Distorted-wave Born Approximation for the Ionisation of Hydrogen by Electrons
Keyword(s):
Matrix elements for ionisation play an important part in electron-atom scattering calculations. Two methods for describing ionisation that can be incorporated into a scattering calculation are tested here against coplanar asymmetric experimental differential cross sections at 150 and 250 eV. They are the distorted-wave Born approximation and the coupled pseudostates method. A method that incorporates the exact boundary condition for three charged bodies describes the data significantly better and shows an important direction for improvement of scattering calculations.
2009 ◽
Vol 18
(07)
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pp. 1483-1496
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2008 ◽
Vol 17
(06)
◽
pp. 1141-1156
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2005 ◽
Vol 123
(20)
◽
pp. 204314
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Keyword(s):
Keyword(s):