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Positron-atom; electron-atom; scattering; two-potential eikonal approximation; Schrödinger equation

We present differential and integrated cross-sections for elastic scattering of positrons by helium and lithium at intermediate and high energies, calculated using the two-potential eikonal approach. The present calculations are compared with the available theoretical results.

S S Tayal^{1 2}

1. Department of Applied Mathematics and Theoretical Physics, The Queen’s University of Belfast, Belfast - BT7 1NN, Northern Ireland
2. Department of Physics, D. J. College, University of Meerut, Baraut, India

Published

June 1983

Manuscript received

16 April 1983