Eur. Phys. J. D 21, 101-104 (2002)
https://doi.org/10.1140/epjd/e2002-00175-2

Cross-section for collisions of ultracold ⁷Li with Na

Institut für Experimentalphysik, Technische Universität Graz, Petersgasse 16, 8010 Graz, Austria

Corresponding author: ^a l.windholz@iep.tu-graz.ac.at

Received: 11 January 2002
Revised: 5 April 2002
Published online: 24 September 2002

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 cm³/s.