The Recombination Rate Coefficient of Molecular Helium Ions in a Pulsed Afterglow at 1.86 Torr Page: II
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Hicks, Helen Segrave, The Recombination Rate
Coefficient of Molecular Helium Ions in ja Pulsed After-
glow at 1.86 Torr. Doctor of Philosophy (Chemistry),
August, 1972, 201 pp., 7 tables, 31 illustrations,
bibliography, 46 titles.
The recombination rate coefficient for molecular
helium ions has been measured in a pulsed afterglow at
1.86 Torr as a function of electron temperature and
electron density without making a^ priori assumptions about
the functional dependence. The concentrations of the
molecular ions and electrons were measured and the source
terms for the molecular ions were included in the rate
Ion concentrations were deduced from intensity
measurements of transitions from levels in Saha
equilibrium. Tandem Czerny-Turner .75 m monochromators
were used to measure the intensities. The electron
temperatures were likewise deduced from spectroscopic
measurements. The electron densities were measured as a
function of time using a confocal Fabry-Perot microwave
interferometer. Unlike previous work, the interferometer
was used to measure the small perturbation due to the
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Hicks, Helen Segrave. The Recombination Rate Coefficient of Molecular Helium Ions in a Pulsed Afterglow at 1.86 Torr, dissertation, August 1972; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc164573/m1/2/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .