Distorted-Wave Approximation and Its Application to the Differential and Integrated Cross Sections for Electron-Impact Excitation of the2P1State of Helium

1973 ◽  
Vol 7 (2) ◽  
pp. 499-513 ◽  
Author(s):  
D. H. Madison ◽  
W. N. Shelton
Keyword(s):  
Electron Impact ◽  
Cross Sections ◽  
Impact Excitation ◽  
Electron Impact Excitation ◽  
Distorted Wave ◽  
Wave Approximation

Excitation of the 3D states of helium by electrons and positrons

1996 ◽  
Vol 74 (7-8) ◽  
pp. 509-517 ◽  
Author(s):  
Surbhi Verma ◽  
Rajesh Srivastava
Keyword(s):  
Electron Impact ◽  
Cross Sections ◽  
Ground State ◽  
Stokes Parameters ◽  
Impact Excitation ◽  
Electron Impact Excitation ◽  
Distorted Wave ◽  
Positron Impact ◽  
Wave Approximation ◽  
Electrons And Positrons

Distorted-wave approximation calculations were carried out for the electron-impact excitation of 31,3D states from the 11S ground state of helium. Results are presented at an electron energy of 40 eV for the Stokes parameters P1-P4; coherence parameters Pl, γ, [Formula: see text], ρ00; and differential cross sections where most other theoretical and experimental data are available for comparison. The calculation is further extended to the positron-impact 11S–31D excitation in helium and comparison with the corresponding electron-impact results is discussed.

Electron-impact excitation of Li II in the distorted-wave approximation

1980 ◽  
Vol 22 (1) ◽  
pp. 132-137 ◽  
Author(s):  
Michael S. Pindzola ◽  
A. K. Bhatia ◽  
A. Temkin
Keyword(s):  
Electron Impact ◽  
Impact Excitation ◽  
Electron Impact Excitation ◽  
Distorted Wave ◽  
Wave Approximation

Relativistic Distorted-Wave Calculations of Electron Impact Excitation Cross Sections of Be-Like C 2+ Ions

2007 ◽  
Vol 24 (3) ◽  
pp. 691-694 ◽  
Author(s):  
Jiang Jun ◽  
Dong Chen-Zhong ◽  
Xie Lu-You ◽  
Wang Jian-Guo ◽  
Yan Jun ◽  
...  
Keyword(s):  
Electron Impact ◽  
Cross Sections ◽  
Impact Excitation ◽  
Electron Impact Excitation ◽  
Distorted Wave ◽  
Excitation Cross Sections
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