Cold collision frequency shifts in a 87Rb atomic fountain.

Yvan R. P. Sortais,Sébastien Bize,C. Nicolas,André Clairon,Christophe Salomon,Carl J. Williams

Physical Review Letters（2000）

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摘要

We present measurements of cavity frequency pulling and collisional frequency shifts in a 87Rb fountain with a frequency resolution of 3x10(-16). Agreement with theory is found for the cavity pulling and the measured collisional shifts. The clock shift is found at least 50 times smaller than in 133Cs.

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