Spectral Excitation by Recombination in the Electric Arc

@inproceedings{DeweySpectralEB,
  title={Spectral Excitation by Recombination in the Electric Arc},
  author={Jane M. Dewey}
}
Recent measurements of electron velocities in arcs have made it probable that most of the light in the negative glow is emitted as a result of recombination of positive ions and electrons. Since the velocities of the positive ions are high, spectral lines emitted in this way should show D\"oppler broadening. This broadening was measured photometrically for a hot cathode arc in helium in which measurements of electron velocities were also made and results were obtained which can be explained by… CONTINUE READING

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