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Suppression of Penning ionization in a spin-polarized mixture of rubidium and He

Byron, Lesa; Dall, Robert; Wu, Ju-Kuei (Rugway); Truscott, Andrew

Description

This paper presents the first study of the collision dynamics of an ultra-cold spin-polarized mixture of rubidium and metastable helium (He*) atoms. Our experiment monitors ion production from the mixture for both magnetically polarized and unpolarized cases. In the unpolarized case, we observe an increase in our background ion rate. However, in the completely polarized sample the ion production is below the sensitivity of our experiment. Nonetheless, we determine an upper limit of 5 × 10-12 cm...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
URI: http://hdl.handle.net/1885/24628
Source: New Journal of Physics
DOI: 10.1088/1367-2630/12/1/013004

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