期刊
PHYSICAL REVIEW LETTERS
卷 109, 期 12, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.109.123201
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资金
- German Research Foundation DFG [SFB/TRR21]
We report on three-body recombination of a single trapped Rb+ ion and two neutral Rb atoms in an ultracold atom cloud. We observe that the corresponding rate coefficient K-3 depends on collision energy and is about a factor of 1000 larger than for three colliding neutral Rb atoms. In the three-body recombination process large energies up to several 0.1 eV are released leading to an ejection of the ion from the atom cloud. It is sympathetically recooled back into the cloud via elastic binary collisions with cold atoms. Further, we find that the final ionic product of the three-body processes is again an atomic Rb+ ion suggesting that the ion merely acts as a catalyzer, possibly in the formation of deeply bound Rb-2 molecules.
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