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Breit Interaction and Parity Non-conservation in Many-Electron Atoms
V. A. Dzuba, V. V. Flambaum, M. S. Safronova
We present accurate {\em ab initio} non-perturbative calculations of the Breit correction to the parity non-conserving (PNC) amplitudes of the and transitions…
Calculations of energy levels and lifetimes of low-lying states of barium and radium
V. A. Dzuba, J. S. M. Ginges
We use the configuration interaction method and many-body perturbation theory to perform accurate calculations of energy levels, transition amplitudes, and lifetimes of low-lying s…
A New Option for a Search for Alpha Variation: Narrow Transitions with Enhanced Sensitivity
S. G. Karshenboim, A. Yu. Nevsky, E. J. Angstmann +2
We consider several transitions between narrow lines that have an enhanced sensitivity to a possible variation of the fine structure constant, alpha. This enhancement may allow a s…
Fine Structure Anomalies and Search for Variation of the Fine Structure Constant in Laboratory Experiments
V. A. Dzuba, V. V. Flambaum
Configuration interaction in many-electron atoms may cause anomalies in the fine structure which make the intervals small and very sensitive to variation of the fine structure cons…
Calculation of isotope shifts for cesium and francium
V. A. Dzuba, W. R. Johnson, M. S. Safronova
We perform ab initio calculations of isotope shifts for isotopes of cesium (from A=123 to A=137) and francium (from A=207 to A=228). These calculations start from the relativistic…
Calculation of the energy levels of Ge, Sn, Pb and their ions in the approximation
V. A. Dzuba
Energy levels of germanium, tin and lead together with their single, double and triple ionized positive ions have been calculated using the approximation suggested in the…