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

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

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007a%26a...466..755b&link_type=abstract

Astronomy and Astrophysics, Volume 466, Issue 2, May I 2007, pp.755-762

Astronomy and Astrophysics

Astrophysics

9

Atomic Data, Atomic Processes, Line: Formation

Scientific paper

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.

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