REMPI spectroscopy of CF3I in the bulk and in a molecular beam

VUV photoabsorption in CF3X (X=Cl, Br, I) fluoro-alkanes

“…On the basis of the measured background noise in the our spectrum, we conclude that the photoabsorption cross-section of the feature must be lower than 0.1 Mb. Significantly, no evidence for the transition is observed in the low incident energy, high scattering angle EEL spectra of Mason et al [13] nor has this band been observed in REMPI experiments [59]. We therefore suspect that the optically forbidden valence excitation may occur at a higher energy than that calculated by Taatjes et al [51] and therefore be hidden within the B band (see Fig.…”

Femtosecond pump–probe mass spectra on the dissociative photoionization of CF3I

“…The lifetime of e C C state is estimated to be about 50 ps by linewidth analysis [16,17]. When the two-photon energy is varied between 62 500 and 62 918 cm À1 , ionization through the e D D state provides very weak signals [19]. For higher energy, using (2 þ 1) REMPI, Waits et al [20] observed a Rydberg state at around 66 000 cm À1 which was ascribed to a 6p Rydberg state.…”