Abstract
Optical transitions between excited vibrational states in the electronic ground and excited state of benzene were measured with ion dip spectroscopy in a supersonic jet. The observed spectra show clear rotational structure, dependent on the wavelength of the excitation laser and could be simulated by computer calculations.
Ion dip spectroscopy is known to be a powerful method for the analysis of highly excited vibrational states in the electronic ground state, which are not accessible to absorption spectroscopy in supersonic jets.
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