Differential cross sections for elastic and inelastic n= 2 excitation of ground-state helium at 29.6 and 40.1 eV
MJ Brunger, IE McCarthy, K Ratnavelu… - Journal of Physics B …, 1990 - iopscience.iop.org
MJ Brunger, IE McCarthy, K Ratnavelu, PJO Teubner, AM Weigold, Y Zhou, LJ Allen
Journal of Physics B: Atomic, Molecular and Optical Physics, 1990•iopscience.iop.orgDifferential cross sections have been measured for elastic and inelastic (2 3 S, 2 1 S, 2 3 P
and 2 1 P) scattering of electrons by ground-state helium at 29.6 and 40.1 eV. The
normalisation of the cross sections is discussed. Theoretical cross sections have been
obtained using a ten-state coupled-channels-optical calculation. In general, there is good
agreement between theory and experiment for singlet states but not for triplet.
and 2 1 P) scattering of electrons by ground-state helium at 29.6 and 40.1 eV. The
normalisation of the cross sections is discussed. Theoretical cross sections have been
obtained using a ten-state coupled-channels-optical calculation. In general, there is good
agreement between theory and experiment for singlet states but not for triplet.
Abstract
Differential cross sections have been measured for elastic and inelastic (2 3 S, 2 1 S, 2 3 P and 2 1 P) scattering of electrons by ground-state helium at 29.6 and 40.1 eV. The normalisation of the cross sections is discussed. Theoretical cross sections have been obtained using a ten-state coupled-channels-optical calculation. In general, there is good agreement between theory and experiment for singlet states but not for triplet.
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