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<p>This work reports photoionization data of Ne<sup>3</sup>⁺, Ar<sup>5+</sup>, Ti<sup>2+</sup> and Ti<sup>3+</sup> ions. Relevant Ne<sup>3</sup>⁺- 2s<sup>2</sup>2p<sup>2</sup> (<sup>1</sup>D, <sup>1</sup>S)<i>n</i>d and 2s2p<sup>3</sup> (<sup>5</sup>S<sup>o</sup>)<i>n</i>p (<sup>4</sup>P), Ar<sup>5</sup>⁺- 3s3p (<sup>3</sup>P, <sup>1</sup>P)<i>n</i>p (<sup>2</sup>D<sub>5/2</sub>) and 3s3p (<sup>1</sup>P)<i>n</i>p (<sup>2</sup>D<sub>3/2</sub>), Ti<sup>2</sup>-3s3p<sup>6</sup>3d<sup>2</sup> (<sup>4</sup>F)<i>n</i>p, 3s3p<sup>6</sup>3d<sup>2</sup> (<sup>4</sup>P)<i>n</i>p and 3s3p<sup>6</sup>3d<sup>2</sup> (<sup>2</sup>D)<i>n</i>p, and Ti<sup>3</sup>⁺-3s3p<sup>6</sup>3d (<sup>3</sup>D)<i>n</i>p and 3s3p<sup>6</sup>3d (<sup>1</sup>D)<i>n</i>p Rydberg series are considered. Calculations are performed in the framework of the Modified atomic orbital theory (MAOT). The present resonance energies agree excellently with available experimental and theoretical literature data with a maximum energy deviation at 0.009&#xa0;eV up to <i>n</i> = 17. The new tabulated data for highly <i>n</i> = 18–40 excited states of Ne<sup>3</sup>⁺, Ar<sup>5+</sup>, Ti<sup>2+</sup> and Ti<sup>3+</sup> ions may be benchmarked data for modeling astrophysical and laboratory plasmas.</p>

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Photoionization study of Ne3+, Ar5+, Ti2+ and Ti3+ ions in the framework of the modified atomic orbital theory

  • 期刊论文

  • 发表日期：

    2026年4月7日

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  • M. T. Gning,
  • I. Sakho,
  • G. A. Alna’washi,
  • O. Abu-Haija

摘要

This work reports photoionization data of Ne3⁺, Ar5+, Ti2+ and Ti3+ ions. Relevant Ne3⁺- 2s22p2 (1D, 1S)nd and 2s2p3 (5So)np (4P), Ar5⁺- 3s3p (3P, 1P)np (2D5/2) and 3s3p (1P)np (2D3/2), Ti2-3s3p63d2 (4F)np, 3s3p63d2 (4P)np and 3s3p63d2 (2D)np, and Ti3⁺-3s3p63d (3D)np and 3s3p63d (1D)np Rydberg series are considered. Calculations are performed in the framework of the Modified atomic orbital theory (MAOT). The present resonance energies agree excellently with available experimental and theoretical literature data with a maximum energy deviation at 0.009 eV up to n = 17. The new tabulated data for highly n = 18–40 excited states of Ne3⁺, Ar5+, Ti2+ and Ti3+ ions may be benchmarked data for modeling astrophysical and laboratory plasmas.