Kinetics of excited B3Π(0+) states of BrF, ICland IF. Fluorescence decay lifetimes and quenching cross-sections

Abstract

The fluorescence excited by 8 ns pulses from a tunable dye laser has been used to determine collisional and non-collisional lifetimes of selected vibrational-rotational levels of the B³Π(0⁺) states of BrF and ICl. Less extensive data on IF are also reported. The results for the non-collisional lifetimes τ₀ and the quenching rate constants k_M are summarized as follows. [graphic omitted].