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Phys. Rev. Lett. 88, 120403 (2002) [4 pages]

Photoassociation of Sodium in a Bose-Einstein Condensate

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C. McKenzie, J. Hecker Denschlag*, H. Häffner†, A. Browaeys, Luís E. E. de Araujo‡, F. K. Fatemi§, K. M. Jones**, J. E. Simsarian††, D. Cho‡‡, A. Simonia, E. Tiesinga, P. S. Julienne, K. Helmerson, P. D. Lett, S. L. Rolston, and W. D. Phillips
National Institute of Standards and Technology, Gaithersburg, Maryland 20899

Received 27 November 2001; published 7 March 2002

We form ultracold Na2 molecules by single-photon photoassociation of a Bose-Einstein condensate, measuring the photoassociation rate, linewidth, and light shift of the J = 1, v = 135 vibrational level of the A1Σu+ molecular state. The photoassociation rate constant increases linearly with intensity, even where it is predicted that many-body effects might limit the rate. Our observations are in good agreement with a two-body theory having no free parameters.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.88.120403
DOI:
10.1103/PhysRevLett.88.120403
PACS:
03.75.Fi, 33.20.Kf, 33.70.Jg, 34.20.Cf

*Institut für Experimentalphysik, Universität Innsbruck, Technikerstrasse 25, A-6020 Innsbruck, Austria.

†Institut für Experimentalphysik, Universität Innsbruck, Technikerstrasse 25, A-6020 Innsbruck, Austria.

‡The Institute of Optics, University of Rochester, Rochester, NY 14627.

§Naval Research Laboratory, Washington, D.C. 20375.

**Department of Physics, Williams College, Williamstown, MA 01267.

††Bell Laboratories, Lucent Technologies, Holmdel, NJ 07733.

‡‡Department of Physics, Korea University, 5-1 Ka Anam-dong, Sungbuk-ku, Seoul 136-701, Korea.

aINFM and LENS, Università di Firenze, Largo E. Fermi 2, I-50125, Firenze, Italy.

 
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