Optical potential for Li6 elastic scattering at 99 MeV

P. Schwandt, W. W. Jacobs, M. D. Kaitchuck, P. P. Singh, W. D. Ploughe, F. D. Becchetti, and J. Jänecke
Phys. Rev. C 24, 1522 – Published 1 October 1981
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Abstract

The differential cross section angular distributions for 99-MeV Li6 elastic scattering from C12, Si28, Ca40, Ni58, Zr90, and Pb208 have been measured for center-of-mass angles up to θmax=43°69°. The angular distributions show progressively less structure with increasing target mass which is characteristic of strongly absorbed particles. Phenomenological optical-model analyses with Woods-Saxon form factors exhibit both discrete and continuous ambiguities in the parameters which yield a good fit to the data. The A dependence of several real central potential families and the effects of a surface absorption term have been investigated. A semimicroscopic single-folding Li6 potential based on an (α+d)- cluster model for Li6 gave a good description of the data only after renormalization of the real potential by a factor of ∼0.5.

NUCLEAR REACTIONS C12, Si28, Ca40, Ni58, Zr90, Pb208 (Li6, Li6), ELi=99 MeV: measured elastic scattering dσdΩ; phenomenological and semimicroscopic optical model analyses.

  • Received 13 April 1981

DOI:https://doi.org/10.1103/PhysRevC.24.1522

©1981 American Physical Society

Authors & Affiliations

P. Schwandt, W. W. Jacobs, M. D. Kaitchuck, and P. P. Singh

  • Indiana University Cyclotron Facility, Bloomington, Indiana 47405

W. D. Ploughe

  • The Ohio State University, Columbus, Ohio 43212

F. D. Becchetti and J. Jänecke

  • University of Michigan, Ann Arbor, Michigan 48109

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Vol. 24, Iss. 4 — October 1981

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