| ATOMIC AND MOLECULAR PHYSICS |
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Relativistic Distorted-Wave Collision Strengths of Ni-, Cu- and Zn-like Au Ions |
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YANG Ning-Xuan1, DONG Chen-Zhong1,2, JIANG Jun1 |
| 1College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 7300702Joint Laboratory of Atomic and Molecular Physics, NWNU\&IMP CAS, Lanzhou 730070 |
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| Cite this article: |
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YANG Ning-Xuan, DONG Chen-Zhong, JIANG Jun 2009 Chin. Phys. Lett. 26 053401 |
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Abstract Excitation energies and electron impact excitation strengths from the ground states of Ni-, Cu- and Zn-like Au ions are calculated. The collision strengths are computed by a 213-levels expansion for the Ni-like Au ion, 405-levels expansion for the Cu-like Au ion and 229-levels expansion for the Zn-like Au ion. Configuration interactions are taken into account for all levels included. The target state wavefunctions are calculated by using the Grasp92 code. The continuum orbits are computed in the distorted-wave approximation, in which the direct and exchange potentials among all the electrons are included. Excellent agreement is found when the results are compared with previous calculations and recent measurements.
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| Keywords:
34.80.Kw
34.80.Dp
31.25.Jf
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Received: 14 November 2008
Published: 23 April 2009
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