Abstract
Electron capture by Xe[sup 30+] from Ar has been studied for projectile velocities between 0.3 and 1.0 a.u. Coincidence measurements were used to identify experimentally the final states of both target and projectile. The capture of up to eight electrons from the target was observed, while retention of more than three electrons by the projectile was found to be rare. Longitudinal recoil momentum spectroscopy was used to determine average [ital Q] values for the capture process as a function of recoil charge state. The [ital Q] values were found to have no measurable dependence on projectile velocity and were found to be in good agreement with those values predicted by the extended overbarrier model. Relative cross sections for the different final channels were measured and found to be in adequate agreement with the model prediction. A slight increase with increasing projectile velocity in the radiative-stabilization probability for the two-electron states finally formed on the projectile was observed.
Published Version
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