Abstract
We have used the energy and angular distribution of the low energy electron emission to derive the doubly differential final-state longitudinal momentum distributions of the recoil-ions in ion-atom ionization. The complementary nature of the electron spectroscopy and the recoil-ion momentum spectroscopy has been investigated using a formulation based on three body kinematics. The separation of the three-body and binary collision branches of recoil-ion distributions is a novel feature of the present technique.
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