Browsing by Author "Lee, Siu Au"

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  • Measurement of the relativistic Doppler shift in neon
    (1985) Kaivola, Matti; Poulsen, Ove; Riis, Erling; Lee, Siu Au
     School of Science | A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
    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 4x10exp-5 is obtained, which provides the most accurate direct verification of time dilatation to date.