Relativistic Atomic Calculations of Spectral Parameters of Be-Like Tungsten Ion

K. Hamasha Department of Basic Sciences, Al-Huson University College, Al-Balqa Applied University, Al-Salt 19117, Jordan

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Comprehensive large scale atomic spectral data calculations were performed for a Be-like tungsten ion (W70+), starting from a shell number n=2, through n=3, 4, 5, 6, 7, and ending at a shell number n=8. We applied the relativistic configuration interaction method of the flexible atomic code. The generated data include detailed information concerning allowed and forbidden transitions, together with transition energies, transition wavelengths, transition rates and oscillator strengths for electric-dipole (E1), electric-quadruple (E2), electric-octupole (E3), magnetic-dipole (M1), magnetic-quadruple (M2) and magnetic-octupole (M3) transitions. The produced atomic data are satisfactory when compared to the previously published results calculated by GRASP2K code. The procured multipole transitions data were used to construct synthetic spectra for allowed and forbidden transitions of W70+. We simulated the experimental spectra of low-density W plasma and found the spectral range 0.6-1.4 Å. The produced atomic data is important for several research branches, including fusion research and plasma physics.

DOI:10.12693/APhysPolA.139.151 topics: electric dipole transitions, forbidden transitions, oscillator strengths, transition rates