RIS probed dynamical effects in two-electron barium atom

Journal Article · Sat Apr 01 00:00:00 EST 1995 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.47598· OSTI ID:21153678

Camus, Pierre; Cohen, Samuel ^[1]

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1. Laboratoire Aime Cotton, Centre National de la Recherche Scientifique II, Batiment 505, Campus d'Orsay, 91405 Orsay Cedex (France)

We present for Ba Nsnl planetary states an energy level analysis in order to yield values for the Ba{sup +} Ns core polarizabilities. The parametrized effective dipole and quadrupole values extracted from our data for N=7-10 are compared to calculated ones using a static model. Dipole polarizabilities show very close similarities with static values and at the opposite quadrupole polarizabilities exhibit larger discrepancies. These give evidence of non-adiabatic effects between the two asymmetrically excited electrons which are attributed to the increasing strength of dynamical effects on the Ns electron caused by the motion of the outer nl one.

• OSTI ID: 21153678
• Journal Information: AIP Conference Proceedings, Vol. 329, Issue 1; Conference: 7. international symposium on resonance ionization spectroscopy, Bernkastel-Kues (Germany), 3-8 Jul 1994; Other Information: DOI: 10.1063/1.47598; (c) 1995 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
ABSORPTION SPECTROSCOPY
ATOMS
BARIUM
COMPARATIVE EVALUATIONS
DIPOLES
ELECTRONS
ENERGY LEVELS
EXCITATION
IONIZATION
POLARIZABILITY
QUADRUPOLES
RESONANCE