An analytical method based on a. sophisticated photomultiplier response fun
ction was used to analyse the photomultiplier spectra taken in single photo
electron mode. The spectra taken by Hamamatsu R5600 and R5900 photomultipli
ers have been analysed, The method appropriately describes the experimental
spectra. (C) 2001 Elsevier Science B.V. All rights reserved.