Dielectronic recombination data for dynamic finite-density plasmas XII : The helium isoelectronic sequence

Bautista, M. A. and Badnell, N. R. (2007) Dielectronic recombination data for dynamic finite-density plasmas XII : The helium isoelectronic sequence. Astronomy and Astrophysics, 466 (2). pp. 755-762. ISSN 0004-6361 (https://doi.org/10.1051/0004-6361:20077056)

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Abstract

We report on total and final-state resolved partial dielectronic recombination data for helium-like ions forming lithium-like ions. The calculations consider ions of Li, Be, B, C, N, O, F, Ne, Na, Mg, Al, Si, P, S, Cl, Ar, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Zn, Kr, Mo, and Xe. The results are discussed and compared with available experimental data and with previous calculations. Our archived datasets include both total and level-specific DR rate coefficients. The total ion rate coefficients are provided both in tabulated form and as analytical fits for easy implementation into spectral modelling codes. We employ the level specific rate coefficients in constructing detailed spectral models of Li-like ions including the combined effects of collisional excitation and recombination. The results from these models are compared with the those pure collisional excitation models under typical conditions of low density plasmas. This work is part of an assembly of a dielectronic recombination database for modelling of finite-density plasmas.

ORCID iDs

Bautista, M. A. and Badnell, N. R. ORCID logoORCID: https://orcid.org/0000-0001-7418-7996;
  • Item type:Article
    ID code:31181
    Dates:
    Date
    Event
    May 2007
    Published
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:01 Jul 2011 14:37
    Last modified:11 Nov 2024 09:45
    URI:https://strathprints.strath.ac.uk/id/eprint/31181
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