We report the 2018 self-consistent values of constants and conversion factors of physics and
chemistry recommended by the Committee on Data of the International Science Council …

This article reviews recent developments in tests of fundamental physics using atoms and
molecules, including the subjects of parity violation, searches for permanent electric dipole …

This paper gives the 1998 self-consistent set of values of the basic constants and conversion
factors of physics and chemistry recommended by the Committee on Data for Science and …

1.1. Background This article reports work carried out under the auspices of the Committee
on Data for Science and Technology (CODATA) Task Group on Fundamental Constants. 1 It …

1.1. Background This paper gives the complete 2006 CODATA self-consistent set of
recommended values of the fundamental physical constants and describes in detail the …

Recent developments in frequency metrology and optical clocks have been based on
electronic transitions in atoms and singly charged ions as references. The control over all …

The quest for the value of the electron's atomic mass has been the subject of continuing
efforts over the past few decades,,,. Among the seemingly fundamental constants that …

Inner-shell electrons naturally sense the electric field close to the nucleus, which can reach
extreme values beyond 1015 V cm− 1 for the innermost electrons. Especially in few-electron …

Quantum electrodynamics (QED) is the first successful and still the most successful quantum
field theory. Simple atoms, being essentially QED systems, allow highly accurate theoretical …

Helium-3 has nowadays become one of the most important candidates for studies in
fundamental physics,–, nuclear and atomic structure,, magnetometry and metrology, as well …