Elsevier

Nuclear Physics A

Volume 522, Issues 3–4, 21–28 January 1991, Pages 621-634
Nuclear Physics A

Exploratory studies of the elastic scattering of 11Li + 12C

https://doi.org/10.1016/0375-9474(91)90085-KGet rights and content

Abstract

Calculations have been made of the elastic scattering of 11Li + 12C at EA = 30 and 85 MeV as an example of the scattering to be expected for “exotic” neutron-rich light nuclei. The real optical potential was generated from a folding model using Hartree-Fock densities for 11Li. A variety of assumptions for the absorptive imaginary potential was explored, subject to the important constraint that the predicted reaction cross section remain reasonable. Contrary to some expectations, we provide evidence that these weakly bound systems do not exhibit the diffractive type of scattering that is characteristic of strong absorption. If anything their more diffuse real potentials can result in an enhancement of the refractive features.

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    Operated by Martin Marietta Energy Systems, Inc. under contract DE-AC05-840R21400 with the U.S. Department of Energy.

    1

    Supported in part by the National Science Foundation.

    We are indebted to B.A. Brown and G.F. Bertsch for providing the Hartree-Fock densities for 11Li. The calculations were performed using the program PTOLEMY 2).

    2

    Supported in part by the CNPq, Brazil.

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