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A new electrostatic ion storage ring, the RIKEN cryogenic electrostatic ring, has been commissioned with a 15-keV ion beam under cryogenic conditions. The ring was designed with a closed ion beam orbit of about 2.9 m, where the ion beam is guided entirely by electrostatic components. The vacuum chamber of the ring is cooled using a liquid-He-free cooling… (More)
The astrophysically important molecular ions DCND + and D 3 O + can dissociate upon capture of a free electron, a process known as dissociative recombination (DR). We give here a brief summary of recent experimental studies of the DR of these molecules that have been carried out at the TSR heavy ion storage ring.