Abstract
Abstract Some 16 transitions in atomic oxygen originating from its 3P ground state were measured using a tunable narrow-band extreme-ultraviolet laser source, with an unprecedented accuracy of Δλ/λ = 8 × 10−8. The results are relevant for comparisons with spectral absorption features observed in the line of sight of quasars, in order to test a possible variation of the fine-structure constant α on a cosmological time-scale.
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Schedule a callMore From: Monthly Notices of the Royal Astronomical Society: Letters
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