Measurement of the Relativistic Doppler Shift in Neon
- 28 January 1985
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 54 (4) , 255-258
- https://doi.org/10.1103/physrevlett.54.255
Abstract
The relativistic Doppler shift is measured by the counting of the frequency difference between two cw dye lasers. One laser is locked to a two-photon transition in a fast beam of neon, and the other is locked to the same two-photon transition in thermal neon. The experimental result is compared to the prediction of special relativity. The result is in excellent agreement with this theory. An accuracy of 4× is obtained, which provides the most accurate direct verification of time dilatation to date.
Keywords
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