The lifetime of the 63P1 state of Hg was observed as a function of Tl density at two different Hg pressures. From these data it appears that at high Tl densities the lifetime of the 63P1 state of Hg is controlled by collisions with Tl atoms. Using this assumption and simple gas kinetic theory, a cross section for these collisions was calculated.
E. E. Stepp and R. A. Anderson, "A Ti-Hg collision cross section," Physics Letters, vol. 11, no. 2, pp. 127 - 128, North-Holland Publishing Company, Jul 1964.
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15 Jul 1964