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The positronium (Ps) formation cross sections are calculated for positron scattering from and using an optical potential approach developed previously by the same authors. The results are compared with earlier Born calculations and angular distributions are also analysed at various energies.

PACS. 34.10+x -General theories and models of atomic and molecular collisions and interactions (including statistical theories, transition state, stochastic and trajectory models, etc.). PACS. 34.90+q -Other topics in atomic and molecular collision processes and interactions. PACS. 34.50Lf -Chemical reactions, energy disposal, and angular distribution, as studied by atomic and molecular beams.

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