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Cross-section for collisions of ultracold Li with Na

  • V. Wippel
  • C. Binder
  • L. Windholz

Abstract:

In a magneto-optical trap (MOT) we are able to simultaneously trap and cool 7Li and Na. We investigated the loading behavior of the cloud of Li atoms in presence of the overlapped cloud of cold Na atoms, and, by blocking the weak repumping beam for Na, compared it with the loading curve for Li atoms only. Out of these loading curves we calculated the collision cross-section of Na on Li to be 10-11 cm 3 /s.

PACS. 32.80.Pj Optical cooling of atoms; trapping – 34.50.-s Scattering of atoms and molecules – 34.50.Rk Laser-modified scattering and reactions 

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Copyright information

© EDP Sciences, Springer-Verlag, Società Italiana di Fisica 2002

Authors and Affiliations

  • V. Wippel
    • 1
  • C. Binder
    • 1
  • L. Windholz
    • 1
  1. 1.Institut für Experimentalphysik, Technische Universität Graz, Petersgasse 16, 8010 Graz, AustriaAT

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