Polarizabilities of Rn-like Th{sup 4+} from rf spectroscopy of Th{sup 3+} Rydberg levels
Journal Article
·
· Physical Review. A
- Department of Physics, Colorado State University, Fort Collins, Colorado 80523 (United States)
High-resolution studies of the fine-structure pattern in high-L n = 37 levels of Th{sup 3+} have been carried out using radio-frequency (rf) spectroscopy detected with resonant excitation Stark ionization spectroscopy (RESIS). Intervals separating L = 9 to L = 15 levels have been measured, and the results analyzed with the long-range effective potential model. The dipole polarizability of Th{sup 4+}is determined to be {alpha}{sub D} = 7.720(7) a.u. The quadrupole polarizability is found to be 21.5(3.9) a.u. Both measurements represent significant tests of a priori theoretical descriptions of this highly relativistic ion.
- OSTI ID:
- 21550098
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 6 Vol. 83; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
74 ATOMIC AND MOLECULAR PHYSICS
CHARGED PARTICLES
DIPOLES
ELECTRICAL PROPERTIES
ELECTROMAGNETIC RADIATION
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EXCITATION
FINE STRUCTURE
IONIZATION
IONS
MULTIPOLES
PHYSICAL PROPERTIES
POLARIZABILITY
POTENTIALS
RADIATIONS
RADIOWAVE RADIATION
RELATIVISTIC RANGE
RESOLUTION
SPECTROSCOPY
STARK EFFECT
THORIUM IONS
CHARGED PARTICLES
DIPOLES
ELECTRICAL PROPERTIES
ELECTROMAGNETIC RADIATION
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EXCITATION
FINE STRUCTURE
IONIZATION
IONS
MULTIPOLES
PHYSICAL PROPERTIES
POLARIZABILITY
POTENTIALS
RADIATIONS
RADIOWAVE RADIATION
RELATIVISTIC RANGE
RESOLUTION
SPECTROSCOPY
STARK EFFECT
THORIUM IONS