Abstract

By using high-resolution electron beam techniques, we demonstrate that production of XeF(B) by electron impact dissociative excitation of XeF2 occurs via the XeF2 1Σ+u excited state. Furthermore, measurements of the fluorescence yield from the transitions XeF(B,v′, N′→X, v″, N″) in the range 325–360 nm, combined with published Franck–Condon factors for these transitions, show that dissociative excitation of XeF2 produces XeF(B) that is vibrationally hot but rotationally cool. Relative vibrational populations of XeF(B, v′, N′) are derived.

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