Abstract
In previous work we have demonstrated that the internucleon separation which results from the combined Coulomb explosion and multiple scattering of fast H 2 + ions traversing thin carbon foils can be very different for different single scattering cross sections, even though these cross sections may - in fact - give rise to identical multiple scattering distributions. This makes imperative the use of realistic single scattering cross sections when internucleon separations are computed. We have generated carbon atom wave functions using the Froese Fischer Hartree-Fock program and from the resulting potential have obtained scattering cross sections using the Born approximation, the classical approximation and the WKBJ method. The effect upon the separation distribution of using these cross sections as well as the cross section of Lindhart (classical solution to a Thomas-Fermi screened potential) have been investigated and will be discussed here.
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