Spectroscopic study of a Wood's tube discharge in hydrogen

Details Spectroscopic study of a Wood's tube discharge in hydrogen Spectroscopic study of a Wood's tube discharge in hydrogen

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990jqsrt..44..433h&link_type=abstract

Journal of Quantitative Spectroscopy and Radiative Transfer (ISSN 0022-4073), vol. 44, Oct. 1990, p. 433-442. Research supported

Physics

3

Atomic Spectra, Balmer Series, Gas Discharge Tubes, Hydrogen, Molecular Spectra, Electron Density (Concentration), Free Electrons, Gas Pressure, Plasma Frequencies, Plasmas (Physics)

Scientific paper

The atomic and molecular spectra generated by a Wood's tube discharge in hydrogen, operating at 2 kV, 20 mA and a nominal gas pressure of 0.2-0.6 torr, are described and discussed. Molecular impurity spectra include the second positive system of N2 and the violet system of CN, which is a prominent feature of cometary spectra. A coronal-type model is outlined for explaining the observed intensities in the hydrogen Balmer series and in the triplet and quintet systems of O I.

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