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Curve-crossing in single electron capture collisions

J B Hasted, S M Iqbal and M M Yousaf

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Differential single electron capture probabilities P are reported for ions C2+, N2+, O2+ impacting He, Ne, Ar in the energy range 1-3 keV. They are analysed in terms of the impact parameter b and compared with calculations of Bates et al. (1970). P(b) is an oscillating function falling to zero outside b=rx, the calculated nuclear separation of pseudo-crossing of potential energy curves. This is used as a diagnostic of curve-crossing situations, especially those involving coupling to excited states.


PACS

34.70.+e Charge transfer

34.50.-s Scattering of atoms and molecules

34.20.-b Interatomic and intermolecular potentials and forces, potential energy surfaces for collisions

Subjects

Atomic and molecular physics

Dates

Issue 3 (March 1971)



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