Nuclear induced breakup of halo nuclei

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


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.


  • 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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