Dynamic polarization in the Coulomb dissociation of 8B

Phys. Rev. C 66, 044609 – Published 17 October 2002
H. Esbensen and G. F. Bertsch

Abstract

The Coulomb dissociation of 8B on high-Z targets can be described by first-order perturbation theory at high beam energies but the far-field approximation, which is commonly used, becomes inaccurate at impact parameters less than 25 fm. The leading-order correction at lower beam energies is a dynamic polarization effect, which reduces the dissociation probability. The relative significance of the effect scales roughly as Z/E in terms of the target charge Z and beam energy E. The reduction due to a destructive Coulomb-nuclear interference, on the other hand, is rather modest.

DOI: http://dx.doi.org/10.1103/PhysRevC.66.044609

  • Received 8 July 2002
  • Published 17 October 2002

© 2002 The American Physical Society

Authors & Affiliations

H. Esbensen1 and G. F. Bertsch2

  • 1Physics Division, Argonne National Laboratory, Argonne, Illinois 60439
  • 2Institute for Nuclear Theory, University of Washington, Seattle, Washington 98195

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