Noneikonal calculations for few-body projectiles

J. M. Brooke, J. S. Al-Khalili, and J. A. Tostevin
Phys. Rev. C 59, 1560 – Published 1 March 1999
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Abstract

Calculations which improve upon the eikonal model description of the scattering of loosely bound n-cluster composite nuclei at low and medium energies are studied. Each cluster-target eikonal phase shift is replaced by the continuation of the corresponding exact partial wave phase shift to noninteger angular momenta. Comparisons with fully quantum mechanical calculations for two-body projectiles show that this yields an accurate practical alternative to few-body adiabatic model calculations. Calculations are shown to be accurate for projectile energies as low as 10 MeV/nucleon at which the eikonal approximation is no longer reliable.

  • Received 15 September 1998

DOI:https://doi.org/10.1103/PhysRevC.59.1560

©1999 American Physical Society

Authors & Affiliations

J. M. Brooke, J. S. Al-Khalili, and J. A. Tostevin

  • Department of Physics, School of Physical Sciences, University of Surrey, Guildford, Surrey, GU2 5XH, United Kingdom

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Vol. 59, Iss. 3 — March 1999

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