Dipole transition strengths in Ba{sup +} from Rydberg fine-structure measurements in Ba and Ba{sup +}
Journal Article
·
· Physical Review. A
- Colorado State University, Fort Collins, Colorado 80523 (United States)
The fine structure of high-L n = 19 and 20 Rydberg states of Ba{sup +} has been measured precisely using the resonant excitation Stark ionization spectroscopy technique, allowing for a determination of the Ba{sup 2+} polarizability: {alpha}{sub D}(Ba{sup 2+}) = 10.75(10) a.u. This result, in combination with an improved model of the K splittings in Ba Rydberg levels, allows for a more precise determination of the Ba{sup +} dipole transition strengths connecting the 6 {sup 2}S{sub 1/2} ground state to the 6 {sup 2}P{sub 1/2} and 6 {sup 2}P{sub 3/2} excited states. The results, in atomic units, are <6 {sup 2}S{sub 1/2} ||D|| 6 {sup 2}P{sub 1/2}> = 3.3251(21) and <6 {sup 2}S{sub 1/2} ||D|| 6 {sup 2}P{sub 3/2}> = 4.7017(27).
- OSTI ID:
- 21442910
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 1 Vol. 82; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
74 ATOMIC AND MOLECULAR PHYSICS
BARIUM IONS
CHARGED PARTICLES
E1-TRANSITIONS
ELECTRICAL PROPERTIES
ELECTRON SPECTROSCOPY
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EXCITATION
EXCITED STATES
FINE STRUCTURE
FUNCTIONS
GROUND STATES
IONIZATION
IONS
M1-TRANSITIONS
MULTIPOLE TRANSITIONS
P STATES
PHYSICAL PROPERTIES
POLARIZABILITY
RYDBERG STATES
S STATES
SPECTROSCOPY
STRENGTH FUNCTIONS
BARIUM IONS
CHARGED PARTICLES
E1-TRANSITIONS
ELECTRICAL PROPERTIES
ELECTRON SPECTROSCOPY
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EXCITATION
EXCITED STATES
FINE STRUCTURE
FUNCTIONS
GROUND STATES
IONIZATION
IONS
M1-TRANSITIONS
MULTIPOLE TRANSITIONS
P STATES
PHYSICAL PROPERTIES
POLARIZABILITY
RYDBERG STATES
S STATES
SPECTROSCOPY
STRENGTH FUNCTIONS