Storage rings have been employed over three decades in various kinds of nuclear and
atomic physics experiments with highly charged ions. Storage ring operation and precision …

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 …

Precision study of few-electron, high-Z ions is a privileged field for probing high-field, bound-
state quantum electrodynamics (BSQED). However, the accuracy of such tests is plagued by …

The research progresses on the investigations of atomic structure and collision dynamics
with highly charged ions based on the heavy ion storage rings and electron ion beam traps …

Quantum electrodynamics (QED), the quantum field theory that describes the interaction
between light and matter, is commonly regarded as the best-tested quantum theory in …

We report on the first integration of novel magnetic microcalorimeter detectors (MMCs),
developed within SPARC (Stored Particles Atomic Physics Research Collaboration), into the …

Ab initio calculations of QED radiative corrections to the P 1/2 2-P 3/2 2 fine-structure
transition energy are performed for selected F-like ions. These calculations are …

Electronic $ K $ x rays emitted by muonic Ar atoms in the gas phase were observed using a
superconducting transition-edge-sensor microcalorimeter. The high-precision energy …

We present research program and project for high-resolution wavelength-dispersive
spectrometer dedicated to low-energy X-ray spectroscopy at the electron cooler of the …

The concept of a relatively new type of energy sensitive detectors, namely calorimetric low
temperature detectors, which measure the temperature rise of an absorber due to the impact …