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The ejected-electron spectrum of lithium vapour has been observed at 75 degrees with respect to an incident electron beam of 80 eV, 200 eV and 500 eV kinetic energy. A total of 39 autoionising levels of Li I are observed in the energy range 56 eV to 65 eV. Comparison is made with experimental and theoretical data.
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Rassi et al. (1977) studied this question.
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