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Chin. Phys. B, 2014, Vol. 23(11): 113401    DOI: 10.1088/1674-1056/23/11/113401
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

Electron impact excitation of Ni-like gold studied by Dirac R-matrix method

Fan Quan-Ping (范全平)a b, Wang Wen-Hui (汪文慧)b, Hu Feng (胡峰)c, Cao Lei-Feng (曹磊峰)b, Zhang Qiang-Qiang (张强强)b, Liu Yu-Wei (刘钰薇)b, Jiang Gang (蒋刚)a
a Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China;
b Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China;
c School of Mathematic and Physical Science, Xuzhou Institute of Technology, Xuzhou 221400, China
Abstract  

We calculate the electron impact excitation of Ni-like gold by using the Dirac R-matrix theory, and the corresponding collision strengths and effective collision strengths are obtained. In the calculations of the level energy, (1s22s22p6)3s23p63d10, 3s23p63d94l, 3s23p53d104l, and 3s3p63d104l (l=0,1,2,3) configurations are included and 107 fine-structure levels are generated. In the calculations of the collision strengths, only the first 59 levels are included. Comparisons are made with the distorted wave (DW) results of Zeng et al. for both collision strengths and effective collision strengths. For the collision strengths, the two sets of calculations are in excellent agreement for most of the transitions. However, because of the inclusion of the resonances, our effective collision strengths are generally several times larger than those of Zeng et al.. The accuracy of our calculations is assessed.

Keywords:  electron impact excitation      R-matrix method      Ni-like gold  
Received:  17 March 2014      Revised:  05 May 2014      Accepted manuscript online: 
PACS:  34.50.-s (Scattering of atoms and molecules)  
  34.50.Fa (Electronic excitation and ionization of atoms (including beam-foil excitation and ionization))  
  34.80.Dp (Atomic excitation and ionization)  
Fund: 

Project supported by the National Natural Science Foundation of China (Grant Nos. 11174213 and 11304266).

Corresponding Authors:  Jiang Gang     E-mail:  gjiang@scu.edu.cn

Cite this article: 

Fan Quan-Ping (范全平), Wang Wen-Hui (汪文慧), Hu Feng (胡峰), Cao Lei-Feng (曹磊峰), Zhang Qiang-Qiang (张强强), Liu Yu-Wei (刘钰薇), Jiang Gang (蒋刚) Electron impact excitation of Ni-like gold studied by Dirac R-matrix method 2014 Chin. Phys. B 23 113401

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