The excitation spectra of photo- and thermo-luminescence were compared
in the VUV-UV spectral region in CaWO4 and PbWO4 scheelite tungstates
. Temperature dependences of emission intensities and decay times were
measured for PbWO4 in the 80-300 K range and approximated by a simple
phenomenological model. The energy level structure of the emission ce
ntre excited state and related kinetic processes are discussed for bot
h tungstates.