchez, Carlos; Lerendegui Marco, Jorge; Quesada Molina, José Manuel; Sabaté Gilarte, Marta (Springer Nature, 2019-07-01)The 235U(n, f) cross section was measured at n_TOF relative to 6Li(n, t) and 10B(n,α) , with high resolution (L= 183. 49 ...
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Ponencia
Neutron capture cross sections for the Re/Os clock
Mosconi, M.; Mengoni, A.; Heil, M.; Capote del Villar, Ramón; Lozano Leyva, Manuel Luis; Quesada Molina, José Manuel; Wisshak, K. (AIP Publishing, 2005)The radioactive decay of 187Re → 187Os (t 1/2 = 43 Gyr) is suited for dating the onset of heavy-element nucleosynthesis. ...
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Artículo
Neutron physics of the Re/Os clock. I. Measurement of the (n, γ) cross sections of 186, 187, 188 Os at the CERN n_TOF facility
Mosconi, M.; Fujii, K.; Mengoni, A.; Domingo-Pardo, C.; Käppeler, F.; Abbondanno, U.; Wisshak, K.; Capote, Roberto; Lozano Leyva, Manuel Luis; Praena Rodríguez, Javier; Quesada Molina, José Manuel (The American Physical Society, 2010)The precise determination of the neutron capture cross sections of 186Os and 187Os is important to define the s-process ...
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Artículo
Neutron physics of the Re/Os clock. III. Resonance analyses and stellar (n, γ) cross sections of 186, 187, 188Os
Fujii, K.; Mosconi, M.; Mengoni, A.; Domingo-Pardo, C.; Käppeler, F.; Abbondanno, U.; Wisshak, K.; Capote, Roberto; Lozano Leyva, Manuel Luis; Praena Rodríguez, Javier; Quesada Molina, José Manuel (The American Physical Society, 2010)Neutron resonance analyses have been performed for the capture cross sections of 186Os, 187Os, and 188Os measured at the ...
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Artículo
New reaction rates for the destruction of 7Be during big bang nucleosynthesis measured at CERN/n_TOF and their implications on the cosmological lithium problem
Mengoni, A.; Damone, L.A.; Barbagallo, M.; Aberle, Oliver; Alcayne, V.; Amaducci, Simone; Andrzejewski, J.; Chiaveri, Enrico; Cortés Giraldo, Miguel Antonio; Guerrero Sánchez, Carlos; Lerendegui Marco, Jorge; Millán Callado, María de los Ángeles; Quesada Molina, José Manuel; Sabaté Gilarte, Marta; Žugec, P. (EDP Sciences, 2020)New measurements of the 7Be(n,α)4He and 7Be(n,p)7Li reaction cross sections from thermal to keV neutron energies have been ...