Nuclear induced breakup of halo nuclei

Phys. Rev. C 59, 3240 – Published 1 June 1999
H. Esbensen and G. F. Bertsch

Abstract

We investigate the validity of approximations that are sometimes made in calculating the nuclear induced breakup of halo nuclei. We find that a truncated coupled-channels calculations, in which the nuclear couplings between continuum states are ignored, gives almost the same result as a first-order calculation. However, the couplings are much too strong to justify these approximations. This is demonstrated in the frozen limit of a semiclassical description, where one can compare to exact results. We find in this limit that the one-neutron removal cross section of 11Be obtained in the approximate treatment is much larger than the exact result. This trend is also indicated at low energy by comparing a perturbative calculation of the breakup of 8B to the result of a more realistic treatment, which evolves the wave function of the valence proton essentially to all orders in the target fields.

DOI: http://dx.doi.org/10.1103/PhysRevC.59.3240

  • Received 13 January 1999
  • Published in the issue dated June 1999

© 1999 The American Physical Society

Authors & Affiliations

H. Esbensen

  • Physics Division, Argonne National Laboratory, Argonne, Illinois 60439

G. F. Bertsch

  • Institute for Nuclear Theory, University of Washington, Seattle, Washington 98195

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