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Phys. Rev. A 67, 011402(R) (2003) [4 pages]

Measurement of the forbidden tensor polarizability of Cs using an all-optical Ramsey resonance technique

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C. Ospelkaus*, U. Rasbach†, and A. Weis‡
Départment de Physique, Université de Fribourg, 1700 Fribourg, Switzerland

Received 17 May 2002; published 17 January 2003

We have measured the strongly suppressed electric tensor polarizability of the Cs ground state using an optical pump-probe technique in a thermal atomic beam. The result α2(F=4)/h=-3.34(2)stat(25)syst 10-8Hz/(V/cm)2 agrees with a previous measurement and confirms the long-standing discrepancy with a theoretical value. The anticipated future reduction of the total uncertainty to the 1% level makes this quantity a valuable test for atomic structure calculations involving short-range inner-atomic interactions.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.67.011402
DOI:
10.1103/PhysRevA.67.011402
PACS:
32.60.+i, 12.20.Fv

*Present address: Institut für Laser-Physik, Jungiusstrasse 9, D-20355 Hamburg, Germany.

†Present address: Institut für Angewandte Physik, Wegelerstrasse 8, D-53115 Bonn, Germany.

‡Electronic address: antoine.weis@unifr.ch; URL: http://www.unifr.ch/physics/frap

 
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