Hydrogen line broadening in afterglow observed by means of EPR

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Authors	DOLEŽAL Vojtěch MRÁZKOVÁ Martina DVOŘÁK Pavel KUDRLE Vít TÁLSKÝ Antonín
Year of publication	2005
Type	Article in Proceedings
Conference	15th Symposium of Applications of Plasma Processes - Book of Contributed Papers
MU Faculty or unit	Faculty of Science
Citation
Field	Plasma physics
Keywords	hydrogen; afterglow; EPR
Description	We study hydrogen line broadening in the EPR spectrum in the afterglow of microwave discharge in hydrogen with small amount of oxygen admixture.A strong increase of the hydrogen EPR line width and concentration of H atom with increasing amount of oxygen in the discharge was observed. The possible explanation of both phenomena is the transfer of energy from metastables to dissociation of hydrogen molecules, which results in suprathermal H atoms.
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