A new type of analytical model for complex radiation emission of hollow ions in fusion, laser and heavy-ion-beam-produced plasmas

A new type of model for the determination of spectral line shapes and intensities originating from complex autoionizing atomic and ionic levels is proposed. It is based on the introduction of a generalized line profile function (GLPF) for the total contour. GLPF removes the separation of population...

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Bibliographic Details
Published in:Europhysics letters 2001-08, Vol.55 (4), p.472-478
Main Author: Rosmej, F. B
Format: Article
Language:English
Subjects:
32.70.Fw
32.80.Dz
32.80.Hd
Absolute and relative intensities
Atomic and molecular physics
Atomic properties and interactions with photons
Autoionization
Exact sciences and technology
Intensities and shapes of atomic spectral lines
Photon interactions with atoms
Physics
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Summary:A new type of model for the determination of spectral line shapes and intensities originating from complex autoionizing atomic and ionic levels is proposed. It is based on the introduction of a generalized line profile function (GLPF) for the total contour. GLPF removes the separation of population kinetics and line profile calculations. An analytical solution unifying low- and high-density limits is derived which permits to shrink population kinetics by several orders of magnitude without loss of spectral details when using GLPF. Exact numerical calculations show that even under extreme conditions such as hot electrons and transient plasma evolution the generalized line profile function approach holds true.
ISSN:0295-5075
1286-4854
DOI:10.1209/epl/i2001-00439-9