Other
Scientific paper
Jul 1960
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1960phrv..119..693a&link_type=abstract
Physical Review, vol. 119, Issue 2, pp. 693-700
Other
5
Scientific paper
An investigation of the sensitized fluorescence of a mercury thallium mixture without and with the addition of argon and helium gases is discussed. Data taken without the addition of foreign gases are used to extend the theory of Frish and Karaulinya to a mercury thallium mixture. Relative collision cross sections for the excitation of the thallium energy states, 9 2S12, 7 2D52,32, 8 2S12, 6 2D52, and 6 2D32 were calculated for mercury thallium collisions. Data taken with the addition of argon and helium gases are given to indicate the variation of the intensity of the thallium lines as a function of argon and helium gas pressures at one constant thallium and three mercury temperatures. The explanation of the results depends on the role of mercury 6 3P1 excited atoms, metastable atoms, and mercury molecules in collision with thallium atoms for energy exchange, and also requires the use of Winans' partial selection rule and other generally accepted ideas concerning energy transfer, emission, and absorption.
Anderson Richard A.
McFarland Robert H.
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