Abstract

Absolute transition probabilities for fifteen Sn(I) lines, nine Sn(II) lines and six Cl(I) lines have been measured in the spectral range 5400–6850 Å by using a wall-stabilized arc. The elements were introduced to the arc chamber as gas mixtures containing small amounts of SnCl 4 in argon. Plasma diagnostic was carried out by line-intensity measurements and by numerical solution of the equations for a perfect gas. Measured transition probabilities are compared with theoretical calculations and other experimental values. Discrepancies have been found to be greater than the experimental uncertainties. However, for two Sn(II) lines, agreement is satisfactory.

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