Collisional radiative destruction of some atomic excited states in an argon glow discharge

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Abstract

Destruction mechanisms of 3p2, 3p6, 2p2 and 2p3 (Paschen notation) Ar I excited states are investigated in an argon glow discharge by means of a laser perturbation method. Total radiative transition probabilities (in good agreement with accepted values) and thermally averaged cross sections for de-excitation by collisions with ground-state atoms are deduced from measured quenching rates for different discharge conditions.