An ab initio calculation of the electron capture cross sections for collisions of
ground and metastable states of O2+ with H(1s) is presented. For impact energies
between 0.125 and 3.4 keV amu−1, we find good agreement between the cross
sections from the ground state ion with the mixed beam experimental data of
Phaneuf et al (Phaneuf A, Alvarez I, Meyer F W and Crandall D H 1982 Phys.
Rev. A 26 1892).
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