Study of coupled-cluster correlations on electromagnetic transitions and hyperfine structure constants of W VI

Abstract

This work presents precise calculations of important electromagnetic transition amplitudes along with detail of their many-body correlations using relativistic coupled cluster method. Studies of hyperfine interaction constants, useful for plasma diagnostic, with this correlation exhaustive many-body approach are another important area of this work. The calculated oscillator strengths of allowed transitions, amplitudes of forbidden transitions and lifetimes are compared with the other theoretical results wherever available and they show a good agreement. Hyperfine constants of different isotopes of W VI, presented in this paper will be helpful to get accurate picture of abundances of this element in different astronomical bodies.

15 pages, 1 figure

References in corpus (8)

• Highly-charged ions for atomic clocks, quantum information, and search for $\alpha$-variation
• Dielectronic recombination of xenonlike tungsten ions
• Electron-ion merged-beam experiments at heavy-ion storage rings
• Fock space relativistic coupled-Cluster calculations of Two-Valence Atoms
• Ab initio relativistic many-body calculation of hyperfine splitting of ^{113}Cd^+
• Precise calculations of astrophysically important allowed and forbidden transitions of Xe VIII
• Study of coupled-cluster correlations on electromagnetic transitions and hyperfine structure constants of W VI
• {\it Ab initio} calculations of forbidden transition probabilities and lifetimes of low-lying states in V${}^{4+}$

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• Precise many-body calculations and hyperfine interaction effect on dynamic polarizabilities at the low-lying energy levels of Y${}^{2+}$
• Coupled-cluster theory for trapped bosonic mixtures