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THE EXCITATION-AUTOIONIZATION OF Na-LIKE Cu ION

HU WEI WANG YAN-SEN FANG DU-FEI TENG HUA-GUO XU ZHI-ZHAN

THE EXCITATION-AUTOIONIZATION OF Na-LIKE Cu ION

HU WEI, WANG YAN-SEN, FANG DU-FEI, TENG HUA-GUO, XU ZHI-ZHAN
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Publishing process
  • Received Date:  11 May 1995
  • Accepted Date:  11 August 1995
  • Published Online:  20 November 1996

THE EXCITATION-AUTOIONIZATION OF Na-LIKE Cu ION

  • 1. (1)复旦大学物理二系; (2)中国科学院上海光学精密机械研究所

Abstract: The excitation autoionization of Na-like Cu ion origination from inner-shell excitations of 1s22s22p63s→1s22s22p53s3l(l=0,1,2) was investigated in some detail. The inner-shell excitation cross sections were calculated in the distorted Columob-Born exchange approximation and the target ionic states were obtained in a single configuraton approximation. The autoionizing branch ratios were calculated by using both single configuration and configuration interaction wavefunctions. The results showed that, at an incident electron energy of 1090 eV, the correlation enhancement of excitation autoionization cross sections was mainly due to 1s22s22p53s3d configuration,in which the correlation effects increasd the excitation autoionization cross sections nearly to a factor of 2. The excitation autoionization cross sections for 1s22s22p53s2 were reduced about 36% when compared with the results of single configuration approximation. Howecer, The configuration interaction had only a slight effect on the autoionization cross sections for excitation to 1s22s22p53s3p configuration.

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