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JOURNALS // Optics and Spectroscopy // Archive

Optics and Spectroscopy, 2020 Volume 128, Issue 8, Pages 1074–1076 (Mi os323)

This article is cited in 5 papers

Spectroscopy and physics of atoms and molecules

Radiative constants in the W VII ion spectrum

A. V. Loginov, V. I. Nikitchenko

Emperor Alexander I St. Petersburg State Transport University

Abstract: The probabilities of the $4f^{13}5p^{6}6p + 4f^{14} 5p^{5}6p$$4f^{13}6s$, $4f^{13}7s$ radiative transitions and the lifetimes of the $4f^{13}7s$ levels in the spectrum of the erbium-like W VII ion are calculated in the electric dipole approximation by the semiempirical intermediate coupling method using experimental energy levels known from the literature. The radial integrals necessary for calculating the absolute transition probabilities are obtained in the form of length with the Hartree–Fock functions.

Keywords: radiative transition probabilities, level lifetimes, semiempirical method, erbium isoelectronic sequence.

Received: 23.03.2020
Revised: 23.03.2020
Accepted: 15.04.2020

DOI: 10.21883/OS.2020.08.49700.113-20


 English version:
Optics and Spectroscopy, 2020, 128:8, 1078–1081

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© Steklov Math. Inst. of RAS, 2024