Electron Recombination in Laser-Produced Hydrogen Plasma

Abstract
Time-resolved spectroscopic measurements were made of the decay of a laser-produced discharge in hydrogen over a range of pressures from 1 to 70 atm. Stark widths and line-to-continuum intensity ratios yielded the electron density, and temperature time history, which indicated temperature decay because of radiation, and expansion cooling and electron loss because of collisional-radiative recombination, as verified by solutions obtained from the rate and energy equations.

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