Abstract
Mass spectra were recorded for (2 + n) REMPI of CF 3Br as a function of resonance excitation energy in the 71 320–84 600 cm −1 region to obtain two-dimensional REMPI data. CF 3 + , i Br + ( i = 79,81) and C + ions were detected. Laser power dependence experiments were performed for ion signals. CF 3 + signals due to resonance transitions from the ground state CF 3Br to number of Rydberg states and various vibrational states followed by CF 3 + and Br − ion-pair formation via intersystem crossings, were identified. Bromine atom production by predissociation channels via two-photon excitation to the Rydberg states is proposed, based on detecting bromine atom (2 + 1) REMPI.
Published Version
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