Abstract
SynopsisTo push the frontier of studying ion-atom cold collisions, we present a new technique to precisely control collision energies in a hybrid trap setup.
Highlights
Recent technological advances in the cooling of atoms and molecules have enabled the study of collisions and chemical reactions in the “cold regime” at temperatures below 1 K [1,2,3,4,5]
We present a new “dynamic” ion-atom hybrid trap which enables the study of ion-atom collisions with a greatly enhanced energy resolution in the cold regime
We have developed and characterised a dynamic ion-atom hybrid trap which paves the way for coldcollision and reaction studies with a significantly enhanced control over the particle energies compared to previous implementations
Summary
Recent technological advances in the cooling of atoms and molecules have enabled the study of collisions and chemical reactions in the “cold regime” at temperatures below 1 K [1,2,3,4,5]. For ion-neutral collisions, the lowest energies are currently achieved in hybrid experiments in which traps for cold ions and cold atoms are combined [6,7,8]. In these experiments, ions are typically stored and cooled in a radiofrequency (RF) trap [2, 9] which is overlapped with laser-cooled atoms in a magneto-optical trap (MOT) [10, 11]. Hybrid trapping technology has enabled the study of ion-neutral collisions and reactions in the cold regime. Three-body processes were found to become important [22, 23]
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