Abstract
The convergence of the close-coupling formalism is studied by expanding the target states in an orthogonal ${\mathit{L}}^{2}$ Laguerre basis. The theory is without approximation, and convergence is established by simply increasing the basis size. We present convergent elastic, 2s, and 2p differential cross sections, spin asymmetries, and angular-correlation parameters for the 2p excitation at 35, 54.4, and 100 eV. Integrated and total cross sections as well as T-matrix elements for the first five partial waves are also given.
Highlights
The electron-hydrogen scattering problem is an ideal testing ground for any scattering theory as this is the only electron-atom scattering problem where the target wave functions are known exactly
Physical Sciences, The convergence of the close-coupling formalism is studied by expanding the target states in an orthogonal L Laguerre basis
2s, and 2p differential cross sections, spin asymmetries, and angular-correlation parameters for the 2p excitation at 35, 54.4, and 100 eV
Summary
Electronic Structure of Materials Centre, School of Physical Sciences, The Flinders University of South Australia, G.P.O. Box 8200, Adelaide 5002, AustraLia. and Physical Sciences, The convergence of the close-coupling formalism is studied by expanding the target states in an orthogonal L Laguerre basis. The theory is without approximation, and convergence is established by increasing the basis size. 2s, and 2p differential cross sections, spin asymmetries, and angular-correlation parameters for the 2p excitation at 35, 54.4, and 100 eV. Integrated and total cross sections as well as T-matrix elements for the first five partial waves are given
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