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The 6He Optical Potential at energies around the Coulomb barrier


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Opened Access The 6He Optical Potential at energies around the Coulomb barrier

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Author: Fernández García, Juan Pablo
Rodríguez Gallardo, Manuela
González Álvarez, Marcos Aurelio
Moro Muñoz, Antonio Matías
Department: Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear
Date: 2010
ISBN/ISSN: 978-073540776-3
Document type: Presentation
Abstract: We present an Optical Model (OM) study of 6He on 208Pb elastic scattering data, measured at laboratory energies around the Coulomb barrier (Elab=14, 16, 18, 22, and 27 MeV) [1]. For the projectile-target bare interaction, we use the microscopic São Paulo Potential (SPP). This bare interaction is supplemented with a Coulomb Dipole Polarization (CDP) potential, as well as a diffuse complex Woods-Saxon potential. Four-body Continuum-Discretized-Coupled-Channels (CDCC) calculations have been performed in order to support the optical model analysis. We have also studied the α channel, which is the dominant reaction process. In the analysis of this channel, we compare the angular and energy distributions of the α particles measured at 22 MeV, with Distorted Wave Born Approximation (DWBA) calculations.
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DOI: 10.1063/1.3428934

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