Electron-impact excitation of electric octupole transitions in positive ions: Asymptotic behavior of the sum over partial-collision strengths

1992 ◽  
Vol 45 (3) ◽  
pp. 1690-1700 ◽  
Author(s):  
M. C. Chidichimo
Keyword(s):  
Asymptotic Behavior ◽  
Electron Impact ◽  
Impact Excitation ◽  
Electron Impact Excitation ◽  
Positive Ions

Electron impact excitation of positive ions

1970 ◽  
Vol 266 (1175) ◽  
pp. 225-279 ◽  
Keyword(s):  
Electron Impact ◽  
Cross Sections ◽  
Nuclear Charge ◽  
Impact Excitation ◽  
Electron Impact Excitation ◽  
Positive Ions ◽  
Relativistic Coulomb ◽  
Hydrogenic Ions

Non-relativistic Coulomb-Born-Oppenheimer reactance matrices and cross-sections are given for all transitions between the Is, 2s and 2p states in He+ and in hydrogen-like ions of large nuclear charge. From these results some cross-sections for intercombination transitions in highly charged non-hydrogenic ions are estimated.

Breakdown of the isolated-resonance approximation for the electron-impact excitation of positive ions

1993 ◽  
Vol 48 (4) ◽  
pp. R2519-R2522 ◽  
Author(s):  
N. R. Badnell ◽  
D. C. Griffin ◽  
T. W. Gorczyca ◽  
M. S. Pindzola
Keyword(s):  
Electron Impact ◽  
Impact Excitation ◽  
Electron Impact Excitation ◽  
Positive Ions
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