QED tests with highly charged ions
P Indelicato - Journal of Physics B: Atomic, Molecular and Optical …, 2019 - iopscience.iop.org
The current status of bound state quantum electrodynamics calculations of transition
energies for few-electron ions is reviewed. Evaluation of one and two body QED correction …
energies for few-electron ions is reviewed. Evaluation of one and two body QED correction …
Progress in quantum electrodynamics theory of highly charged ions
Recent progress in quantum electrodynamics (QED) calculations of highly charged ions is
reviewed. The theoretical predictions for the binding energies, the hyperfine splittings, and …
reviewed. The theoretical predictions for the binding energies, the hyperfine splittings, and …
Model operator approach to the Lamb shift calculations in relativistic many-electron atoms
VM Shabaev, II Tupitsyn, VA Yerokhin - Physical Review A—Atomic, Molecular …, 2013 - APS
A model operator approach to calculations of the QED corrections to energy levels in
relativistic many-electron atomic systems is developed. The model Lamb shift operator is …
relativistic many-electron atomic systems is developed. The model Lamb shift operator is …
Factor of Boronlike Argon
I Arapoglou, A Egl, M Höcker, T Sailer, B Tu, A Weigel… - Physical Review Letters, 2019 - APS
We have measured the ground-state g factor of boronlike argon Ar 40 13+ with a fractional
uncertainty of 1.4× 10-9 with a single ion in the newly developed Alphatrap double Penning …
uncertainty of 1.4× 10-9 with a single ion in the newly developed Alphatrap double Penning …
Factor of Lithiumlike Silicon
The g factor of lithiumlike silicon Si 11+ 28 has been measured in a triple-Penning trap with
a relative uncertainty of 1.1× 10-9 to be g exp= 2.000 889 889 9 (21). The theoretical …
a relative uncertainty of 1.1× 10-9 to be g exp= 2.000 889 889 9 (21). The theoretical …
Complete two-loop correction to the bound-electron factor
Within a systematic approach based on dimensionally regularized nonrelativistic quantum
electrodynamics, we derive a complete result for the two-loop correction to order (α∕ π) 2 (Z …
electrodynamics, we derive a complete result for the two-loop correction to order (α∕ π) 2 (Z …
-Factor of Heavy Ions: A New Access to the Fine Structure Constant
A possibility for a determination of the fine structure constant in experiments on the bound-
electron g-factor is examined. It is found that studying a specific difference of the g-factors of …
electron g-factor is examined. It is found that studying a specific difference of the g-factors of …
Ground-State Factor of Highly Charged Ions: An Access to the M1 Transition Probability between the Isomeric and Ground Nuclear States
VM Shabaev, DA Glazov, AM Ryzhkov, C Brandau… - Physical Review Letters, 2022 - APS
A method is proposed to determine the M 1 nuclear transition amplitude and hence the
lifetime of the “nuclear clock transition” between the low-lying (∼ 8 eV) first isomeric state …
lifetime of the “nuclear clock transition” between the low-lying (∼ 8 eV) first isomeric state …
Factor of Light Ions for an Improved Determination of the Fine-Structure Constant
A weighted difference of the g factors of the H-and Li-like ions of the same element is
theoretically studied and optimized in order to maximize the cancellation of nuclear effects …
theoretically studied and optimized in order to maximize the cancellation of nuclear effects …
Factor of Lithiumlike Silicon: New Challenge to Bound-State QED
The recently established agreement between experiment and theory for the g factors of
lithiumlike silicon and calcium ions manifests the most stringent test of the many-electron …
lithiumlike silicon and calcium ions manifests the most stringent test of the many-electron …