Ionization state, excited populations and emission of impurities in dynamic finite density plasmas: I. The generalized collisional-radiative model for light elements

H.P. Summers, W.J. Dickson, M.G. O'Mullane, N.R. Badnell, A.D. Whiteford, D.H. Brooks, J. Lang, S.D. Loch, D.C. Griffin

Research output: Contribution to journalArticle

136 Citations (Scopus)

Abstract

The paper presents an integrated view of the population structure and its role in establishing the ionization state of light elements in dynamic, finite density, laboratory and astrophysical plasmas. There are four main issues, the generalized collisional-radiative picture for metastables in dynamic plasmas with Maxwellian free electrons and its particularizing to light elements, the methods of bundling and projection for manipulating the population equations, the systematic production/use of state selective fundamental collision data in the metastable resolved picture to all levels for collisonal-radiative modelling and the delivery of appropriate derived coefficients for experiment analysis. The ions of carbon, oxygen and neon are used in illustration. The practical implementation of the methods described here is part of the ADAS Project.
LanguageEnglish
Pages263-293
Number of pages30
JournalPlasma Physics and Controlled Fusion
Volume48
Issue number2
DOIs
Publication statusPublished - Feb 2006

Fingerprint

Plasma density
light elements
Excited states
plasma density
Ionization
Impurities
Plasmas
ionization
impurities
plasma dynamics
Neon
neon
free electrons
excitation
delivery
astrophysics
projection
Carbon
Oxygen
collisions

Keywords

  • electron-impact excitation
  • dielelectronic recombibnation
  • NE-VII
  • isoelectronic sequence
  • level populations
  • rate coefficinets
  • O-V
  • ions
  • hydrogen
  • plasma

Cite this

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title = "Ionization state, excited populations and emission of impurities in dynamic finite density plasmas: I. The generalized collisional-radiative model for light elements",
abstract = "The paper presents an integrated view of the population structure and its role in establishing the ionization state of light elements in dynamic, finite density, laboratory and astrophysical plasmas. There are four main issues, the generalized collisional-radiative picture for metastables in dynamic plasmas with Maxwellian free electrons and its particularizing to light elements, the methods of bundling and projection for manipulating the population equations, the systematic production/use of state selective fundamental collision data in the metastable resolved picture to all levels for collisonal-radiative modelling and the delivery of appropriate derived coefficients for experiment analysis. The ions of carbon, oxygen and neon are used in illustration. The practical implementation of the methods described here is part of the ADAS Project.",
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Ionization state, excited populations and emission of impurities in dynamic finite density plasmas: I. The generalized collisional-radiative model for light elements. / Summers, H.P.; Dickson, W.J.; O'Mullane, M.G.; Badnell, N.R.; Whiteford, A.D.; Brooks, D.H.; Lang, J.; Loch, S.D.; Griffin, D.C.

In: Plasma Physics and Controlled Fusion, Vol. 48, No. 2, 02.2006, p. 263-293.

Research output: Contribution to journalArticle

TY - JOUR

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AU - Summers, H.P.

AU - Dickson, W.J.

AU - O'Mullane, M.G.

AU - Badnell, N.R.

AU - Whiteford, A.D.

AU - Brooks, D.H.

AU - Lang, J.

AU - Loch, S.D.

AU - Griffin, D.C.

PY - 2006/2

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AB - The paper presents an integrated view of the population structure and its role in establishing the ionization state of light elements in dynamic, finite density, laboratory and astrophysical plasmas. There are four main issues, the generalized collisional-radiative picture for metastables in dynamic plasmas with Maxwellian free electrons and its particularizing to light elements, the methods of bundling and projection for manipulating the population equations, the systematic production/use of state selective fundamental collision data in the metastable resolved picture to all levels for collisonal-radiative modelling and the delivery of appropriate derived coefficients for experiment analysis. The ions of carbon, oxygen and neon are used in illustration. The practical implementation of the methods described here is part of the ADAS Project.

KW - electron-impact excitation

KW - dielelectronic recombibnation

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KW - isoelectronic sequence

KW - level populations

KW - rate coefficinets

KW - O-V

KW - ions

KW - hydrogen

KW - plasma

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