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 2s 2-[2s 1/2 2p 3/2 ] 1 transition in Be-like Fe are computed for different values of the electron density and temperature (n e =10 22-10 24 cm-3 , T=0.5-2 keV) of plasmas are presented and compared with available alternative spectroscopic data.

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