Relativistic many-body calculations of energy levels, hyperfine constants, electric-dipole matrix elements, and static polarizabilities for alkali-metal atoms
MS Safronova, WR Johnson, A Derevianko - Physical Review A, 1999 - APS
Removal energies and hyperfine constants of the lowest four ns, np 1/2, and np 3/2 states in
Na, K, Rb, and Cs are calculated; removal energies of the n= 7–10 states and hyperfine …
Na, K, Rb, and Cs are calculated; removal energies of the n= 7–10 states and hyperfine …
Spectroscopy with trapped francium: advances and perspectives for weak interaction studies
Francium is a candidate for atomic parity non-conservation (PNC) experiments. Its simple
atomic structure has been the subject of extensive experimental research facilitated by the …
atomic structure has been the subject of extensive experimental research facilitated by the …
Calculations of parity-nonconserving amplitudes in Cs, Fr, and
We have performed ab initio mixed-states and sum-over-states calculations of parity-
nonconserving (PNC) electric dipole (E 1) transition amplitudes between s− d electron states …
nonconserving (PNC) electric dipole (E 1) transition amplitudes between s− d electron states …
Laser trapping of radioactive atoms
GD Sprouse, LA Orozco - Annual Review of Nuclear and Particle …, 1997 - annualreviews.org
▪ Abstract Light forces acting on radioactive atoms confine them in cold samples of large
phase space density. We describe the processes of radioactive atom production, reduction …
phase space density. We describe the processes of radioactive atom production, reduction …
Lifetime measurements of the levels of atomic francium
JE Simsarian, LA Orozco, GD Sprouse, WZ Zhao - Physical Review A, 1998 - APS
We present lifetime measurements of the 7 p 2 P 3/2 and 7 p 2 P 1/2 levels of Fr. We use a
time-correlated single-photon counting technique on a cold sample of 210 Fr atoms in a …
time-correlated single-photon counting technique on a cold sample of 210 Fr atoms in a …
Radiative and correlation effects on the parity-nonconserving transition amplitude in heavy alkali-metal atoms
VM Shabaev, II Tupitsyn, K Pachucki, G Plunien… - Physical Review A …, 2005 - APS
The complete gauge-invariant set of the one-loop QED corrections to the parity-
nonconserving (PNC) amplitude in cesium and francium is evaluated to all orders in α Z …
nonconserving (PNC) amplitude in cesium and francium is evaluated to all orders in α Z …
Hyperfine anomaly measurements in francium isotopes and the radial distribution of neutrons
JS Grossman, LA Orozco, MR Pearson, JE Simsarian… - Physical review …, 1999 - APS
We have measured the hyperfine structure of the 7 P 1/2 level for 2 0 8− 2 1 2 Fr to a
precision of 300 ppm. These measurements along with previous ground state hyperfine …
precision of 300 ppm. These measurements along with previous ground state hyperfine …
Low-lying and states of , and
C Bahrim, U Thumm - Physical Review A, 2000 - APS
Our Dirac R-matrix calculations suggest that none of the heavy alkali-metal negative ions,
Rb, Cs, and Fr, has an excited bound state. Their lowest excited state appears to be a …
Rb, Cs, and Fr, has an excited bound state. Their lowest excited state appears to be a …
Polarizabilities and parity nonconservation in the Cs atom and limits on the deviation from the standard electroweak model
A semiempirical calculation of the 6 s− 7 s Stark amplitude α in Cs has been performed
using the most accurate measurements and calculations of the electromagnetic amplitudes …
using the most accurate measurements and calculations of the electromagnetic amplitudes …
Electronic properties of francium diatomic compounds and prospects for cold molecule formation
M Aymar, O Dulieu, F Spiegelman - Journal of Physics B: Atomic …, 2006 - iopscience.iop.org
In this work, we investigate the possibility of creating cold Fr 2, RbFr and CsFr molecules
through the photoassociation of cold atoms. Potential curves, permanent and transition …
through the photoassociation of cold atoms. Potential curves, permanent and transition …