Accumulation of cold cesium molecules via photoassociation in a mixed atomic and molecular trap |
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Authors: | Vanhaecke Nicolas De Souza Melo Wilson Laburthe Tolra Bruno Comparat Daniel Pillet Pierre |
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Affiliation: | Laboratoire Aimé Cotton, Batiment 505, Campus d'Orsay, 91405 Orsay cedex, France. |
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Abstract: | We have realized a mixed atomic and molecular trap, constituted by a Cs vapor-cell magneto-optical trap and a quadrupolar magnetic C s(2) trap, using the same magnetic field gradient. We observed the trapping of 2x 10(5) molecules, formed and accumulated in the metastable a (3)Sigma(+ )(u) state at a temperature of 30+/-10 microK through a approximately 150 ms photoassociation process. The lifetime of the trapped molecular cloud limited by the Cs background gas pressure is on the order of 1 s. |
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