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C12 + Mg24 elastic scattering

M. S. Chiou, J. V. Maher, C. M. Cheng, W. Oelert, and W. J. Jordan
Phys. Rev. C 20, 851(R) – Published 1 August 1979
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Abstract

C12 + Mg24 elastic scattering angular distributions have been measured at 12 bombarding energies over a range 20 MeVElab36 MeV. The elastic S matrix elements were parametrized in the framework of a complex Woods-Saxon potential. The measured angular distributions exhibit some irregular structure at surprisingly low energies—and no optical potential has been found to reproduce this low energy structure. Three surface-transparent optical potentials (one of which has energy-independent well depths) have been found to give a good overall account of the data. All three of these potentials predict essentially identical cross sections for angles ≲ 120°; additionally, they predict strong but strikingly different oscillations in the 180° elastic scattering excitation function.

NUCLEAR REACTIONS Mg24(C12, C12)Mg24, measured σ(E,φ) E=2036 MeV; deduced optical model parameters.

  • Received 16 April 1979

DOI:https://doi.org/10.1103/PhysRevC.20.851

©1979 American Physical Society

Authors & Affiliations

M. S. Chiou, J. V. Maher, C. M. Cheng*, W. Oelert, and W. J. Jordan

  • Physics Department, University of Pittsburgh, Pittsburgh, Pennsylvania 15260

  • *Present address: On-Line Systems, Inc., 115 Evergreen Hts. Drive, Pittsburgh, Pennsylvania 15229.
  • Present address: Institut fur Kernphysik, Kernforschungsanlage Julich GMBH, D-5170 Julich 1, Postfach 365, W. Germany.

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Issue

Vol. 20, Iss. 2 — August 1979

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