4.5 Article

Velocity-dependent model for the α-α interaction in the context of the double-folding potential

Journal

PHYSICAL REVIEW C
Volume 101, Issue 3, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.101.034603

Keywords

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Funding

  1. Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [2018/09998-8, 2017/05660-0]
  2. Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq) [302160/2018-3, 303871/2016-4, 306433/2017-6]
  3. project INCT-FNA [464898/2014-5]

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We propose a new model to describe the alpha + alpha interaction that takes into account the Pauli nonlocality through a velocity-dependent term. With this interaction, we describe very well the phase shifts obtained from elastic scattering data analyses for alpha + alpha at low energies. We also obtain a good description of the s-wave resonance related to the Be-8 ground-state. The model is based on double-folding procedures and, therefore, it can easily be extended to other systems. We present a test of the model in the case of elastic scattering for He-4 + Pb-208.

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