The prototype detector is equipped with a scintillator telescope consisting of two 0.1 paddles located vertically above and below the center of the detector. Data curve has points, other curve is simulation. The shape of the charge distribution recorded for a batch of muon events is sensitive not only to the absolute number of pes, but also to the single electron charge spectrum of the pmt, and the details of the particle interaction physics. The simulation gives 30 collected photoelectrons per pmt with the material parameters as noted.
Points are data, curve is simulation.
Note that the simulation reproduces the rich time structure apparent in the data. The first eight real and simulated events are shown.