Opportunities for fundamental physics research with radioactive molecules

G Arrowsmith-Kron… - Reports on Progress …, 2023 - iopscience.iop.org
Molecules containing short-lived, radioactive nuclei are uniquely positioned to enable a
wide range of scientific discoveries in the areas of fundamental symmetries, astrophysics …

An optical atomic clock based on a highly charged ion

SA King, LJ Spieß, P Micke, A Wilzewski, T Leopold… - Nature, 2022 - nature.com
Optical atomic clocks are the most accurate measurement devices ever constructed and
have found many applications in fundamental science and technology,–. The use of highly …

Measurement of the bound-electron g-factor difference in coupled ions

T Sailer, V Debierre, Z Harman, F Heiße, C König… - Nature, 2022 - nature.com
Quantum electrodynamics (QED) is one of the most fundamental theories of physics and has
been shown to be in excellent agreement with experimental results,,,–. In particular …

Evidence for Nonlinear Isotope Shift in Search for New Boson

I Counts, J Hur, DPL Aude Craik, H Jeon, C Leung… - Physical Review Letters, 2020 - APS
We measure isotope shifts for five Yb+ isotopes with zero nuclear spin on two narrow optical
quadrupole transitions S 2 1/2→ D 2 3/2, S 2 1/2→ D 2 5/2 with an accuracy of∼ 300 Hz …

Generalized King linearity and new physics searches with isotope shifts

JC Berengut, C Delaunay, A Geddes, Y Soreq - Physical Review Research, 2020 - APS
Atomic spectral lines for different isotopes are shifted, revealing a change in the properties of
the nucleus. For spinless nuclei such isotope shifts for two distinct transitions are expected to …

Prospects of a thousand-ion Sn2+ Coulomb-crystal clock with sub-10−19 inaccuracy

DR Leibrandt, SG Porsev, C Cheung… - Nature …, 2024 - nature.com
Optical atomic clocks are the most accurate and precise measurement devices of any kind,
enabling advances in international timekee**, Earth science, fundamental physics, and …

Sensitivity to new physics of isotope-shift studies using the coronal lines of highly charged calcium ions

NH Rehbehn, MK Rosner, H Bekker, JC Berengut… - Physical Review A, 2021 - APS
Promising searches for new physics beyond the current standard model (SM) of particle
physics are feasible through isotope-shift spectroscopy, which is sensitive to a hypothetical …

Nonlinearities of King's plot and their dependence on nuclear radii

RA Müller, VA Yerokhin, AN Artemyev, A Surzhykov - Physical Review A, 2021 - APS
Investigations of isotope shifts of atomic spectral lines provide insights into nuclear
properties. Deviations from the linear dependence of the isotope shifts of two atomic …

Model-QED-operator approach to relativistic calculations of the nuclear recoil effect in many-electron atoms and ions

IS Anisimova, AV Malyshev, DA Glazov… - Physical Review A, 2022 - APS
A model-operator approach to fully relativistic calculations of the nuclear recoil effect on
energy levels in many-electron atomic systems is worked out. The one-electron part of the …

[HTML][HTML] Fifth-force search with the bound-electron g factor

V Debierre, CH Keitel, Z Harman - Physics Letters B, 2020 - Elsevier
The use of high-precision measurements of the g factor of few-electron ions and its isotope
shifts is put forward as a probe for physics beyond the Standard Model. The contribution of a …