New limits on the drift of fundamental constants from laboratory measurements.

M, Fischer; N, Kolachevsky; M, Zimmermann; R, Holzwarth; T, Udem; TW, Hänsch; M, Abgrall; J, Grünert; I, Maksimovic; S, Bize; H, Marion; Dos Santos F, Pereira; P, Lemonde; G, Santarelli; P, Laurent; A, Clairon; C, Salomon; M, Haas; UD, Jentschura; CH, Keitel

doi:10.1103/physrevlett.92.230802

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New limits on the drift of fundamental constants from laboratory measurements.

Shared by NobleBlocks on Jun 10, 2004 • 12:00 AM UTC

Authors:

Fischer M

Kolachevsky N

Zimmermann M

Abstract

We have remeasured the absolute 1S-2S transition frequency nu(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 nu(H) with respect to the ground state hyperfine splitting nu(Cs) in 133Cs. Combining this re...

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