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  New Limits on the Drift of Fundamental Constants from Laboratory Measurements

Fischer, M., Kolachevsky, N., Zimmermann, M., Holzwarth, R., Udem, T., Hänsch, T. W., et al. (2004). New Limits on the Drift of Fundamental Constants from Laboratory Measurements. Physical Review Letters, 92(23): 230802. Retrieved from http://link.aps.org/abstract/PRL/v92/e230802.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-BE74-A Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0019-B753-4
Genre: Journal Article

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2873.pdf (Publisher version), 190KB
 
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 Creators:
Fischer, M.1, Author           
Kolachevsky, Nikolai1, Author           
Zimmermann, Marcus1, Author           
Holzwarth, Ronald1, Author           
Udem, Thomas1, Author           
Hänsch, T. W.1, Author           
Abgrall, M., Author
Grünert, J., Author
Maksimovic, I., Author
Bize, S., Author
Marion, H., Author
Pereira Dos Santos, F., Author
Lemonde, P., Author
Santarelli, G., Author
Laurent, P., Author
Clairon, A., Author
Salomon, C., Author
Haas, Martin1, Author           
Jentschura, Ulrich David2, Author
Keitel, Christoph Helmut3, Author           
Affiliations:
1Laser Spectroscopy, Max Planck Institute of Quantum Optics, Max Planck Society, ou_1445568              
2Max Planck Society, ou_persistent13              
3Laboratory for Attosecond Physics, Max Planck Institute of Quantum Optics, Max Planck Society, ou_1445564              

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 Abstract: We have remeasured the absolute 1S-2S transition frequency H in atomic hydrogen. A comparison with the result of the previous measurement performed in 1999 sets a limit of (–29±57) Hz for the drift of H with respect to the ground state hyperfine splitting Cs in 133Cs. Combining this result with the recently published optical transition frequency in 199Hg+ against Cs and a microwave 87Rb and 133Cs clock comparison, we deduce separate limits on /= (–0.9±2.9)×10–15 yr–1 and the fractional time variation of the ratio of Rb and Cs nuclear magnetic moments µRb/µCs equal to (–0.5±1.7)×10–15 yr–1. The latter provides information on the temporal behavior of the constant of strong interaction.

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Language(s): eng - English
 Dates: 2004-06-10
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 286314
URI: http://link.aps.org/abstract/PRL/v92/e230802
Other: 2873
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Title: Physical Review Letters
  Alternative Title : Phys. Rev. Lett.
Source Genre: Journal
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Pages: - Volume / Issue: 92 (23) Sequence Number: 230802 Start / End Page: - Identifier: -