Higher order effects in electromagnetic dissociation of neutron halo nuclei

Details Higher order effects in electromagnetic dissociation of neutron halo nuclei Higher order effects in electromagnetic dissociation of neutron halo nuclei

2001-01-16

arxiv.org/abs/nucl-th/0101033v1

Phys.Rev. C64 (2001) 024601

Physics

Nuclear Physics

Nuclear Theory

11 pages, ReVTeX, 3 figures, submitted to Phys. Rev. C

Scientific paper

10.1103/PhysRevC.64.024601

We investigate higher order effects in electromagnetic dissociation of neutron halo nuclei using a simple and realistic zero range model for the neutron-core interaction. In the sudden (or Glauber) approximation all orders in the target-core interaction are taken into account. Small deviations from the sudden approximation are readily calculated. We obtain very simple analytical results for the next-to-leading order effects, which have a simple physical interpretation. For intermediate energy electromagnetic dissociation, higher order effects are generally small. We apply our model to Coulomb dissociation of $^{19}$C at 67 A MeV. The analytical results are compared to numerical results from the integration of the time-dependent Schroedinger equation. Good agreement is obtained. We conclude that higher order electromagnetic effects are well under control.

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