Fine and hyperfine structure of the Li/sup -/ spectrum
Journal Article
·
· Phys. Rev. A; (United States)
The fine and hyperfine structures of the doubly excited, quintet states of the /sup 7/Li/sup -/ ion are of comparable magnitude. This leads to strong second-order hyperfine corrections and to significant distortion of the Lande interval rule. We discuss the results of our many-body calculations in this system, and also in the analogous lithium quartet systems for which experimental data exist. We find that the hyperfine matrix elements of these few-electron systems may be adequately computed without detailed consideration of the electron correlations. Fine structure is significantly affected by such correlations. Experimental verification of the Li/sup -/ structure is underway.
- Research Organization:
- Physics Division, Argonne National Laboratory, Argonne, Illinois 60439
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 6541906
- Journal Information:
- Phys. Rev. A; (United States), Journal Name: Phys. Rev. A; (United States) Vol. 30:2; ISSN PLRAA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640302* -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
ANIONS
CHARGED PARTICLES
CONFIGURATION INTERACTION
CORRELATIONS
ELECTRON CORRELATION
ENERGY LEVELS
EXCITED STATES
FINE STRUCTURE
HYPERFINE STRUCTURE
IONS
LITHIUM IONS
MANY-BODY PROBLEM
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
ANIONS
CHARGED PARTICLES
CONFIGURATION INTERACTION
CORRELATIONS
ELECTRON CORRELATION
ENERGY LEVELS
EXCITED STATES
FINE STRUCTURE
HYPERFINE STRUCTURE
IONS
LITHIUM IONS
MANY-BODY PROBLEM