期刊
PHYSICAL REVIEW LETTERS
卷 107, 期 24, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.107.243201
关键词
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资金
- NSF [PHY-1005453]
- ARO [W911NF-10-1-0505]
- AFOSR
- Direct For Mathematical & Physical Scien
- Division Of Physics [1005453] Funding Source: National Science Foundation
Ultracold Yb-174(+) ions and Ca-40 atoms are confined in a hybrid trap. The charge exchange chemical reaction rate constant between these two species is measured and found to be 4 orders of magnitude larger than recent measurements in other heteronuclear systems. The structure of the CaYb+ molecule is determined and used in a calculation that explains the fast chemical reaction as a consequence of strong radiative charge transfer. A possible explanation is offered for the apparent contradiction between typical theoretical predictions and measurements of the radiative association process in this and other recent experiments.
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