Shifts of hydrogen lines from electron collisions in dense plasmas
Journal Article
·
· Phys. Rev. A; (United States)
The semiclassical impact-parameter method is used to calculate shifts of Lyman and Balmer lines from levels n< or =6 caused by electrons in a dense plasma. Comparison with measurements and estimates of shifts due to ion quadrupole interactions indicate that shifts from distant electron-atom collisions are the major cause of observed shifts of Balmer lines. Blue shifts from ion-atom quadrupole interactions are relatively small for low series members.
- Research Organization:
- Laboratory for Plasma and Fusion Energy Studies, University of Maryland, College Park, Maryland 20742
- OSTI ID:
- 5469629
- Journal Information:
- Phys. Rev. A; (United States), Journal Name: Phys. Rev. A; (United States) Vol. 28:3; ISSN PLRAA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700105 -- Fusion Energy-- Plasma Research-- Plasma Kinetics-Theoretical-- (-1987)
74 ATOMIC AND MOLECULAR PHYSICS
BALMER LINES
CHARGED PARTICLES
COLLISIONAL PLASMA
COLLISIONS
ELECTRON COLLISIONS
ELECTRON-ION COLLISIONS
HYDROGEN IONS
IMPACT PARAMETER
ION COLLISIONS
IONS
LYMAN LINES
PLASMA
RED SHIFT
SPECTRAL SHIFT
STARK EFFECT
Molecular & Chemical Physics-- Collision Phenomena
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700105 -- Fusion Energy-- Plasma Research-- Plasma Kinetics-Theoretical-- (-1987)
74 ATOMIC AND MOLECULAR PHYSICS
BALMER LINES
CHARGED PARTICLES
COLLISIONAL PLASMA
COLLISIONS
ELECTRON COLLISIONS
ELECTRON-ION COLLISIONS
HYDROGEN IONS
IMPACT PARAMETER
ION COLLISIONS
IONS
LYMAN LINES
PLASMA
RED SHIFT
SPECTRAL SHIFT
STARK EFFECT