A magnetic resonance spectrometer for studying the recombination decay of atomic hydrogen concentrations using a sampling technique

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Abstract
A magnetic resonance spectrometer operated in a pulse sampling mode has been developed for studying the decay of the atomic hydrogen concentrations in bottles of high purity hydrogen during the intervals between repetitively pulsed rf discharges. The atomic concentrations are obtained by analysing the electron spin-exchange collisional broadening of the absorption resonance signals corresponding to the atomic hydrogen hyperfine transition. The instrument has been used to study atomic hydrogen recombination at glass and quartz surfaces, and has potentialities for use in studies of three body gas phase recombination.