Pressure Broadening of OCS in Foreign Gas Mixtures

Line widths of the $J=1-2\mathrm{}$ OCS line in mixtures with foreign perturbing gases have been measured. The perturbers were ${\mathrm{N}}_2$O, He, and ${\mathrm{O}}_2$ in three different percentages of mix, about 20 percent, 50 percent, and 75 percent of perturber. Systematic variation of collision diameters with mix ratio, previously reported, was not observed.