Abstract

The generalized relativistic energy approach with using the Debye shielding model is used for studying spectral parameters of ions in plasma and determination of the oscillator strengths for the Be-like ions. An electronic Hamiltonian for N-electron ion in a plasma is added by the Yukawa-type electron-electron and nuclear interaction potential. Oscillator strengths gf for 2s2 -[2s1/22p3/2] 1 transition in Be-like Fe are computed for different values of the electron density and temperature ( ne =1022-1024cm-3, T=0.5-2 keV) of plasmas are presented and compared with available alternative spectroscopic data.

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