Collisional population of the 23
∏
g
state inK
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Authors: | P Kowalczyk S Milo?evi? G Pichler |
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Institution: | 1. Institute of Physics, University of Zagreb, P.O. Box 304, YU-41001, Zagreb, Yugoslavia
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Abstract: | We have measured the effect of potassium vapour pressure within the heat-pipe oven on the shape of the 23 ∏ g ?13∑ u + fluorescence induced by collision energy transfer from theC 1∏ u state which was optically excited by the 457.9 nm argon-ion laser line. The estimated cross section of that process is 300 Å2. The simulation of the diffuse band shape indicates a non-thermalised vibrational distribution in the 23 ∏ g state. |
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