Observation of radiative transitions between lithium-atom autoionization states excited by an electron beam
Aleksakhin I. S. , Bogachev G. G. , Zapesochnyi I. P. , Ugrin S. Yu.
Experiments with intersecting beams of slow electrons and lithium atoms reveal the excitation of several spectral lines (193.1, 198.5, 204.0, 217.3, 233.7, and 293.4 nm) which correspond to transitions between auto-ionization states of the lithium atom.