Excitation and Dissociation Mechanisms in Molecules with Application to Mercuric Halide Laser System

摘要

Although the mercuric halide laser systems have received intensive study in recent years, being one of only two efficient electronic-transition lasers known, the precise collisional mechanisms leding to HgBr(B), formation and subsequent fluorescence are still imperfectly understood. The initial suggestion that direct collisional excitation of, say, HgBr sub 2 , by electrons (analogous to photoionization), i.e., HgBr sub 2 + e implies HgBr(b) + Br + e, was the dominant mechanism, was temporarily abandoned when a measurement by Allison and Zare yielded a cross section of only