Abstract

A statistical method is introduced to deal with the two-electron energies of aconfiguration in the detailed term accounting (DTA) approximation for thespectral line absorption in the radiative opacity of laser-produced plasmasin local thermodynamics equilibrium. The relativistic Hartree-Fock-Slaterself-consistent field average atom model is used to select the reference ionwith most probability and providing basically atomic data. In this way,fully frequency-dependent and spectral resolved opacity for heavy elementscan be obtained readily for the primary design of radiation transfer in theinertial confinement fusion simulation. Opacities of Au plasmas are given.

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