| Extensive and previously unknown fluorescence and excitation spectra of the HgZn excimer have been observed and correlated with a potential energy (PE) diagram drawn and labelled according to Hund's case (c). The spectra were excited in a Hg-Zn mixture contained in a quartz vapour cell by successive pulses from two dye lasers using the pump-and-probe method, and were recorded using techniques of time-resolved fluorescence spectroscopy. The reservoir states, which became populated by the pump pulse, were found to be the A1, AO;Analysis of the experimental data yielded vibrational constants, relative energies and relative internuclear separations of the PE minima for the various states. There is good agreement between the measured transition energies and the values estimated from the PE diagram. |
