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Ab initio studies of collisions between Li+ ions

I L Cooper, A S Dickinson, S K Sur and C T Ta

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Self-consistent-field and configuration interaction procedures are used to calculate the potential energy curves and the non-adiabatic radial and rotational couplings for the Li22+ system. The lowest six 1 Sigma g, four 1 Pi g and one 1 Delta g states are included. The standard perturbed stationary-state approach is employed to study collisions between Li+ ions for the interaction energies between 10 and 80 keV. The calculated charge transfer cross sections are in good agreement with the observations of Li2+ formation for energies above 35 keV.


PACS

31.15.A- Ab initio calculations

31.15.xr Self-consistent-field methods

31.50.Bc Potential energy surfaces for ground electronic states

31.15.ve Electron correlation calculations for atoms and ions: ground state

34.70.+e Charge transfer

Subjects

Atomic and molecular physics

Computational physics

Dates

Issue 9 (14 May 1987)



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