| ATOMIC AND MOLECULAR PHYSICS |
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Energy-Crossing and Its Effect on Lifetime of the 4s24p 2P3/2 Level for Highly Charged Ga-Like Ions |
| FAN Jian-Zhong1,2, ZHANG Deng-Hong1, CHANG Zhi-Wei1, SHI Ying-Long1, DONG Chen-Zhong1** |
1Key Laboratory of Atomic and Molecular Physics and Functional Material of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070
2Fundamental Department, Taiyuan Normal University, Taiyuan 030012 |
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| Cite this article: |
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FAN Jian-Zhong, ZHANG Deng-Hong, CHANG Zhi-Wei et al 2012 Chin. Phys. Lett. 29 073102 |
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Abstract The multi-configuration Dirac–Fock method is employed to calculate the energy levels and transition probabilities for the electric dipole allowed (E1) and forbidden (M1, E2) lines for the 4s24p, 4s4p2 and 4s24d configurations of highly charged Ga-like ions from Z=68–95. The lifetimes of the 4s24p 2P3/2 level of the ground configuration are also derived. Based on our calculations, it is found that the energy level of the 4s24p 2P3/2 is higher than that of the 4s4p24P1/2 for the high-Z Ga-like ions with Z≥74, so as to generate an energy crossing at Z=74. The effect of the energy crossing is important to the calculation of the 4s24p 2P3/2 level lifetime for Ga-like ions with Z≥74.
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Received: 05 April 2012
Published: 29 July 2012
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| PACS: |
31.15.ag
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(Excitation energies and lifetimes; oscillator strengths)
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32.70.Cs
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(Oscillator strengths, lifetimes, transition moments)
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