Measurement of electron capture and ionization cross sections forD2in collision with fastO8+ions

Abstract
We have measured cross sections for single capture, transfer ionization, single ionization, double ionization, ionization excitation, and transfer excitation for fully stripped oxygen projectiles at energies between 8 and 20 MeV on D2 molecular targets. Coincidences between charge-analyzed projectiles and recoil D+ and D2+ products were measured. The time of flight (TOF) of the recoil, collected by applying an extraction electric field, was used to separate the D+ from D2+ ions. TOF spectra taken with no field were used to distinguish the D+ ions from different dissociative channels, including the electronically excited 2pσu,2sσg,2pπu channels and the double-ionization channel. The results are compared with two model calculations.

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