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Collision Broadening and Shift of the 535.0 nm Tl Line Accompanying the Photodissociation of Thallium Iodide Perturbed by Noble Gases Part I : Effects due to Rr and Xe.

E. Lisicki, A. Bielski and J. Szudy
Institute of Physics , Nicholas Copernicus University,
Torun , Poland
Z. Naturforsch. 85a, 1249-1255 (1980);

[received July 16 1980]

The shape and shift of the 535.0 nm thallium line resulting from the photodissociation of thallium iodide perturbed by krypton and xenon were investigated at low densities. The Doppler and collision broadening components of the line shape have been determined. The linear dependence of both the Lorentzian half-width and the shift on the perturbing gas density was found and interpreted in terms of Van der Waals and Lennard-Jones potentials.

1. Introduction