134 citations · 141 across the 19 of their papers we have counts for
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Using the Th III Ion for a Nuclear Clock and Searches for New Physics
V. A. Dzuba, V. V. Flambaum
The 229Th nucleus possesses a unique low-frequency transition at 8.4 eV, which is being considered for the development of an extremely accurate nuclear clock. We investigate an ele…
Searching for new physics using high precision absorption spectroscopy; continuum placement uncertainties and the fine structure constant in strong gravity
Chung-Chi Lee, John K. Webb, Darren Dougan +3
Searches for variations of fundamental constants require a comprehensive understanding of measurement errors. This paper examines a source of error that is usually overlooked: the…
Searching for new physics using high precision absorption spectroscopy; continuum placement uncertainties and towards the quasar PHL957
John K. Webb, Chung-Chi Lee, Dinko Milaković +3
Detecting or placing upper limits on spacetime variations of fundamental constants requires quantifying every potential source of uncertainty. We continue our previous study into t…
Calculation of the correlation, relativistic and QED corrections to the total electron binding energy in atoms and their nuclear charge dependence
V. A. Dzuba, V. V. Flambaum, A. V. Afanasjev
We present relativistic many-body calculations of total electron binding energy of neutral atoms up to element . Binding energy for ions may be found by subtracting known io…
Highly charged ions of heavy actinides as sensitive probes for time variation of the fine structure constant
V. A. Dzuba, V. V. Flambaum
Highly charged ions of heavy actinides from uranium to einsteinium are studied theoretically to find optical transitions sensitive to the variation of the fine structure constant.…
High-accuracy optical clocks with sensitivity to the fine-structure constant variation based on Sm
Saleh O. Allehabi, V. A. Dzuba, V. V. Flambaum
We identify two metastable excited states in Sm highly charged ion as candidates for high accuracy optical clocks. Several atomic properties relevant to optical clock dev…
The Mystery of Alpha and the Isotopes
John K. Webb, Chung-Chi Lee, Dinko Milakovic +3
We report unbiased AI measurements of the fine structure constant in two proximate absorption regions in the spectrum of the quasar HE05154414. The data are high resolution,…