Multiconfiguration Dirac-Hartree-Fock calculations of transition rates and lifetimes of the eight lowest excited levels of radium

Abstract

The multiconfiguration Dirac-Hartree-Fock (MCDHF) model has been employed to calculate the transition rates between the nine lowest levels of radium. The dominant rates were then used to evaluate the radiative lifetimes. The decay of the metastable $7s7p^3{P}_0$ state through 2-photon E1M1 and hyperfine induced channels is also studied.

References in corpus (6)

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• Hyperfine quenching of the metastable ${}^3{P}_{0,2}$ states in divalent atoms
• Calculation of parity and time invariance violation in the radium atom
• Calculations of energy levels and lifetimes of low-lying states of barium and radium
• Two-photon E1M1 decay of 2 3P0 states in heavy heliumlike ions
• TRI$\mu$P - A New Facility to Investigate Fundamental Interactions with Optically Trapped Radioactive Atoms

Cited by in corpus (7)

• Spectra of barium, radium, and element 120; application of the combined correlation potential, singles-doubles, and configuration interaction ab initio method
• Compilation of spectroscopic data of Radium (Ra I and Ra II)
• MCDHF calculations of the electric dipole moment of radium induced by the nuclear Schiff moment
• Measurements of electric quadrupole transition frequencies in ${}^{226}$Ra${}^{+}$
• Absolute frequency measurement of the 7s${}^2$ ${}^1$S${}_0$ $-$ 7s7p ${}^1$P${}_1$ transition in ${}^{225}$Ra
• Barium-based Rydberg atom quantum technologies with long Rydberg coherence
• Lifetime determination of the 5d${}^2$~${}^3$F${}_2$ state in barium using trapped atoms