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Be 9 + Sn 120 scattering at near-barrier energies within a four-body model

Opened Access Be 9 + Sn 120 scattering at near-barrier energies within a four-body model

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Autor: Arazi, Andrés
Casal, Jesús
Rodríguez Gallardo, Manuela
Arias Carrasco, José Miguel
Lichtenthäler Filho, R.
Abriola, Daniel
Capurro, O. A.
Carnelli, P. F.F.
Fernndez Niello, J. O.
Martínez Heimman, D.
Departamento: Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear
Fecha: 2018
Publicado en: Physical Review C, 97 (4), 044609-.
Tipo de documento: Artículo
Resumen: Cross sections for elastic and inelastic scattering of the weakly bound Be9 nucleus on a Sn120 target have been measured at seven bombarding energies around and above the Coulomb barrier. The elastic angular distributions are analyzed with a four-body continuum-discretized coupled-channels (CDCC) calculation, which considers Be9 as a three-body projectile (α+α+n). An optical model analysis using the São Paulo potential is also shown for comparison. The CDCC analysis shows that the coupling to the continuum part of the spectrum is important for the agreement with experimental data even at energies around the Coulomb barrier, suggesting that breakup is an important process at low energies. At the highest incident energies, two inelastic peaks are observed at 1.19(5) and 2.41(5) MeV. Coupled-channels (CC) calculations using a rotational model confirm that the first inelastic peak corresponds to the excitation of the 21+ state in Sn120, while the second one likely corresponds to the excit...
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Cita: Arazi, A., Casal, J., Rodríguez Gallardo, M., Arias Carrasco, J.M., Lichtenthäler Filho, R., Abriola, D.,...,Martínez Heimman, D. (2018). Be 9 + Sn 120 scattering at near-barrier energies within a four-body model. Physical Review C, 97 (4), 044609-.
Tamaño: 854.1Kb
Formato: PDF

URI: https://hdl.handle.net/11441/84239

DOI: 10.1103/PhysRevC.97.044609

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