Open AccessTHE EXCITATION-AUTOIONIZATION OF Na-LIKE Cu ION
Author(s) -
Hao Teng,
Zhizhan Xu,
Hu Wei,
Yansen Wang,
Dufei Fang
Publication year - 1996
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.45.1788
Subject(s) - autoionization , excitation , atomic physics , ion , physics , wave function , configuration interaction , excited state , ionization , photoionization , quantum mechanics
The excitation autoionization of Na-like Cu ion origination from inner-shell excitations of 1s22s22p3s→1s22s25 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.