The work of Gau and Macek on large-angle inelastic electron-hydrogen scattering in the unrestricted Glauber approximation is extended to electron-helium scattering. "Unrestricted" in this context means that we do not make the additional approximation of purely transverse linear-momentum transfer. Once again, we find at large angles for 1¹S₀→2¹P₁ collision-induced transitions the electron-nucleus interaction dominates and has a q^-4 behavior in the differential cross section. Further, we calculate the orientation parameter O_1-ᶜᵒˡ.
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Kelsey et al. (1975) studied this question.
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