Mass spectra of (a) 8.8% acetone/He, (b) 8.8% furan/He, and (c) 3.0% thiophene/He mixtures.
A resonant spectrum of acetone in the energy region of using an 8.8% acetone/He mixture.
Mass spectra of (a) 1:1 furan: in He and (b) 1:1 furan: in He mixtures.
Resonant spectra of (a) furan and (b) ammonia in the energy region of using a 1:1 furan: in He mixture.
A plot of thiophene ion intensities vs the pressure of Xe in the gas cell.
A plot of the logarithm of the thiophene ion intensity as a function of the logarithm of the incident UV power. A linear fit to the data is shown in the diagonal red line.
Selected part of the Xe atomic energy level diagram (not to scale) showing the states discussed in this paper.
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