Doubly excited /sup 1/S/sup e/ resonance states of helium atoms below the N hydrogenic thresholds with Nless than or equal to6
Journal Article
·
· Phys. Rev. A; (United States)
New results for doubly excited /sup 1/S/sup e/ autoionizing states of helium atoms converging on the N = 2 to N = 6 He/sup +/ thresholds are calculated by use of a method of complex-coordinate rotation. Resonance parameters (both energy and width) obtained by using Hylleraas-type wave functions with 308 terms are compared with the recent close-coupling and hyperspherical-coordinate calculations.
- Research Organization:
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803-4001
- OSTI ID:
- 5111092
- Journal Information:
- Phys. Rev. A; (United States), Journal Name: Phys. Rev. A; (United States) Vol. 34:5; 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
ATOMS
AUTOIONIZATION
CALCULATION METHODS
ELECTRONIC STRUCTURE
ELEMENTS
ENERGY LEVELS
FLUIDS
FUNCTIONS
GASES
HELIUM
IONIZATION
MANY-BODY PROBLEM
NONMETALS
RARE GASES
RESONANCE
TWO-BODY PROBLEM
WAVE FUNCTIONS
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
ATOMS
AUTOIONIZATION
CALCULATION METHODS
ELECTRONIC STRUCTURE
ELEMENTS
ENERGY LEVELS
FLUIDS
FUNCTIONS
GASES
HELIUM
IONIZATION
MANY-BODY PROBLEM
NONMETALS
RARE GASES
RESONANCE
TWO-BODY PROBLEM
WAVE FUNCTIONS