Electrons bound in highly charged heavy ions such as hydrogen-like bismuth 209Bi82+ experience electromagnetic fields that are a million times stronger than in light atoms. Measuring the wavelength of light emitted and absorbed by these ions is therefore a sensitive testing ground for quantum electrodynamical (QED) effects and especially the electron–nucleus interaction under such extreme conditions. However, insufficient knowledge of the nuclear structure has prevented a rigorous test of strong-field QED. Here we present a measurement of the so-called specific difference between the hyperfine splittings in hydrogen-like and lithium-like bismuth 209Bi82+,80+ with a precision that is improved by more than an order of magnitude. Even though t...
Journal of Physics B: Atomic, Molecular and Optical Physics Paper • The following article is OPEN AC...
High-precision measurements and calculations of energy spectra of hydrogen-like atoms provide tests ...
Few-electron ions, which can be produced and studied at rest in electron beam ion traps (EBITs) are ...
The hyperfine structure splitting in the 6p3S3/24→6p27sP1/24 transition at 307 nm in atomic 208Bi wa...
We have recently reported on the first direct measurement of the $2s$ hyperfine transition in lithiu...
The hyperfine structure splitting in the $6p^{3\ 4}S_{3/2} \rightarrow 6p^27s^4P_{1/2}$ transition a...
The hyperfine structure splitting in the 6p2 4S3/2 -> 6p27s 4P1/2 transition at 307 nm in atomic 208...
The hyperfine structure splitting in the 6p2 4S3/2 -> 6p27s 4P1/2 transition at 307 nm in atomic 208...
The LIBELLE experiment performed at the experimental storage ring at the GSI Helmholtz Center for He...
The LIBELLE experiment performed at the experimental storage ring (ESR) at the GSI Helmholtz Center ...
Systematic model calculations are performed for the magnetization distributions and the hyperfine st...
Highly charged ions provide a unique opportunity to test our understanding of atomic properties unde...
We consider hyperfine splitting of is and, in part, of 2s levels in light hydrogen-like atoms: hydro...
We consider the most accurate tests of bound state QED, precision theory of simple atoms, related to...
Atomic binding energies are calculated at utmost precision. A report on the current status of Lamb-s...
Journal of Physics B: Atomic, Molecular and Optical Physics Paper • The following article is OPEN AC...
High-precision measurements and calculations of energy spectra of hydrogen-like atoms provide tests ...
Few-electron ions, which can be produced and studied at rest in electron beam ion traps (EBITs) are ...
The hyperfine structure splitting in the 6p3S3/24→6p27sP1/24 transition at 307 nm in atomic 208Bi wa...
We have recently reported on the first direct measurement of the $2s$ hyperfine transition in lithiu...
The hyperfine structure splitting in the $6p^{3\ 4}S_{3/2} \rightarrow 6p^27s^4P_{1/2}$ transition a...
The hyperfine structure splitting in the 6p2 4S3/2 -> 6p27s 4P1/2 transition at 307 nm in atomic 208...
The hyperfine structure splitting in the 6p2 4S3/2 -> 6p27s 4P1/2 transition at 307 nm in atomic 208...
The LIBELLE experiment performed at the experimental storage ring at the GSI Helmholtz Center for He...
The LIBELLE experiment performed at the experimental storage ring (ESR) at the GSI Helmholtz Center ...
Systematic model calculations are performed for the magnetization distributions and the hyperfine st...
Highly charged ions provide a unique opportunity to test our understanding of atomic properties unde...
We consider hyperfine splitting of is and, in part, of 2s levels in light hydrogen-like atoms: hydro...
We consider the most accurate tests of bound state QED, precision theory of simple atoms, related to...
Atomic binding energies are calculated at utmost precision. A report on the current status of Lamb-s...
Journal of Physics B: Atomic, Molecular and Optical Physics Paper • The following article is OPEN AC...
High-precision measurements and calculations of energy spectra of hydrogen-like atoms provide tests ...
Few-electron ions, which can be produced and studied at rest in electron beam ion traps (EBITs) are ...