It is shown how the results of a recent experiment by Jiang, Zuo, Vuković, and Bederson [Phys. Rev. Lett. 68, 915 (1992)], who investigated low-energy electron scattering from laser-excited polarized sodium atoms in the initial (3p) 2P°3/2 (F=3, MF=3) state, can be related to the inelastic 3S→3P transition involving initially unpolarized electron and atom beams. Hence, this method can provide an independent check of the traditional electron-scattering experiment with unpolarized beams.
K. Bartschat and D. H. Madison, "Connection between Superelastic and Inelastic Electron-Atom Collisions Involving Polarized Collision Partners," Physical Review A - Atomic, Molecular, and Optical Physics, vol. 48, no. 1, pp. 836-837, American Physical Society (APS), Jul 1993.
The definitive version is available at http://dx.doi.org/10.1103/PhysRevA.48.836
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