Wavelength-dispersive spectroscopy in the hard x-ray regime of a heavy highly-charged ion: The 1s Lamb shift in hydrogen-like gold

Abstract : Accurate spectroscopy of highly charged high-Z ions in a storage ring is demonstrated to be feasible by the use of specially adapted crystal optics. The method has been applied for the measurement of the 1s Lamb shift in hydrogen-like gold (Au 78+) in a storage ring through spectroscopy of the Lyman x rays. This measurement represents the first result obtained for a high-Z element using high-resolution wavelength-dispersive spectroscopy in the hard x-ray regime, paving the way for sensitivity to higher-order QED effects.
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Preprints, Working Papers, ...
2017
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Submitted on : Tuesday, July 4, 2017 - 1:44:13 PM
Last modification on : Monday, November 6, 2017 - 10:49:45 AM

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  • HAL Id : hal-01546356, version 2
  • ARXIV : 1706.08778

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T Gassner, Martino Trassinelli, R Heß, U Spillmann, D Banas, et al.. Wavelength-dispersive spectroscopy in the hard x-ray regime of a heavy highly-charged ion: The 1s Lamb shift in hydrogen-like gold. 2017. 〈hal-01546356v2〉

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