Collisional loss rate in a magneto-optical trap for sodium atoms: Light-intensity dependence

L. Marcassa; V. Bagnato; Y. Wang; C. Tsao; J. Weiner; O. Dulieu; Y. B. Band; P. S. Julienne

doi:10.1103/PhysRevA.47.R4563

Collisional loss rate in a magneto-optical trap for sodium atoms: Light-intensity dependence

L. Marcassa, V. Bagnato, Y. Wang, C. Tsao, J. Weiner, O. Dulieu, Y. B. Band, P. S. Julienne

Department of Chemistry

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91 Scopus citations

Abstract

We have measured the total collisional loss rate for ultracold sodium atoms held in a magneto-optical trap (MOT) as a function of light intensity in the trap. We extract the rate constant for collisional loss by measuring the temporal behavior of MOT loading from background vapor. The loss rate increases with light intensity in satisfactory agreement with new calculations, which are also presented. The results are interpreted in terms of detailed collision processes.

Original language	English
Pages (from-to)	R4563-R4566
Journal	Physical Review A
Volume	47
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevA.47.R4563
State	Published - 1 Jan 1993

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1103/PhysRevA.47.R4563

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AU - Marcassa, L.

AU - Bagnato, V.

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AU - Tsao, C.

AU - Weiner, J.

AU - Dulieu, O.

AU - Band, Y. B.

AU - Julienne, P. S.

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AB - We have measured the total collisional loss rate for ultracold sodium atoms held in a magneto-optical trap (MOT) as a function of light intensity in the trap. We extract the rate constant for collisional loss by measuring the temporal behavior of MOT loading from background vapor. The loss rate increases with light intensity in satisfactory agreement with new calculations, which are also presented. The results are interpreted in terms of detailed collision processes.

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Collisional loss rate in a magneto-optical trap for sodium atoms: Light-intensity dependence

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