Measurement of the relativistic Doppler shift in neon

Matti Kaivola*, Ove Poulsen, Erling Riis, Siu Au Lee

*Corresponding author for this work

Research output: Contribution to journalArticle

47 Citations (Scopus)

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 4×10-5 is obtained, which provides the most accurate direct verification of time dilatation to date.

Original languageEnglish
Pages (from-to)255-258
Number of pages4
JournalPhysical Review Letters
Volume54
Issue number4
DOIs
Publication statusPublished - 28 Jan 1985
MoE publication typeA1 Journal article-refereed

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