L-shell photoionization cross-sections for Fe XIX and Fe XX recombination rate coefficients
نویسندگان
چکیده
منابع مشابه
Photoionization cross sections for Fe XVI and Fe XVII recombination rate coefficients
The Breit-Pauli R-matrix codes are utilized in a detailed study of the photoionization of the ground state of Fe XVI (2s22p63s S1/2). High resolution total and partial cross sections are obtained using 37 Jπ configuration interaction type wavefunctions to represent the residual ion, Fe XVII, after 3s, 2p and 2s photoionization. For the total cross section, the work of Verner et al. and previous...
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Photoionization cross sections and recombination rate coefficients are presented for the L-shell ground state fine structure levels 2s2p 3P2,0,1 of Fe XIX. Several sets of calculations including relativistic effects are carried out: (i) Breit-Pauli R-matrix (BPRM), (ii) Relativistic Distorted Wave (RDW), and (iii) a semi-relativistic calculation. Nonrelativistic LS coupling calculations are als...
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Photoionization and recombination cross sections and rate coefficients are calculated for Li-like Fe XXIV and He-like Fe XXV using the Breit-Pauli R-matrix (BPRM) method. A complete set of total and level-specific parameters is obtained to enable X-ray photoionization and spectral modeling. The ab initio calculations for the unified (e + ion) recombination rate coefficients include both the non...
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Abshnct. Large scale ab initio calculations for the radiative data of Fe II have bcen carried out in lhe close coupling (cc) approximation employing the R-matrix method and a target slate expansion consisting of 83 LS terms of Fe 111. All bound states of Fe II with n< 10 and / <7 are considered. The results include 1301 bound states in LS coupling, oscillator strengths for 35 941 transitions am...
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Ab initio calculations are carried out for the photoionization cross sections and oscillator strengths for Fe III in the close-coupling approximation employing the R-matrix method. A 49-state eigenfunction expansion for Fe IV, with states dominated by the ground configuration 3d and the excited configurations 3d 4s and 3d 4p , is employed to ensure an extensive treatment of autoionizing resonan...
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ژورنال
عنوان ژورنال: Monthly Notices of the Royal Astronomical Society
سال: 1999
ISSN: 0035-8711,1365-2966
DOI: 10.1046/j.1365-8711.1999.02607.x