Experimental study of excitation of the even 4P and 4D levels of the cobalt atom by electron impact
Abstract
Yuriy M. Smirnov
The excitation of even quartet levels 4P and 4D of the cobalt atom was experimentally studied by the method of extended crossing beams with registration of the optical signal of excited atoms. The excitation cross sections of 43 CoI spectral lines resulting as spontaneous transitions from even levels 4P and 4D were measured at the exciting electron energy of 50 eV. In the incident electron energy range 0-200 eV optical excitation functions (OEFs) were recorded for transitions from eight levels. The total excitation cross sections for 12 energy levels of cobalt atom are calculated.
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