Radial sensitivity of elastic scattering

John G. Cramer and Ralph M. DeVries
Phys. Rev. C 22, 91 – Published 1 July 1980
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Abstract

A new technique has been developed, employing a localized perturbation of the radial nuclear optical potential, which permits direct investigation of the sensitivities of optical model analysis of elastic scattering data to the details of the radial potential. It is found that both light- and heavy-ion scattering probe primarily the nuclear surface region. Higher energy scattering data probe further into the interior than lower energy data. The value of the potential at the center of the nucleus cannot be determined, but only inferred if a fixed parametrization such as Woods-Saxon geometry is specified. In addition, it is found that the region of radial sensitivity of the imaginary potential is systematically closer to the center of the nucleus than is that of the real potential.

NUCLEAR REACTIONS Radial sensitivity of optical model calculations to elastic σ(θ) data analyzed for p+C12, α+Ni58, O16+Si28 at low and intermediate incident energies.

  • Received 17 September 1979

DOI:https://doi.org/10.1103/PhysRevC.22.91

©1980 American Physical Society

Authors & Affiliations

John G. Cramer

  • Department of Physics, University of Washington, Seattle, Washington 98195

Ralph M. DeVries

  • NSRL, University of Rochester, Rochester, New York 14627 and Physics Division, Los Alamos Scientific Laboratory, Los Alamos, New Mexico 87545

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Vol. 22, Iss. 1 — July 1980

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