A program for calculating elastic scattering phase shifts for an electron colliding with a one-electron target using perturbation theory

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Title of program: LAG 1 Catalogue Id: ACYD_v1_0 Nature of problem In calculating elastic scattering phase shifts in electron-atom scattering it is important to take adequate account of the correlation between the colliding electron and the target electrons which is not included in the static-exchange approximation. This can be achieved using perturbation theory. Versions of this program held in the CPC repository in Mendeley Data ACYD_v1_0; LAG 1; 10.1016/0010-4655(78)90053-X This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2019)

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