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Counting Cold Collisions | | B. Ueberholz
; S. Kuhr
; D. Frese
; D. Meschede
; V. Gomer
; | | Date: |
29 Oct 1999 | | Subject: | quant-ph | | Abstract: | We have experimentally explored a novel possibility to study exoergic cold atomic collisions. Trapping of small countable atom numbers in a shallow magneto-optical trap and monitoring of their temporal dynamics allows us to directly observe isolated two-body atomic collisions and provides detailed information on loss statistics. A substantial fraction of such cold collisional events has been found to result in the loss of one atom only. We have also observed for the first time a strong optical suppression of ground-state hyperfine-changing collisions in the trap by its repump laser field. | | Source: | arXiv, quant-ph/9910120 | | Services: | Forum | Review | PDF | Favorites | |
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