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Photoassociation of sodium in a Bose-Einstein condensate |
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| Authors: | McKenzie C Hecker Denschlag J Häffner H Browaeys A de Araujo Luís E E Fatemi F K Jones K M Simsarian J E Cho D Simoni A Tiesinga E Julienne P S Helmerson K Lett P D Rolston S L Phillips W D |
| Affiliation: | National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA. |
| Abstract: | We form ultracold Na2 molecules by single-photon photoassociation of a Bose-Einstein condensate, measuring the photoassociation rate, linewidth, and light shift of the J = 1, v = 135 vibrational level of the A1 Sigma (+)(u) molecular state. The photoassociation rate constant increases linearly with intensity, even where it is predicted that many-body effects might limit the rate. Our observations are in good agreement with a two-body theory having no free parameters. |
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