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Energy levels of the singly ionized titanium: Ti II ion

Abstract : In this work, energy levels, oscillator strengths, and transition probabilities for the Ti II ion are calculated by the Hartree-Fock pseudo-Relativistic method using the Cowan (CW) atomic structure code and by the Thomas-Fermi-Dirac-Amaldi method using the AUTOSTRUCTURE (AS) atomic structure code. We used the terms and levels generated by the 12 configurations: 3d2 ns (n = 4-6), 3d2 np (n = 4,5), 3d2 nd (n = 4,5), 3d2 4f, 3d 4s np (n = 4,5), 3d 4s2, 3d3. We improved our ab initio calculated data by using the semi-empirical methods in the CW and AS atomic structure codes. We also compared them with other theoretical and experimental results and obtained new data for this ion.
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https://hal-insu.archives-ouvertes.fr/insu-03717141
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Submitted on : Friday, July 8, 2022 - 8:54:49 AM
Last modification on : Wednesday, October 5, 2022 - 11:12:07 AM

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Fatemah H. Alkallas, Lamia Abu El Maati, Nabil Ben Nessib, Milan S. Dimitrijević. Energy levels of the singly ionized titanium: Ti II ion. Astronomical Notes / Astronomische Nachrichten, 2022, 343, ⟨10.1002/asna.20210059⟩. ⟨insu-03717141⟩

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