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APS » Journals » Phys. Rev. Lett. » Volume 85 » Issue 15
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Phys. Rev. Lett. 85, 3117–3120 (2000)

Cold Collision Frequency Shifts in a 87Rb Atomic Fountain

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Y. Sortais, S. Bize, C. Nicolas, and A. Clairon
BNM-LPTF, Observatoire de Paris, 61 avenue de l'Observatoire, 75014 Paris, France

C. Salomon
Laboratoire Kastler Brossel, ENS, 24 rue Lhomond, 75005 Paris, France

C. Williams
National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, Maryland 20899-8423

Received 26 May 2000; published in the issue dated 9 October 2000

We present measurements of cavity frequency pulling and collisional frequency shifts in a 87Rb fountain with a frequency resolution of 3×10-16. 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.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.85.3117
DOI:
10.1103/PhysRevLett.85.3117
PACS:
32.80.Pj, 06.30.Ft, 34.20.Cf
 
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